Thomas Fandel, M.D.
NPI 1952833931 · Endocrinology, Diabetes & Metabolism Physician · San Jose, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Fandel, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in San Jose, CA (NPI 1952833931).
Provider details
- NPI number
- 1952833931
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
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 tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 457 | 127 |
| Semaglutidebrand: Ozempic | 394 | 102 |
| Atorvastatin Calcium | 394 | 120 |
| Repaglinide | 389 | 123 |
| Levothyroxine Sodium | 381 | 102 |
| Metformin Hcl | 356 | 122 |
| Dulaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,377 across 93 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
Additional practice locations (1)
- 400 Parnassus AvenueSan Francisco, CA 94143-1222Phone: (415) 353-8946
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2022-07-09
- Certified
- 2022-07-09
Frequently asked questions
- What is Thomas Fandel's NPI number?
- Thomas Fandel's National Provider Identifier (NPI) is 1952833931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Fandel's specialty?
- Thomas Fandel is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Fandel located?
- Thomas Fandel's practice location on file with NPPES is 2690 S White Rd Ste 50, San Jose, CA 95148-2075.
- What is Thomas Fandel's phone number?
- The practice phone number listed in the NPPES registry for Thomas Fandel is (408) 223-7000.
- Does Thomas Fandel accept Medicare?
- Thomas Fandel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Fandel's NPI active?
- Yes — Thomas Fandel's NPI (1952833931) is active in the NPPES registry as of the last update on 2022-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.