Russell Alan Lemesh, MD,MS,FACP
Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Russell Alan Lemesh, MD,MS,FACP is a geriatric medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1518044593, issued on Nov 1, 2006. Check the license (California G 057623, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Russell Alan Lemesh
- Credential
- MD,MS,FACP
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G 057623 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1426 Fillmore St, San Francisco, CA 94115
- Phone
- (415) 447-1010
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 447-1034
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 1426 Fillmore St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luisa AcostaMarriage & Family Therapist1013115815
- Tarah Al-HaiseStudent in an Organized Health Care Education/Training Program1134504889
- Simran Bhatia, LMFTMarriage & Family Therapist1235587809
- Nachelle ByrdCase Manager/Care Coordinator1356784797
- Jessica EastwoodMental Health Counselor1952735359
- Selene Hong, MFTMarriage & Family Therapist1437280047
Verify Russell Alan Lemesh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G 057623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,471 Medicare Part D claims for 93 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium310 claims
- Amlodipine Besylate140 claims
- Losartan Potassium126 claims
- Trazodone Hcl124 claims
- Levothyroxine Sodium117 claims
- Pantoprazole Sodium110 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Russell Alan Lemesh among 532 geriatric medicine (internal medicine) physician records in California
Russell Alan Lemesh, MD,MS,FACP is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in San Francisco → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Karla Lovett, MDSan Francisco, CA 941151871671412
- Kathryn Sewell, M.D.San Francisco, CA 941151689652612
- Namita Kansal, MDSan Francisco, CA 941161184883415
- Helena Katz, MDSan Francisco, CA 941161285774414
- Lydia Lukian, MDSan Francisco, CA 941161932249125
- Victoria Sweet, MDSan Francisco, CA 941161275673477
- Leslie Kernisan, M.D.San Francisco, CA 941171215968797
- Pei Chen, MDSan Francisco, CA 941181295054948
Common questions
What is Russell Alan Lemesh, MD,MS,FACP's NPI number?
Russell Alan Lemesh, MD,MS,FACP's National Provider Identifier (NPI) is 1518044593, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Russell Alan Lemesh, MD,MS,FACP located?
The NPPES record lists a practice address at 1426 Fillmore St, San Francisco, CA, 94115. Phone: (415) 447-1010. Providers update this record themselves, so call before visiting.
How can I verify Russell Alan Lemesh, MD,MS,FACP's license?
NPPES lists California license number G 057623, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Russell Alan Lemesh, MD,MS,FACP prescribe under Medicare Part D?
In 2024, Russell Alan Lemesh, MD,MS,FACP had 3,471 Medicare Part D claims for 93 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.