JAMES S. CHOI MD
NPI 1215016977
Surgery in Walnut Creek, CA

NPI Status: Active since November 03, 2006

Contact Information

1425 S MAIN ST
WALNUT CREEK, CA
ZIP 94596
Phone: (925) 295-4110

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  • Individual
  • Male
  • Years of Experience 27
  • Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About JAMES CHOI

This page provides the complete NPI Profile along with additional information for James Choi, a provider established in Walnut Creek, California with a medical specialization in Surgery and more than 27 years of experience. He graduated from Temple University School Of Medicine in 1999. The healthcare provider is registered in the NPI registry with number 1215016977 assigned on November 2006. The practitioner's primary taxonomy code is 208600000X with license number A78115 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1215016977
Provider Name
JAMES S. CHOI MD
Gender
Male
Entity Type
Individual
Location Address
1425 S MAIN ST WALNUT CREEK, CA 94596
Location Phone
(925) 295-4110
Mailing Address
1425 S MAIN ST WALNUT CREEK, CA 94596
Mailing Phone
(925) 295-4110
Medical School Name
TEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
1999
Is Sole Proprietor?
No
Enumeration Date
11-03-2006
Last Update Date
12-08-2021
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A surgeon like James Choi treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

Location Map

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
A78115
License State
CA
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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
00A781150MEDICAID (05)CA 
00A781150OTHER (01)CAINDIVIDUAL BLUE SHIELD

Medicare Participation & PECOS Enrollment Status

James Choi 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.

James Choi 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: 7012982507

    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: I20040827001235

    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.

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $26.12 for a new patient copayment and $21.22 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 94596 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $104.51
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $26.12
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

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

  • Average Established Patient Price $84.91
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $21.22
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* 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.

Reviews for JAMES S. CHOI MD

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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.
1215016977
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
22250112914
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 2 + 2 + 5 + 0 + 1 + 1 + 2 + 9 + 1 + 4 + 24 = 53
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
60 - 53 = 77

The NPI number 1215016977 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
1578565198MS. SARI FREDRICKSON MS, NP
Individual
Nurse Practitioner (Adult Health)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1265424113MS. LINDA ROLLINS NP, MS
Individual
Nurse Practitioner (Adult Health)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-5158
1396715538MRS. SHARYN IRIS GINSBERG NP, CNM
Individual
Nurse Practitioner (Women's Health)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-6261
1326149626MS. MARGARET CAMERON R.N, M.S.N.,N.P.
Individual
Nurse Practitioner (Pediatrics)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-5331
1609963164DR. LYNNE KATHLEEN FINLEY M.D.
Individual
Pathology (Anatomic Pathology & Clinical Pathology)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1366526840MS. MARY JACK CONKLIN NP
Individual
Nurse Practitioner (Gerontology)1425 S MAIN ST MOB 3RD FLOOR SURGERY CLINIC
WALNUT CREEK, CA 94596
(925) 295-4659
1639257116 HEIDI SHALE MD
Individual
Psychiatry & Neurology (Neurology)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1659459154 NELLIA P. KARAKOZOVA MD
Individual
Internal Medicine1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1689752263 ALLISON A. MURPHY MD
Individual
Pediatrics (Neonatal-Perinatal Medicine)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1235217712 DOUGLAS A. KAUFMAN MD
Individual
Internal Medicine (Hematology & Oncology)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1487732970 ROBERT A. COOKE DPM
Individual
Podiatrist1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1861570921 CRAIG P. GYORY MD
Individual
Orthopaedic Surgery1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1124106281 HILARY M. KAUFFMAN MD
Individual
Preventive Medicine (Occupational Medicine)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1033297197 CHERYL J. HANSON DPM
Individual
Podiatrist1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1942388004 DANIEL C. YOUNG MD
Individual
Internal Medicine1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1851479919 GABRIELLE K. LEVINE MD
Individual
Surgery1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1023196185 MICHAEL WEISS MD
Individual
Internal Medicine1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1891873956 CHARLES H. HANSEN MD
Individual
Emergency Medicine1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1528146685 ARCHANA MATHUR MD
Individual
Pediatrics (Pediatric Endocrinology)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000
1609954767 JOHN R. VALDIN MD
Individual
Internal Medicine (Nephrology)1425 S MAIN ST
WALNUT CREEK, CA 94596
(925) 295-4000

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215016977, enumerated in the NPI registry as an "individual" on November 03, 2006

The provider is located at 1425 S Main St Walnut Creek, Ca 94596 and the phone number is (925) 295-4110

The provider's speciality is Surgery with taxonomy code 208600000X

The provider has more than 27 years of experience. He graduated from Temple University School Of Medicine in 1999.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. 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 $104.51 with an average copayment of $26.12 for new patient appointments. Established patients should expect a typical charge of $84.91 and an average copayment of 21.22. 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: Melanoma (skin cancer) excision.

This NPI record was last updated on November 03, 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.