Dr. Hak Choy, MD

  • Dallas, TX
  • Radiation oncologist
NPI1487616462
Medicare services, 2021
13
Publications
207
Clinical trials
17
Hospital affiliations
1
Industry payments
$209,062
Practice address
6201 Harry Hines Blvd, Dallas, TX 75390
Practice phone
Call (214) 633-5555
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Hak Choy is a radiation oncologist in Dallas, Texas

Dr. Choy practices at William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System.

Dr. Choy's NPI, 1487616462, was assigned on April 5, 2006. Dr. Choy graduated from UTMB Health in 1987. Dr. Choy's Texas license number on file is H5508.

NPI and contact details
NPI enumeration date
April 5, 2006
NPI status
Active
Practice phone
(214) 633-5555
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1987

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

Dr. Hak Choy practices at William P. Clements Jr. University Hospital in Dallas, Texas

Dr. Choy's primary practice is William P. Clements Jr. University Hospital, at 6201 Harry Hines Blvd, Dallas, TX 75390 in Dallas County. The practice phone is (214) 633-5555.

Source: Dmand AI Affiliation Data

Dr. Hak Choy is affiliated with 2 sites of care and 1 medical group

Dr. Choy's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. The medical group on file is University of Texas Southwestern Medical Center. Dmand AI also links Dr. Choy to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Choy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Hak Choy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choy practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
William P. Clements Jr. University HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Choy practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Texas System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Hak Choy is one of 401 radiation oncologists in Texas

Radiation oncology is Dr. Choy's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Choy is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Choy's licenses on file in 4 states: Texas, Tennessee, Rhode Island and Ohio.

Specialties and state licenses

  • Radiation oncology, TexasPrimaryLicense H5508 · 1989 to 2022 · taxonomy 2085R0001X
  • Tennessee license1995 to 2004
  • Rhode Island license1992 to 1996
  • Ohio license1988 to 1990

Radiation oncologists near Dr. Choy

Counts of radiation oncologists 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. Hak Choy billed Medicare for 13 services in 2021

CMS data shows 13 Medicare services from Dr. Choy across 1 procedure code in 2021, all of them office visits. Medicare paid $942 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202113
Paid by Medicare$942
Procedure codes1

Dr. Choy's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 592021: 1378%
Imaging
2020: 1852021: 0100%

Dr. Choy compared with the Texas median for radiation oncologists, 2021

  • Dr. Choy
  • Texas median
Medicare services
13vs 1,47299% below

Medians across 370 radiation oncologists in Texas with Dmand AI profiles that report each measure.

Dr. Choy's most billed Medicare procedure codes, 2021

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

See all procedures by Dr. Choy

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Choy and other radiation oncologists in Texas.

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

Dr. Hak Choy's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Choy's median patient age at 62, with 50% women.

Dr. Choy's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

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Dr. Hak Choy has 207 publications on record

Dmand AI links 207 papers to Dr. Choy, published from 2003 to 2022. 2016 was the busiest year, with 9. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and Paclitaxel. Dr. Choy has published most often in Int J Radiat Oncol Biol Phys. Dr. Choy's most frequent co-authors are Robert Dale Timmerman, MD, Ritsuko U. Komaki, MD and Puneeth Iyengar, MD, PhD.

Papers207
Years published2003 to 2022

Dr. Choy's papers by year, 2013 to 2022

Topics Dr. Choy writes about most

  • Lung Neoplasms
  • Carcinoma, Non-Small-Cell Lung
  • Paclitaxel
  • Radiation-Sensitizing Agents
  • Antineoplastic Combined Chemotherapy Protocols
  • Antineoplastic Agents
  • Antineoplastic Agents, Phytogenic
  • Radiosurgery

Dr. Choy's most frequent co-authors

Recent publications by Dr. Choy

See all 207 publications and co-authors

See who Dr. Choy researches with

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

How network discovery works

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

Dr. Hak Choy has worked on 17 clinical trials

Dmand AI links Dr. Choy to 17 clinical trials, 5 of them phase 1/2 studies. 1 is still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Adenocarcinoma of Lung. Radiation Therapy Oncology Group sponsors the most, 5.

Clinical trials with Dr. Choy by phase

  1. 1Phase 1: 1 trial
  2. 5Phase 1/2: 5 trials
  3. 5Phase 2: 5 trials
  4. 5Phase 3: 5 trials
  5. NonePhase 4: no trials

Conditions in Dr. Choy's trials

  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Bronchogenic
  • Adenocarcinoma of Lung
  • Adenocarcinoma, Bronchiolo-Alveolar
  • Lung Neoplasms

Investigators on the most trials with Dr. Choy

Recent clinical trials with Dr. Choy

See all 17 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Hak Choy received $209,062 in industry payments from 2016 to 2025

CMS Open Payments shows 161 general payments to Dr. Choy from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 74% of the total. Merck Sharp & Dohme Corporation paid the most, $83,170.

