Michael Maung, M.D.
Obstetrics & Gynecology Physician · Diamond Bar, CA
Michael Maung, M.D. is an obstetrics & gynecology physician with a practice address in Diamond Bar, California, and NPI 1225493810, issued on Dec 23, 2015. Check the license (California A31158, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Maung
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A31158 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2803 Oak Knoll Dr, Diamond Bar, CA 91765
- Phone
- (714) 743-1113
- Enumerated
- Dec 23, 2015
- Record last updated
- Dec 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (909) 860-1220
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Michael Maung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Maung among 5,088 obstetrics & gynecology physician records in California
Michael Maung, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2015 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,088 in California → Every provider in Diamond Bar → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jong Kim, M.D.,Diamond Bar, CA 917651053419176
- Emily Krasowsky, MDDiamond Bar, CA 917651669933552
- Anne Liao, MDDiamond Bar, CA 917651164099487
- Nayan Shah, MDDiamond Bar, CA 917651174631402
- Geeta Patel, M.D.Ontario, CA 917641154414357
- Tahira Akram, MDPomona, CA 917671942202825
- Frank Chiang, MDPomona, CA 917671457456287
- David Choi, M.D.Pomona, CA 917671881947117
Common questions
What is Michael Maung, M.D.'s NPI number?
Michael Maung, M.D.'s National Provider Identifier (NPI) is 1225493810, issued on Dec 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael Maung, M.D. located?
The NPPES record lists a practice address at 2803 Oak Knoll Dr, Diamond Bar, CA, 91765. Phone: (714) 743-1113. Providers update this record themselves, so call before visiting.
How can I verify Michael Maung, M.D.'s license?
NPPES lists California license number A31158, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.