DENNIS STEVEN ORWIG M.D.
NPI 1144267097
Radiology - Diagnostic Radiology in Greenbrae, CA

NPI Status: Active since May 31, 2006

Contact Information

250 BON AIR RD
GREENBRAE, CA
ZIP 94904
Phone: (415) 925-7301

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology
  • PECOS Enrolled
  • Medicare Quality Reporting

About DENNIS ORWIG

This page provides the complete NPI Profile along with additional information for Dennis Orwig, a provider established in Greenbrae, California with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1144267097 assigned on May 2006. The practitioner's primary taxonomy code is 2085R0202X with license number G57636 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1144267097
Provider Name
DENNIS STEVEN ORWIG M.D.
Gender
Male
Entity Type
Individual
Location Address
250 BON AIR RD GREENBRAE, CA 94904
Location Phone
(415) 925-7301
Mailing Address
P.O. BOX 6102 NOVATO, CA 94948
Mailing Phone
(415) 884-6418
Is Sole Proprietor?
No
Enumeration Date
05-31-2006
Last Update Date
11-06-2008
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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 Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
G57636
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
AR682ZMEDICARE PIN (08)CA 
00G576360MEDICAID (05)CA 
AR682SMEDICARE PIN (08)CA 
E24924MEDICARE UPIN (02)CA 
AR682YMEDICARE PIN (08)CA 
AR682VMEDICARE PIN (08)CA 
AR682WMEDICARE PIN (08)CA 
300035763OTHER (01)CARAILROAD MEDICARE
AR682XMEDICARE PIN (08)CA 
AR682TMEDICARE PIN (08)CA 
00G576360MEDICARE PIN (08)CA 
AR682UMEDICARE PIN (08)CA 

Medicare Participation & PECOS Enrollment Status

Dennis Orwig 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

  • 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

Physician Visit Costs

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 94904 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $104.67
  • Minimum New Patient Price $69.07
  • Maximum New Patient Price $202.63
  • Average New Patient Copayment $26.16
  • Minimum New Patient Copayment $17.26
  • Maximum New Patient Copayment $50.65

Established Patients Visit Costs *

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

  • Average Established Patient Price $85
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.64
  • Average Established Patient Copayment $21.25
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.66

* 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.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients

Reviews for DENNIS STEVEN ORWIG 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.
1144267097
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
21844614018
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 1 + 8 + 4 + 4 + 6 + 1 + 4 + 0 + 1 + 8 + 24 = 63
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 63 = 77

The NPI number 1144267097 is valid because the calculated check digit 7 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
1780677963MS. JANET PATRICIA MILLER-MELKA RNFA
Individual
Nurse Practitioner250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7525
1245271634 BRIAN JOHN SALMEN M.D.
Individual
Radiology (Diagnostic Radiology)250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7301
1386686525 CHAD JAMES GOODMAN M.D.
Individual
Radiology (Diagnostic Radiology)250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7301
1427091016 WILLIAM JAMES DEMARTINI M.D.
Individual
Radiology (Diagnostic Radiology)250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7301
1720016637 T LEROY BENSON M.D.
Individual
Anesthesiology250 BON AIR RD
GREENBRAE, CA 94904
(415) 454-2218
1235163569DR. MICHAEL L. NEJAD M.D.
Individual
Internal Medicine250 BON AIR RD 3RD FLOOR
GREENBRAE, CA 94904
(415) 925-7545
1063430106DR. KERRY LYNN DAVIDSON M.D.
Individual
Internal Medicine250 BON AIR RD 3RD FLOOR
GREENBRAE, CA 94904
(415) 925-7545
1164440848 TAMI LEE GASH-KIM M.D
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1033137831 ARTHUR C COHN M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1124047451DR. JANEEN SMITH M.D.
Individual
Internal Medicine250 BON AIR RD 3RD FLOOR
GREENBRAE, CA 94904
(415) 925-7545
1881612455 CARL R SPITZER M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1992725451DR. SHANNON MONG PSY.D.
Individual
Psychologist (Clinical)250 BON AIR RD
GREENBRAE, CA 94904
(415) 499-3240
1912929290 ROBERT M RINER M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1548282825 ALAN J SPAIN M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1063434348 JEFFREY D WEITZMAN
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1598787871 JOHN J ZECHERLE M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1821010257 JEFFREY W DIETZ M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1861414203 DAVID S DUFFY M.D.
Individual
Emergency Medicine250 BON AIR RD
GREENBRAE, CA 94904
(415) 925-7000
1487677928DR. CAROL GASTON KERR PH.D.
Individual
Psychologist (Clinical)250 BON AIR RD MARIN CMHS
GREENBRAE, CA 94904
(415) 499-3255
1477577856DR. DIANE LYNNE SLAGER PSY.D.
Individual
Psychologist (Clinical)250 BON AIR RD
GREENBRAE, CA 94904
(415) 499-6797

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144267097, enumerated in the NPI registry as an "individual" on May 31, 2006

The provider is located at 250 Bon Air Rd Greenbrae, Ca 94904 and the phone number is (415) 925-7301

The provider's speciality is Radiology with taxonomy code 2085R0202X with a focus in Diagnostic Radiology

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. 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 $104.67 with an average copayment of $26.16 for new patient appointments. Established patients should expect a typical charge of $85 and an average copayment of 21.25. Please review your insurance plan or contact the provider directly to determine your specific costs.

This NPI record was last updated on May 31, 2006. 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.