Tan Pham, MD
NPI 1689759359 · Internal Medicine Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tan Pham, MD is a Internal Medicine Physician provider in Fremont, CA (NPI 1689759359).
Provider details
- NPI number
- 1689759359
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A72983 (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 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 442 | 164 |
| Amlodipine Besylate | 319 | 126 |
| Lisinopril | 261 | 96 |
| Losartan Potassium | 194 | 77 |
| Atenolol | 193 | 57 |
| Simvastatin | 173 | 62 |
| Levothyroxine Sodium | 169 | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2021-12-13
Frequently asked questions
- What is Tan Pham's NPI number?
- Tan Pham's National Provider Identifier (NPI) is 1689759359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tan Pham's specialty?
- Tan Pham is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tan Pham located?
- Tan Pham's practice location on file with NPPES is 39400 Paseo Padre Pkwy, Fremont, CA 94538-2310.
- What is Tan Pham's phone number?
- The practice phone number listed in the NPPES registry for Tan Pham is (510) 795-3000.
- Does Tan Pham accept Medicare?
- Tan Pham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tan Pham's NPI active?
- Yes — Tan Pham's NPI (1689759359) 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.