NPPES file of Aug 9, 2026

Michael Jeffrey Zizmor

General Practice Physician · Richmond, CA

Michael Jeffrey Zizmor is a general practice physician with a practice address in Richmond, California, and NPI 1124395421, issued on Nov 30, 2011. Check the license (California G50848, 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
1124395421
Name
Michael Jeffrey Zizmor
Primary taxonomy
General Practice Physician 208D00000X
License number
G50848 CA
Self-reported in NPPES; status is on the state search
Practice location
2831 Macdonald Ave, Richmond, CA 94804
Phone
(510) 236-5340
Enumerated
Nov 30, 2011
Record last updated
Oct 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(510) 236-5340
Medicare enrollment
Enrolled (PECOS I20201001003415); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 1982
Telehealth
Offers telehealth (CMS)
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 Michael Jeffrey Zizmor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G50848
    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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68% fewer Medicare Part D claims than the average general practice physician in 2024

976 Medicare Part D claims for 49 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 61 claims were for opioids.

  1. Michael Zizmor976
  2. Specialty average3,030

Most prescribed

  1. Clonazepam121 claims
  2. Trazodone Hcl80 claims
  3. Dextroamphetamine-Amphet Er70 claims
  4. Dextroamphetamine-Amphetamine68 claims
  5. Gabapentin60 claims
  6. Lorazepam57 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

  1. Vital Total Health Medical Group IncWalnut Creek, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

Other general practice physician records in California

  1. Hessam Aazami, M.D.Canoga Park, CA1144299173
  2. Ali Abaian, M.D.Los Angeles, CA1316061674
  3. Tahira Abbasi, MDLa Jolla, CA1619062346
  4. Ryan Abbott, M.D.Los Angeles, CA1194016030
  5. Adel Abdelsayed, M.D.Huntington Park, CA1922164961
  6. Kashif Abdullah, M.D. , M.P.HSan Jose, CA1164651212
  7. Ilona Abraham, MDEncino, CA1700939576
  8. Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
  9. Azniv Abrahamian, M.D.North Hollywood, CA1033270293
  10. Elliot Abravanel, MDSan Marino, CA1821610114

Common questions

What is Michael Jeffrey Zizmor's NPI number?

Michael Jeffrey Zizmor's National Provider Identifier (NPI) is 1124395421, issued on Nov 30, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Michael Jeffrey Zizmor located?

The NPPES record lists a practice address at 2831 Macdonald Ave, Richmond, CA, 94804. Phone: (510) 236-5340. Providers update this record themselves, so call before visiting.

How can I verify Michael Jeffrey Zizmor's license?

NPPES lists California license number G50848, 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 Michael Jeffrey Zizmor prescribe under Medicare Part D?

In 2024, Michael Jeffrey Zizmor had 976 Medicare Part D claims for 49 beneficiaries; the average among general practice physician prescribers was 3,030. 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.