Jan Lin, MD
NPI 1841326386 · Rheumatology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Lin, MD is a Rheumatology Physician provider in San Jose, CA (NPI 1841326386).
Provider details
- NPI number
- 1841326386
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A88751 (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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 288 | 107 |
| Methotrexate Sodiumbrand: Methotrexate | 250 | 84 |
| Hydroxychloroquine Sulfate | 231 | 81 |
| Leflunomide | 159 | 56 |
| Adalimumab-Attobrand: Amjevita(cf) Autoinjector | 81 | 23 |
| Leucovorin Calcium | 73 | 21 |
| Sulfasalazine | 66 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2021-12-13
Frequently asked questions
- What is Jan Lin's NPI number?
- Jan Lin's National Provider Identifier (NPI) is 1841326386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Lin's specialty?
- Jan Lin is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Lin located?
- Jan Lin's practice location on file with NPPES is 260 International Cir, San Jose, CA 95119-1130.
- What is Jan Lin's phone number?
- The practice phone number listed in the NPPES registry for Jan Lin is (408) 851-1000.
- Does Jan Lin accept Medicare?
- Jan Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Lin's NPI active?
- Yes — Jan Lin's NPI (1841326386) 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.