Benedict Chou, M.D.
NPI 1770759375 · Rheumatology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benedict Chou, M.D. is a Rheumatology Physician provider in San Francisco, CA (NPI 1770759375).
Provider details
- NPI number
- 1770759375
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A120132 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
327 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $90 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 64 | $177 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $135 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 50 | $44 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 30 | $81 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 172 | 65 |
| Methotrexate Sodiumbrand: Methotrexate | 41 | 22 |
| Alendronate Sodium | 22 | 13 |
| Hydroxychloroquine Sulfate | 22 | 11 |
| Gabapentin | 20 | 12 |
| Leflunomide | 13 | — |
| Allopurinol | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$950 across 40 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1000 Veteran Ave Rm 32-59Los Angeles, CA 90024-2704Phone: (310) 825-6301Fax: (310) 794-6553
Registry dates
- Enumerated
- 2008-05-03
- Last updated
- 2021-12-21
- Certified
- 2020-08-24
Frequently asked questions
- What is Benedict Chou's NPI number?
- Benedict Chou's National Provider Identifier (NPI) is 1770759375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benedict Chou's specialty?
- Benedict Chou is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Benedict Chou located?
- Benedict Chou's practice location on file with NPPES is 2238 Geary Blvd, San Francisco, CA 94115-3416.
- What is Benedict Chou's phone number?
- The practice phone number listed in the NPPES registry for Benedict Chou is (415) 833-0772.
- Does Benedict Chou accept Medicare?
- Benedict Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benedict Chou's NPI active?
- Yes — Benedict Chou's NPI (1770759375) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.