Russell Lemesh, MD,MS,FACP
NPI 1518044593 · Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Russell Lemesh, MD,MS,FACP is a Geriatric Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1518044593).
Provider details
- NPI number
- 1518044593
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD,MS,FACP
- Sex
- Male
- Sole proprietor
- No
- License
- G 057623 (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 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 310 | 36 |
| Amlodipine Besylate | 140 | 20 |
| Losartan Potassium | 126 | 16 |
| Trazodone Hcl | 124 | 16 |
| Levothyroxine Sodium | 117 | 11 |
| Pantoprazole Sodium | 110 | 12 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Russell Lemesh's NPI number?
- Russell Lemesh's National Provider Identifier (NPI) is 1518044593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russell Lemesh's specialty?
- Russell Lemesh is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Russell Lemesh located?
- Russell Lemesh's practice location on file with NPPES is 1426 Fillmore St, San Francisco, CA 94115-5236.
- What is Russell Lemesh's phone number?
- The practice phone number listed in the NPPES registry for Russell Lemesh is (415) 447-1010.
- Does Russell Lemesh accept Medicare?
- Russell Lemesh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Russell Lemesh's NPI active?
- Yes — Russell Lemesh's NPI (1518044593) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.