NPPES file of Aug 9, 2026

Charlie T. Chan

Internal Medicine Physician · El Monte, CA

Charlie T. Chan is an internal medicine physician with a practice address in El Monte, California, and NPI 1396857348, issued on Aug 31, 2006. Check the license (California A70296, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396857348
Name
Charlie T. Chan
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A70296 CA
Self-reported in NPPES; status is on the state search
Practice location
10953 Ramona Blvd, El Monte, CA 91731
Phone
(626) 579-8463
Enumerated
Aug 31, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110126000257); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10953 Ramona Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gloria Aguilar, REGISTER NURSEAmbulatory Care Registered Nurse1043740731
  2. Sandra AlarconLicensed Vocational Nurse1952160756
  3. Juliana Alcaraz, RNRegistered Nurse1235902776
  4. Sonia Aleman, RNRegistered Nurse1023875853
  5. Everdina AlisangcoPediatrics Physician1649382219
  6. Joseph Allevato, MDFamily Medicine Physician1922148790

Verify Charlie T. Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A70296
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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51% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,541 Medicare Part D claims for 141 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Charlie Chan1,541
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium132 claims
  2. Amlodipine Besylate102 claims
  3. Metformin Hcl90 claims
  4. Losartan Potassium78 claims
  5. Glipizide66 claims
  6. Benazepril Hcl60 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

  1. County OF Los AngelesEl Monte, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

25 internal medicine physician records list a practice address in El Monte

They are 25 of the 1,528 NPPES records with a practice address in El Monte, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Charlie T. Chan's NPI number?

Charlie T. Chan's National Provider Identifier (NPI) is 1396857348, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charlie T. Chan located?

The NPPES record lists a practice address at 10953 Ramona Blvd, El Monte, CA, 91731. Phone: (626) 579-8463. Providers update this record themselves, so call before visiting.

How can I verify Charlie T. Chan's license?

NPPES lists California license number A70296, 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 Charlie T. Chan prescribe under Medicare Part D?

In 2024, Charlie T. Chan had 1,541 Medicare Part D claims for 141 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.