DR. MARCUS A CROSBY M.D.
NPI 1689803579
Radiology - Radiation Oncology in La Crosse, WI

NPI Status: Active since July 13, 2009

Contact Information

1836 SOUTH AVE
LA CROSSE, WI
ZIP 54601
Phone: (608) 782-7300

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  • Individual
  • Male
  • Years of Experience 17
  • Radiology
  • Radiation Oncology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARCUS CROSBY

This page provides the complete NPI Profile along with additional information for Marcus Crosby, a provider established in La Crosse, Wisconsin with a medical specialization in Radiology, focusing in radiation oncology and more than 17 years of experience. He graduated from Medical College Of Wisconsin in 2009. The healthcare provider is registered in the NPI registry with number 1689803579 assigned on July 2009. The practitioner's primary taxonomy code is 2085R0001X with license number 55365 (WI). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1689803579
Provider Name
DR. MARCUS A CROSBY M.D.
Gender
Male
Entity Type
Individual
Location Address
1836 SOUTH AVE LA CROSSE, WI 54601
Location Phone
(608) 782-7300
Mailing Address
1836 SOUTH AVE LA CROSSE, WI 54601
Mailing Phone
(608) 782-7300
Medical School Name
MEDICAL COLLEGE OF WISCONSIN
Graduation Year
2009
Is Sole Proprietor?
No
Enumeration Date
07-13-2009
Last Update Date
08-02-2018
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Radiology Radiation Oncology

Taxonomy Code
2085R0001X
Type
Allopathic & Osteopathic Physicians
License No.
55365
License State
WI
Taxonomy Description
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

55365 (WI)
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) - POS
  • Anthem Bronze Preferred/Broad HSA (+ Incentives) - POS
  • Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Bronze Priority/Lean 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) - HMO
  • Anthem Bronze Priority/Lean HSA (+ Incentives) - HMO
  • Anthem Bronze Priority/Lean Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - POS
  • Anthem Gold Priority/Lean 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • Anthem Gold Priority/Lean Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - HMO
  • HMO Bronze $0 Medical Deductible - HMO
  • HMO Bronze 7500 - HMO
  • HMO Catstrophic 9200 with 3 Free PCP Visits - HMO
  • HMO Gold 1500 - HMO
  • HMO Gold 2400 - HMO
  • HMO HDHP Bronze 7200 - HMO
  • HMO HDHP Silver 5400 - HMO
  • HMO Silver 5000 - HMO
  • HMO Silver 6600 - HMO
  • POS Bronze 7500 - POS
  • Bronze First - HMO
  • Bronze First Adult Vision & Fitness - HMO
  • Diabetes Gold - HMO
  • Diabetes Gold Adult Vision & Fitness - HMO
  • Diabetes Silver - HMO
  • Diabetes Silver Adult Vision & Fitness - HMO
  • Gold - HMO
  • Gold Adult Vision & Fitness - HMO
  • HDHP Preventive Silver - HMO
  • Healthy Heart Gold - HMO
  • Robin Oak $1,000 Gold - PPO
  • Robin Oak $1,500 Standard Gold - PPO
  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze HSA - EPO
  • Medica Individual Choice Bronze Share - EPO
  • Medica Individual Choice Bronze Share - HMO
  • Medica Individual Choice Expanded Bronze Standard - EPO
  • Medica Individual Choice Expanded Bronze Standard - HMO
  • Medica Individual Choice Gold $0 Copay PCP Visits - EPO
  • Medica Individual Choice Gold $0 Copay PCP Visits - HMO
  • Medica Individual Choice Gold Share - EPO
  • Medica Individual Choice Gold Share - HMO
  • QUARTZ GUNDERSEN PERFORMANCE BRONZE $0 MEDICAL DED - HMO
  • QUARTZ GUNDERSEN PERFORMANCE BRONZE $7250 HSA - HMO
  • QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $0 MEDICAL DED - HMO
  • QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) STANDARD EASY PRICING - HMO
  • QUARTZ GUNDERSEN PERFORMANCE BRONZE STANDARD EASY PRICING - HMO
  • QUARTZ GUNDERSEN PERFORMANCE CATASTROPHIC $9200 DED - HMO
  • QUARTZ GUNDERSEN PERFORMANCE GOLD $2500 DED - HMO
  • QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) $2500 DED - HMO
  • QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) STANDARD EASY PRICING - HMO
  • QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE $500 DED - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Marcus Crosby is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Marcus Crosby is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8729264544

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20110512000198

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

3d radiation therapy planning

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

This service was performed 17 times for 16 patients

Calculation of radiation therapy dose

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

This service was performed 146 times for 32 patients

Complex radiation therapy planning

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

This service was performed 47 times for 41 patients

Ct guidance for insertion of radiation therapy fields

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

This service was performed 270 times for 25 patients

Ct guidance for insertion of radiation therapy fields

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

This service was performed 187 times for 23 patients

Design and construction of complex radiation treatment device

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

This service was performed 132 times for 41 patients

Design and construction of radiation treatment device for high precision radiation therapy

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

This service was performed 26 times for 19 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 59 times for 37 patients

High precision radiation therapy planning

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

This service was performed 23 times for 18 patients

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session

Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulating—or controlling—the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.

