Thomas Wan Chong, MD
Family Medicine Physician · La Puente, CA
Thomas Wan Chong, MD is a family medicine physician with a practice address in La Puente, California, and NPI 1912484148, issued on Jul 20, 2018. Check the license (California A165528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Wan Chong
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A165528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13742 Amar RD, La Puente, CA 91746
- Phone
- (626) 919-0400
- Enumerated
- Jul 20, 2018
- Record last updated
- Sep 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20200923002681); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 13742 Amar RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Cruz, NPFamily Nurse Practitioner1669030490
Verify Thomas Wan Chong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165528Check 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 family medicine physician in 2024
443 Medicare Part D claims for 47 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium50 claims
- Lisinopril39 claims
- Amlodipine Besylate33 claims
- Metformin Hcl25 claims
- Levothyroxine Sodium21 claims
- Januvia12 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.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Iaso Medical Professional GroupGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Wan Chong among 17,133 family medicine physician records in California
Thomas Wan Chong, 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · 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).
5 family medicine physician records list a practice address in La Puente
They are 5 of the 461 NPPES records with a practice address in La Puente, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in La Puente → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jenifer Chungafung, MDHacienda Hts, CA 917451376684985
- Daniel Honigman, M.D.Hacienda Heights, CA 917451154375541
- Kenneth Huang, D.O.Hacienda Heights, CA 917451104902295
- Edward Lin, DOHacienda Heights, CA 917451881122315
- George Lin, MDHacienda Heights, CA 917451679676035
- Kuanchang Lu, D.O.Hacienda Heights, CA 917451972044295
- Arnold Pang, D.O.Hacienda Heights, CA 917451942402524
- Oscar Tuazon, M.D.City Of Industry, CA 917451134290158
Common questions
What is Thomas Wan Chong, MD's NPI number?
Thomas Wan Chong, MD's National Provider Identifier (NPI) is 1912484148, issued on Jul 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Wan Chong, MD located?
The NPPES record lists a practice address at 13742 Amar RD, La Puente, CA, 91746. Phone: (626) 919-0400. Providers update this record themselves, so call before visiting.
How can I verify Thomas Wan Chong, MD's license?
NPPES lists California license number A165528, 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 Thomas Wan Chong, MD prescribe under Medicare Part D?
In 2024, Thomas Wan Chong, MD had 443 Medicare Part D claims for 47 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.