Dr. Ton That Chieu, MD

  • Takoma Park, MD
  • General practice physician
NPI1215039391
Medicare services, 2024
339
Medicare patients, 2026
185
Part D claims, 2026
5,373
Publications
1
Affiliated sites
4
Practice address
7505 New Hampshire Ave Ste 310 Suite 310, Takoma Park, MD 20912-6972
Practice phone
Call (301) 445-4100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ton That Chieu

Primary care practice · Takoma Park, Maryland

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Dr. Ton That Chieu is a general practice physician in Takoma Park, Maryland

Dr. Chieu practices at Ton That Chieu in Takoma Park, Maryland.

Dr. Chieu's NPI, 1215039391, was assigned on September 1, 2006. Dr. Chieu graduated from University of Oklahoma College of Medicine in 1978. Dr. Chieu holds Maryland license D0023429.

NPI and contact details
NPI enumeration date
September 1, 2006
NPI status
Active
Practice phone
(301) 445-4100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Ton That Chieu practices at Ton That Chieu in Takoma Park, Maryland

Dr. Chieu's primary practice is Ton That Chieu, at 7505 New Hampshire Ave Ste 310 Suite 310, Takoma Park, MD 20912-6972. The practice phone is (301) 445-4100.

  • Ton That Chieu
    7505 New Hampshire Ave Ste 310 Suite 310, Takoma Park, MD 20912-6972Phone(301) 445-4100

Source: Dmand AI Affiliation Data

Dr. Ton That Chieu is affiliated with 4 sites of care and 1 medical group

Dr. Chieu's primary practice is Ton That Chieu in Takoma Park, Maryland. Dmand AI also links Dr. Chieu to 2 home health agencies, 1 skilled nursing facility and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Chieu

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ton That Chieu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chieu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ton That ChieuAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ton That Chieu is one of 154 general practice physicians in Maryland

General practice is Dr. Chieu's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Chieu is licensed in Maryland.

Specialties and state licenses

  • General practice, MarylandPrimaryLicense D0023429 · taxonomy 208D00000X

General practice physicians near Dr. Chieu

Counts of general practice 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. Ton That Chieu billed Medicare for 339 services in 2024

CMS data shows 339 Medicare services from Dr. Chieu across 3 procedure codes in 2024, for 185 Medicare patients. Medicare paid $18,398 for them. Every service was in an office.

Medicare services, 2024339
Medicare patients185
Paid by Medicare$18,398
Procedure codes3

Dr. Chieu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3892024: 25933%
Surgery
2023: 332024: 4948%
Other services
2023: 282024: 3111%
Tests and treatments
2023: 122024: 0100%

Dr. Chieu compared with the Maryland median for general practice physicians, 2024

  • Dr. Chieu
  • Maryland median
Medicare services
339vs 38512% below
Medicare patients
185vs 180Close to median
Part D claims
4,944vs 11244.1 times

Medians across 85 general practice physicians in Maryland with Dmand AI profiles that report each measure.

Dr. Chieu's most billed Medicare procedure codes, 2024

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. Ton That Chieu treated 185 Medicare patients in 2026, average age 77

CMS counts 185 Medicare patients who saw Dr. Chieu in 2026. The largest group is 75 to 84, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chieu's median patient age at 65, with 53% women.

Medicare patients, 2026185
Average age77
Average risk score0.95
Also on Medicaid69%

Dr. Chieu's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Dr. Chieu's Medicare patients by sex, 2026

  • Women12568%
  • Men6032%

Chronic conditions among Dr. Chieu's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes45%
  4. Arthritis29%
  5. Chronic kidney disease16%
  6. Ischemic heart disease9%
  7. Asthma8%
  8. COPD6%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chieu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women53%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Ton That Chieu wrote 5,373 Medicare Part D claims in 2026

In 2026, Dr. Chieu wrote 5,373 Medicare Part D claims for 470 patients. 91% of them were for generic drugs. CMS names the drug for 4,944 of them, across 81 drugs with 11 or more claims each, at $336,162 in total drug cost. In 2023, CMS named 4,442 claims across 75 drugs.

