Lorna Thomson, MD
NPI 1972681591 · Hospitalist Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lorna Thomson, MD is a Hospitalist Physician provider in San Francisco, CA (NPI 1972681591).
Provider details
- NPI number
- 1972681591
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A71823 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 60 | 37 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 54 | 23 |
| Colchicine | 44 | 44 |
| Furosemide | 44 | 43 |
| Metoprolol Tartrate | 40 | 35 |
| Oxycodone Hcl | 37 | 36 |
| Warfarin Sodium | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Lorna Thomson's NPI number?
- Lorna Thomson's National Provider Identifier (NPI) is 1972681591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lorna Thomson's specialty?
- Lorna Thomson is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Lorna Thomson located?
- Lorna Thomson's practice location on file with NPPES is 2200 Ofarrell St, San Francisco, CA 94115-3357.
- What is Lorna Thomson's phone number?
- The practice phone number listed in the NPPES registry for Lorna Thomson is (415) 833-2000.
- Does Lorna Thomson accept Medicare?
- Lorna Thomson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lorna Thomson's NPI active?
- Yes — Lorna Thomson's NPI (1972681591) 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.