Dr. Don Charoen, DO

  • San Diego, CA
  • Emergency medicine physician
NPI1720155542
Medicare services, 2022
68
Part D claims, 2021
98
Affiliated sites
1
Medical group
1
State license
1
Practice address
16950 Via Tazon, San Diego, CA 92127-1607
Practice phone
Call (858) 499-2600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Rees-stealy Medical Group - San Diego (Via Tazon)

Multi-specialty group site · San Diego, California

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Dr. Don Charoen is an emergency medicine physician in San Diego, California

Dr. Charoen practices at Sharp Rees-stealy Medical Group - San Diego (Via Tazon) in San Diego, California.

Dr. Charoen's NPI, 1720155542, was assigned on November 29, 2006. Dr. Charoen holds California license 20A7943.

NPI and contact details
NPI enumeration date
November 29, 2006
NPI status
Active
Practice phone
(858) 499-2600
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Don Charoen practices at Sharp Rees-stealy Medical Group - San Diego (Via Tazon) in San Diego, California

Dr. Charoen's primary practice is Sharp Rees-stealy Medical Group - San Diego (Via Tazon), at 16950 Via Tazon, San Diego, CA 92127-1607. The practice phone is (858) 499-2600.

  • Sharp Rees-stealy Medical Group - San Diego (Via Tazon)
    16950 Via Tazon, San Diego, CA 92127-1607Phone(858) 499-2600

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Don Charoen is affiliated with 1 site of care and 1 medical group

Dr. Charoen's primary practice is Sharp Rees-stealy Medical Group - San Diego (Via Tazon) in San Diego, California. The medical group on file is Sharp Rees-Stealy Medical Group.

Sharp Rees-stealy Medical Group - San Diego (Via Tazon)Multi-specialty group site · San Diego, CaliforniaPrimary
Sharp Rees-Stealy Medical GroupPrimary care group, San Diego, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Don Charoen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Charoen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Rees-stealy Medical Group - San Diego (Via Tazon)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Don Charoen is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Charoen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Charoen is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 20A7943 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Charoen

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Don Charoen billed Medicare for 68 services in 2022

CMS data shows 68 Medicare services from Dr. Charoen across 3 procedure codes in 2022. Medicare paid $2,648 for them. Every service was in an office.

Medicare services, 202268
Paid by Medicare$2,648
Procedure codes3

Dr. Charoen's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 1832022: 5769%
Lab and pathology
2021: 222022: 1150%

Dr. Charoen compared with the California median for emergency medicine physicians, 2022

  • Dr. Charoen
  • California median
Medicare services
68vs 26574% below
Part D claims
98vs 6258% above

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Charoen's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Don Charoen wrote 98 Medicare Part D claims in 2021

In 2021, Dr. Charoen wrote 98 Medicare Part D claims. They cover 6 drugs, with $874 in total drug cost. In 2020, CMS named 28 claims across 1 drug.

Part D claims, 202198
Drugs named by CMS6
Total drug cost$874

Dr. Charoen's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 282021: 98250%

Drugs named by CMS: 6 in 2021, 1 in 2020.

See all prescribing by Dr. Charoen

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Sources for Dr. Don Charoen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Don Charoen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Don Charoen's NPI number?

Dr. Don Charoen's NPI number is 1720155542. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Don Charoen?

Dr. Don Charoen is an emergency medicine physician in San Diego, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Don Charoen practice?

Dr. Charoen practices at 16950 Via Tazon, San Diego, CA 92127-1607. Dr. Charoen's primary practice is Sharp Rees-stealy Medical Group - San Diego (Via Tazon) in San Diego, California.

What is Dr. Don Charoen's office phone number?

The practice phone on file for Dr. Charoen is (858) 499-2600.

What is Dr. Don Charoen's medical license number?

Dr. Charoen holds California license 20A7943.

What medical group is Dr. Don Charoen part of?

Dr. Charoen is linked to Sharp Rees-Stealy Medical Group.

Does Dr. Don Charoen accept Medicare?

Yes. CMS data shows Dr. Charoen billed Medicare for 68 services in 2022.

What services does Dr. Don Charoen bill to Medicare?

In 2022, Dr. Charoen's most billed Medicare services were office visit, established patient (99213), lab and pathology test (81003) and office visit, established patient (99214).

What drugs does Dr. Don Charoen prescribe most?

In 2021 Medicare Part D data, Dr. Charoen's most prescribed drugs by claims were Cephalexin, Diclofenac Sodium and Methylprednisolone.

How long has Dr. Don Charoen been practicing?

Dr. Charoen's NPI was assigned in 2006.

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