Randall Chan, MD
NPI 1265969273 · Internal Medicine Physician · Monterey Park, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randall Chan, MD is a Internal Medicine Physician provider in Monterey Park, CA (NPI 1265969273).
Provider details
- NPI number
- 1265969273
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A170949 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 39 | 20 |
| Amlodipine Besylate | 25 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 12 |
| Diclofenac Sodium | 14 | — |
| Losartan Potassium | 13 | — |
| Furosemide | 12 | — |
| Glimepiride | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-22
- Last updated
- 2022-11-12
- Certified
- 2022-11-12
Frequently asked questions
- What is Randall Chan's NPI number?
- Randall Chan's National Provider Identifier (NPI) is 1265969273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randall Chan's specialty?
- Randall Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randall Chan located?
- Randall Chan's practice location on file with NPPES is 525 N Garfield Ave, Monterey Park, CA 91754-1202.
- What is Randall Chan's phone number?
- The practice phone number listed in the NPPES registry for Randall Chan is (626) 573-2222.
- Does Randall Chan accept Medicare?
- Randall Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randall Chan's NPI active?
- Yes — Randall Chan's NPI (1265969273) is active in the NPPES registry as of the last update on 2022-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.