Samuel Jeffrey Gerson, M.D.
Internal Medicine Physician · San Diego, CA
Samuel Jeffrey Gerson, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1881843431, issued on Sep 18, 2008. Check the license (California A116916, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel Jeffrey Gerson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A116916 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2878 Camino Del Rio S Ste 220, San Diego, CA 92108
- Phone
- (619) 241-2191
- Enumerated
- Sep 18, 2008
- Record last updated
- Oct 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20110809000103); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2878 Camino Del Rio S Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Dolcemaschio, C.N.A.Nurse's Aide1881036234
Verify Samuel Jeffrey Gerson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
713 Medicare Part D claims for 376 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone98 claims
- Azithromycin75 claims
- Amoxicillin-Clavulanate Potass60 claims
- Albuterol Sulfate Hfa58 claims
- Nitrofurantoin Mono-Macro46 claims
- Polymyxin B Sul-Trimethoprim26 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.
Bills Medicare through one group practice
- Marque Medical Clinic, Inc.Newport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 961 in San Diego → All 17,696 in California → Every provider in San Diego →
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- Luba Abascal, MDSan Francisco, CA1023180874
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Common questions
What is Samuel Jeffrey Gerson, M.D.'s NPI number?
Samuel Jeffrey Gerson, M.D.'s National Provider Identifier (NPI) is 1881843431, issued on Sep 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Jeffrey Gerson, M.D. located?
The NPPES record lists a practice address at 2878 Camino Del Rio S Ste 220, San Diego, CA, 92108. Phone: (619) 241-2191. Providers update this record themselves, so call before visiting.
How can I verify Samuel Jeffrey Gerson, M.D.'s license?
NPPES lists California license number A116916, 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 Samuel Jeffrey Gerson, M.D. prescribe under Medicare Part D?
In 2024, Samuel Jeffrey Gerson, M.D. had 713 Medicare Part D claims for 376 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.