NPPES file of Aug 9, 2026

Chonghao Zhao, M.D., PHD, DABMA

Specialist · San Gabriel, CA

Chonghao Zhao, M.D., PHD, DABMA is a specialist with a practice address in San Gabriel, California, and NPI 1902930019, issued on Mar 14, 2007. Check the license (California A66257, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902930019
Name
Chonghao Zhao
Credential
M.D., PHD, DABMA
Primary taxonomy
Specialist 174400000X
License number
A66257 CA
Self-reported in NPPES; status is on the state search
Practice location
420 W Las Tunas Dr, San Gabriel, CA 91776
Phone
(626) 457-1688
Enumerated
Mar 14, 2007
Record last updated
Oct 25, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(626) 457-1638
Medicare enrollment
Enrolled (PECOS I20050516000327); accepts Medicare assignment
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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Also registered at 420 W Las Tunas Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dan Le, D.O.Family Medicine Physician1790980258
  2. Stanley Toy, M.D.General Practice Physician1669707063

Verify Chonghao Zhao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license A66257
    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
Find the California license search

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49% more Medicare Part D claims than the average specialist in 2024

2,050 Medicare Part D claims for 432 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 656 claims were for opioids.

  1. Chonghao Zhao2,050
  2. Specialty average1,380

Most prescribed

  1. Tramadol Hcl655 claims
  2. Gabapentin461 claims
  3. Diclofenac Sodium458 claims
  4. Baclofen157 claims
  5. Lidocaine107 claims
  6. Pregabalin88 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Chonghao Zhao among 5,749 specialist records in California

Chonghao Zhao, M.D., PHD, DABMA is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 44% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1986 · median 1989 among the 1,075 with a school on file
  • Record last updated2017 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 specialist records list a practice address in San Gabriel

They are 8 of the 762 NPPES records with a practice address in San Gabriel, and 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. James Chen, M.D.San Gabriel, CA 917761609013440
  2. Robert Ghatan, M.D.San Gabriel, CA 917761144279522
  3. Lorna Kong-Thein, M.D.San Gabriel, CA 917761750650743
  4. Chun Yeh Wang, MD.,PH.D.San Gabriel, CA 917761770728016
  5. Sunny Yeh, M.D.San Gabriel, CA 917761124056429
  6. Theodor Serban, RPTSan Gabriel, CA 917751386843282
  7. Shiela WolfordSan Gabriel, CA 917751871962530
  8. Cindy BaldelomarSan Dimas, CA 917731629936034

Common questions

What is Chonghao Zhao, M.D., PHD, DABMA's NPI number?

Chonghao Zhao, M.D., PHD, DABMA's National Provider Identifier (NPI) is 1902930019, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Chonghao Zhao, M.D., PHD, DABMA located?

The NPPES record lists a practice address at 420 W Las Tunas Dr, San Gabriel, CA, 91776. Phone: (626) 457-1688. Providers update this record themselves, so call before visiting.

How can I verify Chonghao Zhao, M.D., PHD, DABMA's license?

NPPES lists California license number A66257, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Chonghao Zhao, M.D., PHD, DABMA prescribe under Medicare Part D?

In 2024, Chonghao Zhao, M.D., PHD, DABMA had 2,050 Medicare Part D claims for 432 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Chonghao Zhao, M.D., PHD, DABMA's MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.