NPPES file of Aug 9, 2026

Benedict Tien Chou, M.D.

Rheumatology Physician · San Francisco, CA

Benedict Tien Chou, M.D. is a rheumatology physician with a practice address in San Francisco, California, and NPI 1770759375, issued on May 3, 2008. Check the license (California A120132, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770759375
Name
Benedict Tien Chou
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
A120132 CA
Self-reported in NPPES; status is on the state search
Practice location
2238 Geary Blvd, San Francisco, CA 94115
Phone
(415) 833-0772
Enumerated
May 3, 2008
Record last updated
Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(415) 833-5009
Medicare enrollment
Enrolled (PECOS I20150317000231); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest rheumatology physician records → All 926 in California → Look up another NPI →

Also registered at 2238 Geary Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yahya Abdolcader, FNPFamily Nurse Practitioner1215566914
  2. Thomas Addison, MDPulmonary Disease Physician1154494599
  3. Judith Adler, NPWomen's Health Nurse Practitioner1366511586
  4. Paul Adler, M.D.Internal Medicine Physician1568889772
  5. Asim Alam, MD/PHDPulmonary Disease Physician1467955286
  6. Michelle Allen, M.D.Internal Medicine Physician1679515688

Verify Benedict Tien Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A120132    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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77% fewer Medicare Part D claims than the average rheumatology physician in 2024

448 Medicare Part D claims for 133 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Benedict Chou448
  2. Specialty average1,978

Most prescribed

  1. Prednisone172 claims
  2. Methotrexate41 claims
  3. Alendronate Sodium22 claims
  4. Hydroxychloroquine Sulfate22 claims
  5. Gabapentin20 claims
  6. Leflunomide13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $949.51

40 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benedict Chou$949.51
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Torrance Health Association IncEl Segundo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Benedict Tien Chou among 926 rheumatology physician records in California

Benedict Tien Chou, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 37% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2008 · median 2003 among the 641 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

All 926 in California → Every provider in San Francisco → Rheumatology Physician nationwide →

The 8 rheumatology physician records with the nearest ZIP codes

  1. Ishita Aggarwal, MDSan Francisco, CA 941151518385699
  2. Nancy Carteron, M.D.San Francisco, CA 941151669582458
  3. William Dibrielle, MDSan Francisco, CA 941151043483837
  4. Aileen Dillon, MB, BCHSan Francisco, CA 941151912071523
  5. Walford Fessel, MDSan Francisco, CA 941151649344961
  6. Jeffrey Fong, MDSan Francisco, CA 941151093893695
  7. Shelley Marder, M.D.San Francisco, CA 941151184648636
  8. Kerstin Morehead, M.D.San Francisco, CA 941151235244963

Common questions

What is Benedict Tien Chou, M.D.'s NPI number?

Benedict Tien Chou, M.D.'s National Provider Identifier (NPI) is 1770759375, issued on May 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Benedict Tien Chou, M.D. located?

The NPPES record lists a practice address at 2238 Geary Blvd, San Francisco, CA, 94115. Phone: (415) 833-0772. Providers update this record themselves, so call before visiting.

How can I verify Benedict Tien Chou, M.D.'s license?

NPPES lists California license number A120132, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Benedict Tien Chou, M.D. prescribe under Medicare Part D?

In 2024, Benedict Tien Chou, M.D. had 448 Medicare Part D claims for 133 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.