David Chen, MD
NPI 1295315489 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chen, MD is a Internal Medicine Physician provider in Downey, CA (NPI 1295315489).
Provider details
- NPI number
- 1295315489
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A195013 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 28 | 22 |
| Amlodipine Besylate | 21 | 16 |
| Losartan Potassium | 19 | 13 |
| Pantoprazole Sodium | 15 | 14 |
| Gabapentin | 14 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1050 Linden AveLong Beach, CA 90813-3321Phone: (562) 491-9000
Registry dates
- Enumerated
- 2021-04-12
- Last updated
- 2025-11-15
- Certified
- 2025-11-15
Frequently asked questions
- What is David Chen's NPI number?
- David Chen's National Provider Identifier (NPI) is 1295315489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chen's specialty?
- David Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Chen located?
- David Chen's practice location on file with NPPES is 10441 Lakewood Blvd Ste Ab, Downey, CA 90241-2870.
- What is David Chen's phone number?
- The practice phone number listed in the NPPES registry for David Chen is (562) 869-1070.
- Does David Chen accept Medicare?
- David Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chen's NPI active?
- Yes — David Chen's NPI (1295315489) is active in the NPPES registry as of the last update on 2025-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.