Clarence Chu, PA-C
NPI 1891231924 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarence Chu, PA-C is a Physician Assistant provider in San Francisco, CA (NPI 1891231924).
Provider details
- NPI number
- 1891231924
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 54045 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,738 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 641 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 330 | $93 |
| Therapy Procedure Using Ultraviolet Radiation With Tar Or Petroleum Jelly Application96910 | 223 | $140 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 201 | $57 |
| Biopsy of Related Skin Growth, First Growth11102 | 88 | $106 |
| Destruction of Skin Growth, 1-14 Growths17110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 31 | 20 |
| Doxycycline Hyclate | 30 | 21 |
| Mupirocin | 28 | 27 |
| Valacyclovir Hclbrand: Valacyclovir | 23 | 15 |
| Cephalexin | 20 | 19 |
| Triamcinolone Acetonide | 20 | — |
| Clobetasol Propionate | 19 | 15 |
| Mometasone Furoate | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,466 across 149 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
Registry dates
- Enumerated
- 2017-01-12
- Last updated
- 2022-02-08
- Certified
- 2022-02-08
Frequently asked questions
- What is Clarence Chu's NPI number?
- Clarence Chu's National Provider Identifier (NPI) is 1891231924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Chu's specialty?
- Clarence Chu is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Clarence Chu located?
- Clarence Chu's practice location on file with NPPES is 2100 Webster St Ste 305, San Francisco, CA 94115-2376.
- What is Clarence Chu's phone number?
- The practice phone number listed in the NPPES registry for Clarence Chu is (415) 463-3059.
- Does Clarence Chu accept Medicare?
- Clarence Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarence Chu's NPI active?
- Yes — Clarence Chu's NPI (1891231924) is active in the NPPES registry as of the last update on 2022-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.