Charlie Chan
NPI 1396857348 · Internal Medicine Physician · El Monte, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlie Chan is a Internal Medicine Physician provider in El Monte, CA (NPI 1396857348).
Provider details
- NPI number
- 1396857348
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A70296 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
448 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 | 161 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 124 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 46 | $62 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 37 | $13 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 29 | $8 |
| Hemoglobin A1c Level83036 | 29 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 132 | 48 |
| Amlodipine Besylate | 102 | 38 |
| Metformin Hcl | 90 | 30 |
| Losartan Potassium | 78 | 27 |
| Glipizide | 66 | 23 |
| Benazepril Hcl | 60 | 22 |
| Gabapentin | 46 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-09
Frequently asked questions
- What is Charlie Chan's NPI number?
- Charlie Chan's National Provider Identifier (NPI) is 1396857348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlie Chan's specialty?
- Charlie Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charlie Chan located?
- Charlie Chan's practice location on file with NPPES is 10953 Ramona Blvd, El Monte, CA 91731-2629.
- What is Charlie Chan's phone number?
- The practice phone number listed in the NPPES registry for Charlie Chan is (626) 579-8463.
- Does Charlie Chan accept Medicare?
- Charlie Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlie Chan's NPI active?
- Yes — Charlie Chan's NPI (1396857348) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.