Leigh Allen, MD
NPI 1548355118 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leigh Allen, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1548355118).
Provider details
- NPI number
- 1548355118
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A74343 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 119 | 59 |
| Metoprolol Tartrate | 67 | 33 |
| Furosemide | 57 | 48 |
| Atorvastatin Calcium | 52 | 22 |
| Oxycodone Hcl | 48 | 48 |
| Warfarin Sodium | 44 | 26 |
| Colchicine | 42 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2021-12-08
Frequently asked questions
- What is Leigh Allen's NPI number?
- Leigh Allen's National Provider Identifier (NPI) is 1548355118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leigh Allen's specialty?
- Leigh Allen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leigh Allen located?
- Leigh Allen's practice location on file with NPPES is 2425 Geary Blvd, San Francisco, CA 94115-3358.
- What is Leigh Allen's phone number?
- The practice phone number listed in the NPPES registry for Leigh Allen is (415) 833-9956.
- Does Leigh Allen accept Medicare?
- Leigh Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leigh Allen's NPI active?
- Yes — Leigh Allen's NPI (1548355118) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.