Michael Jonathan Jonhai Tang, MD
Family Medicine Physician · West Covina, CA
Michael Jonathan Jonhai Tang, MD is a family medicine physician with a practice address in West Covina, California, and NPI 1598409906, issued on Apr 21, 2022. Check the license (California A198316, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Jonathan Jonhai Tang
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A198316 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1135 S Sunset Ave Ste 401, West Covina, CA 91790
- Phone
- (626) 732-8390
- Enumerated
- Apr 21, 2022
- Record last updated
- Sep 23, 2025
- Fax
- (626) 732-8399
- Medicare enrollment
- Enrolled (PECOS I20251024001990); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1135 S Sunset Ave Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bimlesh Garg, MDPsychiatry Physician1164489159
- Jessica Guevara-Galan, BSN,MSN, WHNPWomen's Health Nurse Practitioner1558728717
Verify Michael Jonathan Jonhai Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A198316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
129 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium11 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 2 group practices
- Arcadia Hospitalist Medical Group IncArcadia, CA
- Emanate Health Medical Care FoundationWest Covina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Jonathan Jonhai Tang among 17,133 family medicine physician records in California
Michael Jonathan Jonhai Tang, MD is one of 17,133 family 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 family medicine physician records list a practice address in West Covina
They are 69 of the 2,450 NPPES records with a practice address in West Covina, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in West Covina → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fe Advincula, M.D.West Covina, CA 917901235162272
- Melody Angeles-Riparip, M.D.West Covina, CA 917901093752248
- Van Duong, M.D.West Covina, CA 917901497705289
- Teresita Belen Gan, MDWest Covina, CA 917901114028727
- John Koumas, D.O.West Covina, CA 917901134111958
- Zaida Obeso, M.D.West Covina, CA 917901881790616
- Jose Pilpa, MDWest Covina, CA 917901760439012
- Adriana Pollak Lazzaro, DOWest Covina, CA 917901306923974
Common questions
What is Michael Jonathan Jonhai Tang, MD's NPI number?
Michael Jonathan Jonhai Tang, MD's National Provider Identifier (NPI) is 1598409906, issued on Apr 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Michael Jonathan Jonhai Tang, MD located?
The NPPES record lists a practice address at 1135 S Sunset Ave Ste 401, West Covina, CA, 91790. Phone: (626) 732-8390. Providers update this record themselves, so call before visiting.
How can I verify Michael Jonathan Jonhai Tang, MD's license?
NPPES lists California license number A198316, 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 Jonathan Jonhai Tang, MD prescribe under Medicare Part D?
In 2024, Michael Jonathan Jonhai Tang, MD had 129 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.