Heng Long Chhay, M.D
Family Medicine Physician · Baldwin Park, CA
Heng Long Chhay, M.D is a family medicine physician with a practice address in Baldwin Park, California, and NPI 1225021041, issued on Aug 26, 2005. Check the license (California A83914, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Heng Long Chhay
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A83914 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Phone
- (800) 780-1277
- Enumerated
- Aug 26, 2005
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050518000266); 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 1011 Baldwin Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mauricio Acevedo, MDInternal Medicine Physician1659442614
- Helen Achio, PHARM.D.Pharmacist1225114614
- Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
- Soma Agarwal, MDOphthalmology Physician1437220316
Verify Heng Long Chhay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average family medicine physician in 2024
6,968 Medicare Part D claims for 817 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 131 claims were for opioids.
Most prescribed
- Atorvastatin Calcium586 claims
- Losartan Potassium340 claims
- Amlodipine Besylate328 claims
- Metformin Hcl190 claims
- Glipizide178 claims
- Lisinopril175 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBaldwin Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heng Long Chhay among 17,133 family medicine physician records in California
Heng Long Chhay, M.D 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
75 family medicine physician records list a practice address in Baldwin Park
They are 75 of the 1,055 NPPES records with a practice address in Baldwin Park, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Baldwin Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Herman Carrillo, MDBaldwin Park, CA 917061881785814
- David Dinwiddie, MDBaldwin Park, CA 917061679644587
- Susan Goldman, MDBaldwin Park, CA 917061417028499
- David Hernandez, MDBaldwin Park, CA 917061518038553
- Yu-Chien Kuo, MDBaldwin Park, CA 917061013000447
- Katherine Lehman-Schletewitz, MDBaldwin Park, CA 917061982775862
- Raymond Liang, MDBaldwin Park, CA 917061790856672
- Linda Lin, DOBaldwin Park, CA 917061245301225
Common questions
What is Heng Long Chhay, M.D's NPI number?
Heng Long Chhay, M.D's National Provider Identifier (NPI) is 1225021041, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Heng Long Chhay, M.D located?
The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (800) 780-1277. Providers update this record themselves, so call before visiting.
How can I verify Heng Long Chhay, M.D's license?
NPPES lists California license number A83914, 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 Heng Long Chhay, M.D prescribe under Medicare Part D?
In 2024, Heng Long Chhay, M.D had 6,968 Medicare Part D claims for 817 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.