NPPES file of Aug 9, 2026

Jeremy Ian Grosser, M.D.

Internal Medicine Physician · Canoga Park, CA

Jeremy Ian Grosser, M.D. is an internal medicine physician with a practice address in Canoga Park, California, and NPI 1235123373, issued on Sep 5, 2005. Check the license (California A67128, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235123373
Name
Jeremy Ian Grosser
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A67128 CA
Self-reported in NPPES; status is on the state search
Practice location
7355 Topanga Canyon Blvd Ste 200, Canoga Park, CA 91303
Phone
(818) 885-8500
Enumerated
Sep 5, 2005
Record last updated
Sep 4, 2022
Fax
(818) 700-5690
Medicare enrollment
Enrolled (PECOS I20051104000612); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jeremy Ian Grosser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67128
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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32% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,171 Medicare Part D claims for 137 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Jeremy Grosser2,171
  2. Specialty average3,176

Most prescribed

  1. Eliquis183 claims
  2. Atorvastatin Calcium141 claims
  3. Famotidine99 claims
  4. Levothyroxine Sodium94 claims
  5. Pantoprazole Sodium68 claims
  6. Amlodipine Besylate67 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.

Jeremy Ian Grosser among 17,696 internal medicine physician records in California

Jeremy Ian Grosser, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 internal medicine physician records list a practice address in Canoga Park

They are 8 of the 2,170 NPPES records with a practice address in Canoga Park, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Akhondi, MDCanoga Park, CA 913031437226347
  2. Jay Lin, M.D.Canoga Park, CA 913031275551251
  3. Rami Shaarawy, M.D.Canoga Park, CA 913031154494755
  4. Winifred Williams, M.D.Canoga Park, CA 913031982788253
  5. Sagi Cohen, M.D.Calabasas, CA 913021679872311
  6. Luz Delportillo, M.D.Calabasas, CA 913021760554026
  7. Sayeh Eshraghi, MDCalabasas, CA 913021750533345
  8. Nabil Feghali, MDCanoga Park, CA 913041982787057

Common questions

What is Jeremy Ian Grosser, M.D.'s NPI number?

Jeremy Ian Grosser, M.D.'s National Provider Identifier (NPI) is 1235123373, issued on Sep 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jeremy Ian Grosser, M.D. located?

The NPPES record lists a practice address at 7355 Topanga Canyon Blvd Ste 200, Canoga Park, CA, 91303. Phone: (818) 885-8500. Providers update this record themselves, so call before visiting.

How can I verify Jeremy Ian Grosser, M.D.'s license?

NPPES lists California license number A67128, 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 Jeremy Ian Grosser, M.D. prescribe under Medicare Part D?

In 2024, Jeremy Ian Grosser, M.D. had 2,171 Medicare Part D claims for 137 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.