NPPES file of Aug 9, 2026

Don Charoen, DO

Emergency Medicine Physician · San Diego, CA

Don Charoen, DO is an emergency medicine physician with a practice address in San Diego, California, and NPI 1720155542, issued on Nov 29, 2006. Check the license (California 20A7943, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1720155542
Name
Don Charoen
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A7943 CA
Self-reported in NPPES; status is on the state search
Practice location
16950 Via Tazon, San Diego, CA 92127
Phone
(858) 549-9277
Enumerated
Nov 29, 2006
Record last updated
Jun 14, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(858) 521-2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 16950 Via Tazon

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

  1. Amy Abola, M.D.Family Medicine Physician1306854898
  2. Marie Adamson, M.D.Family Medicine Physician1518938950
  3. Lanza AttishaPhysical Therapist1396599874
  4. Stephen Ball, DPTPhysical Therapist1437644044
  5. Stephen Beeson, M.D.Family Medicine Physician1740390186
  6. Christopher Best, DPTPhysical Therapist1942594486

Verify Don Charoen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7943    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

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Don Charoen among 7,751 emergency medicine physician records in California

Don Charoen, DO is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2013 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Marc Kobernick, MDSan Diego, CA 921271629003637
  2. Vu Phan, MDSan Diego, CA 921271902023336
  3. Peter Aldrich, M.D.San Diego, CA 921281013019017
  4. Vikant Gulati, M.D.San Diego, CA 921281306070271
  5. Scott Krishel, M.D.San Diego, CA 921281194837138
  6. Mark Kuhse, M.D.San Diego, CA 921281891896569
  7. Kimberly Longmire, M.D.San Diego, CA 921281518069160
  8. Thomas Moats, M.D.San Diego, CA 921281144237637

Common questions

What is Don Charoen, DO's NPI number?

Don Charoen, DO's National Provider Identifier (NPI) is 1720155542, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Don Charoen, DO located?

The NPPES record lists a practice address at 16950 Via Tazon, San Diego, CA, 92127. Phone: (858) 549-9277. Providers update this record themselves, so call before visiting.

How can I verify Don Charoen, DO's license?

NPPES lists California license number 20A7943, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.