Zinmar Ma, MD
Emergency Medicine Physician · Roseville, CA
Zinmar Ma, MD is an emergency medicine physician with a practice address in Roseville, California, and NPI 1164803151, issued on Jun 15, 2015. Check the license (California A149628, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zinmar Ma
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A149628 CA
Self-reported in NPPES; status is on the state search - Practice location
- 700 Sunrise Ave, Roseville, CA 95661
- Phone
- (916) 772-6337
- Enumerated
- Jun 15, 2015
- Record last updated
- Aug 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 700 Sunrise Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zinmar Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A149628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
30 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Zinmar Ma among 7,751 emergency medicine physician records in California
Zinmar Ma, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 emergency medicine physician records list a practice address in Roseville
They are 54 of the 5,340 NPPES records with a practice address in Roseville, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Roseville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Angela Bell, M.D.Roseville, CA 956611578560389
- Mark Biittner, M.D.Roseville, CA 956611932120235
- Dana Dunlavey, M.DRoseville, CA 956611265454037
- Darilyn Falck, M.D.Roseville, CA 956611275644643
- Keith Fenderson, M.DRoseville, CA 956611902824873
- Dawn Hitchcock, M.DRoseville, CA 956611720006604
- Jon Johnston, D.ORoseville, CA 956611629090220
- Christopher Markus, D.ORoseville, CA 956611891717427
Common questions
What is Zinmar Ma, MD's NPI number?
Zinmar Ma, MD's National Provider Identifier (NPI) is 1164803151, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Zinmar Ma, MD located?
The NPPES record lists a practice address at 700 Sunrise Ave, Roseville, CA, 95661. Phone: (916) 772-6337. Providers update this record themselves, so call before visiting.
How can I verify Zinmar Ma, MD's license?
NPPES lists California license number A149628, 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 Zinmar Ma, MD prescribe under Medicare Part D?
In 2024, Zinmar Ma, MD had 30 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.