Tan Chen, MD
NPI 1477693927 · Internal Medicine Physician · Fresno, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tan Chen, MD is a Internal Medicine Physician provider in Fresno, CA (NPI 1477693927).
Provider details
- NPI number
- 1477693927
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A96579 (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
19 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 59 | 40 |
| Prednisone | 28 | 28 |
| Montelukast Sodium | 27 | 22 |
| Budesonide/Formoterol Fumaratebrand: Breyna | 23 | 15 |
| Amlodipine Besylate | 19 | 15 |
| Ciclesonidebrand: Alvesco | 15 | 14 |
| Tamsulosin Hcl | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2021-12-13
Frequently asked questions
- What is Tan Chen's NPI number?
- Tan Chen's National Provider Identifier (NPI) is 1477693927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tan Chen's specialty?
- Tan Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tan Chen located?
- Tan Chen's practice location on file with NPPES is 7300 N Fresno St, Fresno, CA 93720-2941.
- What is Tan Chen's phone number?
- The practice phone number listed in the NPPES registry for Tan Chen is (559) 448-4500.
- Does Tan Chen accept Medicare?
- Tan Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tan Chen's NPI active?
- Yes — Tan Chen's NPI (1477693927) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.