NPPES file of Aug 9, 2026

Tsang-Hung Chang, M.D.

Obstetrics & Gynecology Physician · Monterey Park, CA

Tsang-Hung Chang, M.D. is an obstetrics & gynecology physician with a practice address in Monterey Park, California, and NPI 1801857859, issued on Mar 29, 2006. Check the license (California A35695, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1801857859
Name
Tsang-Hung Chang
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A35695 CA
Self-reported in NPPES; status is on the state search
Practice location
500 N Garfield Ave, Monterey Park, CA 91754
Phone
(626) 572-0661
Enumerated
Mar 29, 2006
Record last updated
Jul 13, 2026
Fax
(626) 573-9556
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 500 N Garfield Ave

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

  1. Charles Chan, M.D.Obstetrics & Gynecology Physician1326105743
  2. Dennis Chan, M. D.Gastroenterology Physician1053343434
  3. Suisun Chan, M.D.Gastroenterology Physician1801815527
  4. Edward Chen, M.D.Obstetrics & Gynecology Physician1164463345
  5. Jeffrey Chen, D.O.Critical Care Medicine (Internal Medicine) Physician1801120191
  6. Stephen Chen, MDCritical Care Medicine (Internal Medicine) Physician1205821477

Verify Tsang-Hung Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A35695
    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
Open the California license search

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Industry payments in 2024: $174.12

8 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tsang-Hung Chang$174.12
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tsang-Hung Chang among 5,088 obstetrics & gynecology physician records in California

Tsang-Hung Chang, 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. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 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).

12 obstetrics & gynecology physician records list a practice address in Monterey Park

They are 12 of the 948 NPPES records with a practice address in Monterey Park, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Charles Chan, M.D.Monterey Park, CA 917541326105743
  2. Edward Chen, M.D.Monterey Park, CA 917541164463345
  3. Jing Lu, M.DMonterey Park, CA 917541720091747
  4. Ivy Panoy, NPMonterey Park, CA 917541164174108
  5. Kacey TanabeMonterey Park, CA 917541265364269
  6. Van Tran, MDMonterey Park, CA 917541063949972
  7. Henry Tsai, M.D.Monterey Park, CA 917541366476764
  8. George Wang, M.D.Monterey Park, CA 917541962499616

Common questions

What is Tsang-Hung Chang, M.D.'s NPI number?

Tsang-Hung Chang, M.D.'s National Provider Identifier (NPI) is 1801857859, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tsang-Hung Chang, M.D. located?

The NPPES record lists a practice address at 500 N Garfield Ave, Monterey Park, CA, 91754. Phone: (626) 572-0661. Providers update this record themselves, so call before visiting.

How can I verify Tsang-Hung Chang, M.D.'s license?

NPPES lists California license number A35695, 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. 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.