Heng Long Chhay, M.D
NPI 1225021041 · Family Medicine Physician · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heng Long Chhay, M.D is a Family Medicine Physician provider in Baldwin Park, CA (NPI 1225021041).
Provider details
- NPI number
- 1225021041
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- A83914 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
17 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $94 |
Typical Medicare-allowed amounts for these services range $94–$94 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 586 | 221 |
| Losartan Potassium | 340 | 124 |
| Amlodipine Besylate | 328 | 131 |
| Metformin Hcl | 190 | 74 |
| Glipizide | 178 | 69 |
| Lisinopril | 175 | 76 |
| Tamsulosin Hcl | 155 |
Practice location
Mailing address
Additional practice locations (1)
- 6000 N Figueroa StLos Angeles, CA 90042-4232Phone: (323) 254-5291Fax: (323) 254-9026
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2021-12-03
- Certified
- 2020-02-18
Frequently asked questions
- What is Heng Long Chhay's NPI number?
- Heng Long Chhay's National Provider Identifier (NPI) is 1225021041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heng Long Chhay's specialty?
- Heng Long Chhay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heng Long Chhay located?
- Heng Long Chhay's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Heng Long Chhay's phone number?
- The practice phone number listed in the NPPES registry for Heng Long Chhay is (800) 780-1277.
- Does Heng Long Chhay accept Medicare?
- Heng Long Chhay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heng Long Chhay's NPI active?
- Yes — Heng Long Chhay's NPI (1225021041) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.