DR. JOHN P. ROBERTS MD
NPI 1437113446
Transplant Surgery in San Francisco, CA

NPI Status: Active since April 14, 2006

Contact Information

400 PARNASSUS AVE
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-2318
Fax: (415) 353-8917

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  • Individual
  • Male
  • Years of Experience 46
  • Transplant Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About JOHN ROBERTS

This page provides the complete NPI Profile along with additional information for John Roberts, a provider established in San Francisco, California with a medical specialization in Transplant Surgery and more than 46 years of experience. He graduated from University Of California, San Diego School Of Medicine in 1980. The healthcare provider is registered in the NPI registry with number 1437113446 assigned on April 2006. The practitioner's primary taxonomy code is 204F00000X with license number G62500 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1437113446
Provider Name
DR. JOHN P. ROBERTS MD
Gender
Male
Entity Type
Individual
Location Address
400 PARNASSUS AVE SAN FRANCISCO, CA 94143
Location Phone
(415) 353-2318
Location Fax
(415) 353-8917
Mailing Address
1635 DIVISADERO STREET, SUITE 625, BOX 1821 SAN FRANCISCO, CA 94143
Mailing Phone
(415) 476-4029
Mailing Fax
(415) 353-8917
Medical School Name
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduation Year
1980
Is Sole Proprietor?
Yes
Enumeration Date
04-14-2006
Last Update Date
09-11-2025
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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

Transplant Surgery

Taxonomy Code
204F00000X
Type
Allopathic & Osteopathic Physicians
License No.
G62500
License State
CA
Taxonomy Description
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

G62500 (CA)

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.

*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
0G6250000MEDICAID (05)CA 

Medicare Participation & PECOS Enrollment Status

John Roberts 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.

John Roberts 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: 1052495132

    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: I20080227000896

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Unknown

  • Treatment-Treatment - Miscellaneous (RX029N)

    Tacrolimus, immediate release, oral, 1 mg (HCPCS:J7507)

    3 DME suppliers used 28 Medicare Claims 6135 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Prednisone, immediate release or delayed release, oral, 1 mg (HCPCS:J7512)

    3 DME suppliers used 14 Medicare Claims 2880 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Mycophenolate mofetil, oral, 250 mg (HCPCS:J7517)

    3 DME suppliers used 15 Medicare Claims 4320 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period (HCPCS:Q0511)

    5 DME suppliers used 22 Medicare Claims 22 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period (HCPCS:Q0512)

    3 DME suppliers used 29 Medicare Claims 37 Services Paid

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.

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 18 times for 17 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 14 times for 11 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 55 times for 24 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 57 times for 16 patients

Reviews for DR. JOHN P. ROBERTS MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1437113446, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 1 → 2 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 6 + 7 + 2 + 1 + 6 + 4 + 8 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1437113446.

Other Providers at the Same Location


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

Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Endocrinology, Diabetes & Metabolism)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE, PLAZA LEVEL
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437113446, enumerated as an "individual" on April 14, 2006.

The provider is located at 400 PARNASSUS AVE SAN FRANCISCO, CA 94143 and the phone number is (415) 353-2318.

Transplant Surgery with taxonomy code 204F00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.