Part D claims, 20265,373
Drugs named by CMS81
Total drug cost$336,162
Part D patients470

Dr. Chieu's Part D claims by kind of drug, 2026

  • Generic4,898 claims91%
  • Brand-name453 claims8%
  • Other22 claims0%

Dr. Chieu's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Chieu's Part D claims, 2026

  • Opioids0%22 of 5,373 claims
  • Antibiotics1%78 of 5,373 claims
  • Antipsychotics, patients 65 and over1%30 of 5,373 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,4422024: 4,94411%

Drugs named by CMS: 81 in 2024, 75 in 2023.

See all prescribing by Dr. Chieu

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

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Dr. Ton That Chieu has 1 publication on record

Dmand AI links 1 paper to Dr. Chieu. Dr. Chieu's most frequent co-authors are Kashif A. Firozvi, MD and Margaret Elena Gatti-Mays, MD.

Papers1

Dr. Chieu's most frequent co-authors

Recent publications by Dr. Chieu

See all 1 publications and co-authors

See who Dr. Chieu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chieu works with, so you can find a warm path to the right general practice physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ton That Chieu graduated from University of Oklahoma College of Medicine

Dr. Chieu graduated from University of Oklahoma College of Medicine in 1978.

  1. Medical schoolUniversity of Oklahoma College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ton That Chieu'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
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
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
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. Ton That Chieu

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. Ton That Chieu's NPI number?

Dr. Ton That Chieu's NPI number is 1215039391. It was assigned on September 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ton That Chieu?

Dr. Ton That Chieu is a general practice physician in Takoma Park, Maryland. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Ton That Chieu practice?

Dr. Chieu practices at 7505 New Hampshire Ave Ste 310 Suite 310, Takoma Park, MD 20912-6972. Dr. Chieu's primary practice is Ton That Chieu in Takoma Park, Maryland. Dmand AI also links Dr. Chieu to 2 home health agencies, 1 skilled nursing facility and 1 medical group, and a free account names each one.

What is Dr. Ton That Chieu's office phone number?

The practice phone on file for Dr. Chieu is (301) 445-4100. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Ton That Chieu's email address?

Dmand AI checks professional and personal email addresses for Dr. Chieu through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Ton That Chieu's medical license number?

Dr. Chieu holds Maryland license D0023429.

What medical group is Dr. Ton That Chieu part of?

Dmand AI links Dr. Chieu to 1 medical group. A free account names the group, with the clinicians and leaders there.

Does Dr. Ton That Chieu accept Medicare?

Yes. CMS data shows Dr. Chieu billed Medicare for 339 services in 2024.

How many Medicare patients does Dr. Ton That Chieu see?

CMS counts 185 Medicare patients who saw Dr. Chieu in 2026, with an average age of 77.

What services does Dr. Ton That Chieu bill to Medicare?

In 2024, Dr. Chieu's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and medicare service (G0439).

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Where did Dr. Ton That Chieu go to medical school?

Dr. Chieu graduated from University of Oklahoma College of Medicine in 1978.

What drugs does Dr. Ton That Chieu prescribe most?

In 2024 Medicare Part D data, Dr. Chieu's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Metformin HCl.

How long has Dr. Ton That Chieu been practicing?

Dr. Chieu graduated from medical school in 1978, 48 years ago.

Does Dr. Ton That Chieu do research?

Dmand AI links 1 publication to Dr. Chieu.

Who does Dr. Ton That Chieu publish with?

Dr. Chieu's most frequent co-authors are Kashif A. Firozvi, MD (1 shared paper) and Margaret Elena Gatti-Mays, MD (1 shared paper).

What EHR does Dr. Ton That Chieu's practice use?

Dmand AI tracks the EHR system at Ton That Chieu and at 3 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.

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