Hua Chen, M.D.
NPI 1457375297 · Family Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hua Chen, M.D. is a Family Medicine Physician provider in Oakland, CA (NPI 1457375297).
Provider details
- NPI number
- 1457375297
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A55331 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
2,364 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 | 1,840 | $104 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 161 | $148 |
| Administration of Influenza Virus VaccineG0008 | 150 | $39 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 63 | $170 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 57 | $66 |
| Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or Allow |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 426 | 90 |
| Amlodipine Besylate | 406 | 92 |
| Losartan Potassium | 370 | 79 |
| Metoprolol Succinate | 288 | 63 |
| Allopurinol | 129 | 25 |
| Valsartan | 108 | 22 |
| Tamsulosin Hcl | 99 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$179 across 11 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
- 2006-07-26
- Last updated
- 2007-07-09
Frequently asked questions
- What is Hua Chen's NPI number?
- Hua Chen's National Provider Identifier (NPI) is 1457375297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hua Chen's specialty?
- Hua Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hua Chen located?
- Hua Chen's practice location on file with NPPES is 373 9th St, Oakland, CA 94607-6514.
- What is Hua Chen's phone number?
- The practice phone number listed in the NPPES registry for Hua Chen is (510) 251-0688.
- Does Hua Chen accept Medicare?
- Hua Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hua Chen's NPI active?
- Yes — Hua Chen's NPI (1457375297) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.