Registry data as of Aug 27, 2026

Chihan Wong, M.D.

General Practice Physician · Los Angeles, CA

Chihan Wong, M.D. is a general practice physician with a practice address in Los Angeles, California, and NPI 1255580072, issued on Sep 17, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1255580072
Name
Chihan Wong
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
Practice location
1200 N State St, Los Angeles, CA 90089
Phone
(323) 409-6931
Enumerated
Sep 17, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1200 N State St

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

  1. Sadeea Abbasi, M.D., PH.D.Student in an Organized Health Care Education/Training Program1366713513
  2. Danna Abdel-Khader, MDInternal Medicine Physician1780977827
  3. Terri Leigh Abe, MDInternal Medicine Physician1881897569
  4. Beza Abebe, MDStudent in an Organized Health Care Education/Training Program1558823674
  5. Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
  6. Zachary AbelsonObstetrics & Gynecology Physician1689237414

Verify Chihan Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

61% fewer Medicare Part D claims than the average general practice physician in 2024

1,164 Medicare Part D claims for 194 beneficiaries, against an average of 2,957 among the 8,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.

  1. Chihan Wong1,164
  2. Specialty average2,957

Most prescribed

  1. Quetiapine Fumarate95 claims
  2. Clonazepam92 claims
  3. Sertraline Hcl86 claims
  4. Mirtazapine68 claims
  5. Buspirone Hcl67 claims
  6. Bupropion Xl64 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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupBaldwin Park, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

General Practice Physician providers in California

There are 1,869 general practice physician records in California.

Other general practice physician records in California

  1. Dalal Aago, MDEl Cajon, CA1639863103
  2. Hessam Aazami, M.D.Canoga Park, CA1144299173
  3. Kenric Aban, M.D.Oceanside, CA1336218023
  4. Tahira Abbasi, MDLa Jolla, CA1619062346
  5. Ryan Abbott, M.D.Los Angeles, CA1194016030
  6. Adel Abdelsayed, M.D.Huntington Park, CA1922164961
  7. Brittany Abeldt, MDOakland, CA1982353884
  8. Ilona Abraham, MDEncino, CA1700939576
  9. Jerry Abraham, MD, MPH, CMQLos Angeles, CA1932514874
  10. Azniv Abrahamian, M.D.North Hollywood, CA1033270293

Common questions

What is Chihan Wong, M.D.'s NPI number?

Chihan Wong, M.D.'s National Provider Identifier (NPI) is 1255580072, issued on Sep 17, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Chihan Wong, M.D. located?

The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90089. Phone: (323) 409-6931. Providers update this record themselves, so call before visiting.

How can I verify Chihan Wong, M.D.'s license?

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 Chihan Wong, M.D. prescribe under Medicare Part D?

In 2024, Chihan Wong, M.D. had 1,164 Medicare Part D claims for 194 beneficiaries; the average among general practice physician prescribers was 2,957. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.