This service was performed 174 times for 22 patients

New patient office or other outpatient visit, 60-74 minutes

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 48 times for 48 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

This service was performed 15 times for 13 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

This service was performed 24 times for 22 patients

Radiation treatment management, 5 treatment sessions

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

This service was performed 119 times for 38 patients

Radiation treatment management, 5 treatment sessions

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

This service was performed 21 times for 11 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

This service was performed 309 times for 39 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

This service was performed 58 times for 11 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $40.81 for a new patient copayment and $16.84 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 54601 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $163.24
  • Minimum New Patient Price $53.9
  • Maximum New Patient Price $163.24
  • Average New Patient Copayment $40.81
  • Minimum New Patient Copayment $13.47
  • Maximum New Patient Copayment $40.81

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $67.37
  • Minimum Established Patient Price $17.4
  • Maximum Established Patient Price $133.76
  • Average Established Patient Copayment $16.84
  • Minimum Established Patient Copayment $4.35
  • Maximum Established Patient Copayment $33.44

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Marcus Crosby is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
GUNDERSEN LUTHERAN MEDICAL CENTER1910 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300Acute Care Hospitals
VERNON MEMORIAL HOSPITAL507 SOUTH MAIN ST
VIROQUA, WI 54665
(608) 637-2101Critical Access Hospitals

Reviews for DR. MARCUS A CROSBY M.D.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1689803579
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
261691606514
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 6 + 1 + 6 + 9 + 1 + 6 + 0 + 6 + 5 + 1 + 4 + 24 = 71
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
80 - 71 = 99

The NPI number 1689803579 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 20 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1992708762 MICHAEL H MADER MD
Individual
Obstetrics & Gynecology1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1114920709 RICHARD J MARCHIANDO DO
Individual
Orthopaedic Surgery1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1831192111 JACQUELINE A ADSIT APNP
Individual
Nurse Practitioner1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1730182080 RENUKA R AILIANI MD
Individual
Obstetrics & Gynecology1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1689676900 DAVID G MUSGJERD MD
Individual
Radiology (Diagnostic Radiology)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1780686097 MARY E NELSON MD
Individual
Radiology (Diagnostic Radiology)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1356343636 JUDSON F OMANS MD
Individual
Emergency Medicine (Emergency Medical Services)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1700888922 ARNOLD A ASP MD
Individual
Internal Medicine (Endocrinology, Diabetes & Metabolism)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1235131517 DAVID D NORENBERG MD
Individual
Internal Medicine1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1477555605 NELLEEN G NOACK MD
Individual
Pediatrics (Neurodevelopmental Disabilities)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1922000199 ROBERT R BABLITCH MSW
Individual
Social Worker (Clinical)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1386646446 LEAH A REIMANN MD
Individual
Pediatrics1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1033111091 CAMERON F ROBERTS MD
Individual
Radiology (Diagnostic Radiology)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1093717050 RICHARD H REYNERTSON MD
Individual
Internal Medicine (Endocrinology, Diabetes & Metabolism)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1922002914 MARLENE A BANNEN PHD
Individual
Psychologist (Cognitive & Behavioral)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1932103900 P MICHAEL BANASIK DDS
Individual
Dentist (Oral and Maxillofacial Surgery)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1568466407 SUE A BEIER-HANRATTY MD
Individual
Radiology (Diagnostic Radiology)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1962406710 THOMAS R TERHORST MD
Individual
Radiology (Diagnostic Radiology)1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1497759245 JAMES W TERMAN MD
Individual
Internal Medicine1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300
1124022926 HUMBERT G SULLIVAN MD
Individual
Neurological Surgery1836 SOUTH AVE
LA CROSSE, WI 54601
(608) 782-7300

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689803579, enumerated in the NPI registry as an "individual" on July 13, 2009

The provider is located at 1836 South Ave La Crosse, Wi 54601 and the phone number is (608) 782-7300

The provider's speciality is Radiology with taxonomy code 2085R0001X with a focus in Radiation Oncology

The provider has more than 17 years of experience. He graduated from Medical College Of Wisconsin in 2009.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Aspirus Health. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

Medicare beneficiaries should expect a typical cost of $163.24 with an average copayment of $40.81 for new patient appointments. Established patients should expect a typical charge of $67.37 and an average copayment of 16.84. Please review your insurance plan or contact the provider directly to determine your specific costs.

The most common procedures or services performed by this practitioner are: 3d radiation therapy planning, Calculation of radiation therapy dose, Complex radiation therapy planning, Ct guidance for insertion of radiation therapy fields, Ct guidance for insertion of radiation therapy fields, Design and construction of complex radiation treatment device, Design and construction of radiation treatment device for high precision radiation therapy, Established patient office or other outpatient visit, 30-39 minutes, High precision radiation therapy planning, Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, New patient office or other outpatient visit, 60-74 minutes, Obtaining data needed to develop the optimal radiation treatment, 1 treatment area, Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved, Radiation treatment management, 5 treatment sessions, Radiation treatment management, 5 treatment sessions, Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy and Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy.

The practitioner is affiliated to the following hospital(s): GUNDERSEN LUTHERAN MEDICAL CENTER and VERNON MEMORIAL HOSPITAL. Hospital affiliations are identified through self-reporting data and service claims based on the place of service.

This NPI record was last updated on July 13, 2009. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.