HENG LONG CHHAY M.D
NPI 1225021041
Family Medicine in Baldwin Park, CA
About Heng Long Chhay M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENG LONG CHHAY M.D (NPI 1225021041) is an individual family medicine provider in Baldwin Park, California, licensed in California (A83914) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Heng Long Chhay M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Heng Long Chhay reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baldwin Park, CA 91706
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALDWIN PARK, CA 91706
BALDWIN PARK, CA 91706
BALDWIN PARK, CA 91706
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Heng Long Chhay's NPI number?
The NPI number for Heng Long Chhay is 1225021041. It was assigned to this individual provider in the NPPES registry on August 26, 2005.
Where is Heng Long Chhay located?
Heng Long Chhay practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. The listed phone number is (800) 780-1277.
What is Heng Long Chhay's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Heng Long Chhay enrolled in Medicare?
Yes. Heng Long Chhay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Heng Long Chhay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heng Long Chhay reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Baldwin Park, CA) and Healthcare Partners Affiliates Medical Group (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Heng Long Chhay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Heng Long Chhay was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Heng Long Chhay, M.D · NPI 1225021041
Family Medicine physician in Baldwin Park, California. Individual provider, active in the CMS NPPES registry since August 26, 2005.
## Identity
- **NPI:** 1225021041 (Entity type: Individual)
- **Enumerated:** August 26, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A83914 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1011 BALDWIN PARK BLVD, Baldwin Park, CA 91706-5806
- **Phone:** (800) 780-1277
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1770515280, Baldwin Park, CA); Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** December 3, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1225021041) · Data from the CMS NPPES public registry.