Charles Chiusung Chan, M.D.
Obstetrics & Gynecology Physician · Monterey Park, CA
Charles Chiusung Chan, M.D. is an obstetrics & gynecology physician with a practice address in Monterey Park, California, and NPI 1326105743, issued on Jan 3, 2007. Check the license (California A29783, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Chiusung Chan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A29783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 N Garfield Ave, Monterey Park, CA 91754
- Phone
- (626) 288-8590
- Enumerated
- Jan 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 288-8616
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 500 N Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Chan, M. D.Gastroenterology Physician1053343434
- Suisun Chan, M.D.Gastroenterology Physician1801815527
- Tsang-Hung Chang, M.D.Obstetrics & Gynecology Physician1801857859
- Edward Chen, M.D.Obstetrics & Gynecology Physician1164463345
- Jeffrey Chen, D.O.Critical Care Medicine (Internal Medicine) Physician1801120191
- Stephen Chen, MDCritical Care Medicine (Internal Medicine) Physician1205821477
Verify Charles Chiusung Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A29783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
21 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $22.49
1 payment: food and beverage; the largest payer was Abbott Laboratories. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Charles Chiusung Chan among 5,088 obstetrics & gynecology physician records in California
Charles Chiusung Chan, 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2007 · 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.
All 5,088 in California → Every provider in Monterey Park → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Tsang-Hung Chang, M.D.Monterey Park, CA 917541801857859
- Edward Chen, M.D.Monterey Park, CA 917541164463345
- Jing Lu, M.DMonterey Park, CA 917541720091747
- Ivy Panoy, NPMonterey Park, CA 917541164174108
- Kacey TanabeMonterey Park, CA 917541265364269
- Van Tran, MDMonterey Park, CA 917541063949972
- Henry Tsai, M.D.Monterey Park, CA 917541366476764
- George Wang, M.D.Monterey Park, CA 917541962499616
Common questions
What is Charles Chiusung Chan, M.D.'s NPI number?
Charles Chiusung Chan, M.D.'s National Provider Identifier (NPI) is 1326105743, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles Chiusung Chan, M.D. located?
The NPPES record lists a practice address at 500 N Garfield Ave, Monterey Park, CA, 91754. Phone: (626) 288-8590. Providers update this record themselves, so call before visiting.
How can I verify Charles Chiusung Chan, M.D.'s license?
NPPES lists California license number A29783, 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 Charles Chiusung Chan, M.D. prescribe under Medicare Part D?
In 2024, Charles Chiusung Chan, M.D. had 21 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.