Clara Chu, M.D.
NPI 1659798874 · Family Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clara Chu, M.D. is a Family Medicine Physician provider in Oakland, CA (NPI 1659798874).
Provider details
- NPI number
- 1659798874
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A152734 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 277 | 109 |
| Amlodipine Besylate | 180 | 72 |
| Lisinopril | 127 | 45 |
| Losartan Potassium | 124 | 46 |
| Metformin Hcl | 83 | 28 |
| Gabapentin | 56 | 25 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-26
- Last updated
- 2021-12-17
Frequently asked questions
- What is Clara Chu's NPI number?
- Clara Chu's National Provider Identifier (NPI) is 1659798874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clara Chu's specialty?
- Clara Chu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clara Chu located?
- Clara Chu's practice location on file with NPPES is 3801 Howe St, Oakland, CA 94611-5312.
- What is Clara Chu's phone number?
- The practice phone number listed in the NPPES registry for Clara Chu is (510) 752-1000.
- Does Clara Chu accept Medicare?
- Clara Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clara Chu's NPI active?
- Yes — Clara Chu's NPI (1659798874) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.