General payments to Dr. Choy by program year, 2016 to 2025

General payments to Dr. Choy by kind, 2016 to 2025

$209.1Kin total
  • Consulting fees$154,68874%
  • Travel and lodging$30,66415%
  • Honoraria$15,2507%
  • Speaker and faculty fees$6,0003%
  • Other$2,4601%

Companies that paid Dr. Choy the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Choy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Hak Choy has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Choy, most recently America's Top Doctors in 2014. Dr. Choy serves on Definitive and Adjuvant Radiotherapy in Locally Advanced Non-small Cell Lung Cancer Guideline Panel American Society for Radiation Oncology.

Awards and honors for Dr. Choy

  1. 2014
    • America's Top Doctors
  2. 2013
    • America's Top Doctors for Cancer
  3. 2012
    • CMS Stage 1 EHR
  4. Undated
    • Nancy B. and Jake L. Hamon distinguished Chair

Dr. Choy's committees and leadership roles

Definitive and Adjuvant Radiotherapy in Locally Advanced Non-small Cell Lung Cancer Guideline Panel American Society for Radiation OncologyMember
2015 to present

Source: Dmand AI Professional Profile Data

Dr. Hak Choy graduated from UTMB Health

Dr. Choy graduated from UTMB Health in 1987. Dr. Choy is a member of ASCO.

  1. Medical schoolUTMB Health
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Hak Choy accepts plans from 2 insurance carriers

Dr. Choy is in network with 2 carriers, including Cigna and AR State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Cigna
  • AR State Medicaid

Plan types Dr. Choy accepts, by number of carriers

  1. HMO1
  2. Medicaid1
  3. Medicare1
  4. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hak Choy'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 DataDmand AI Org Hierarchy 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 Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Hak Choy

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. Hak Choy's NPI number?

Dr. Hak Choy's NPI number is 1487616462. It was assigned on April 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Hak Choy?

Dr. Hak Choy is a radiation oncologist in Dallas, Texas. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Hak Choy practice?

Dr. Choy practices at 6201 Harry Hines Blvd, Dallas, TX 75390. Dr. Choy's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. Dmand AI also links Dr. Choy to 1 group practice or clinic.

What is Dr. Hak Choy's office phone number?

The practice phone on file for Dr. Choy is (214) 633-5555.

What is Dr. Hak Choy's medical license number?

Dr. Choy's Texas license number on file is H5508, one of the licenses on file in 4 states.

Which states has Dr. Hak Choy been licensed in?

Dmand AI has state licenses on file for Dr. Choy in Texas (1989 to 2022), Tennessee (1995 to 2004), Rhode Island (1992 to 1996) and Ohio (1988 to 1990).

Which hospitals is Dr. Hak Choy affiliated with?

Dr. Choy practices at William P. Clements Jr. University Hospital in Dallas, Texas.

What medical group is Dr. Hak Choy part of?

Dr. Choy is linked to University of Texas Southwestern Medical Center.

Does Dr. Hak Choy accept Medicare?

Yes. CMS data shows Dr. Choy billed Medicare for 13 services in 2021.

Is Dr. Hak Choy board certified?

Yes. Dr. Choy is board certified in radiation oncology by the American Board of Radiology.

Show 7 more questionsShow fewer questions

What services does Dr. Hak Choy bill to Medicare?

In 2021, Dr. Choy's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Hak Choy go to medical school?

Dr. Choy graduated from UTMB Health in 1987.

Has Dr. Hak Choy received payments from drug or device companies?

CMS Open Payments shows $209,062 in general payments to Dr. Choy from 12 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Hak Choy been practicing?

Dr. Choy graduated from medical school in 1987, 39 years ago.

Does Dr. Hak Choy do research?

Dmand AI links 207 publications to Dr. Choy, published from 2003 to 2022. Dr. Choy has worked on 17 clinical trials.

Who does Dr. Hak Choy publish with?

Dr. Choy's most frequent co-authors are Robert Dale Timmerman, MD (45 shared papers), Ritsuko U. Komaki, MD (18 shared papers) and Puneeth Iyengar, MD, PhD (15 shared papers).

What insurance does Dr. Hak Choy accept?

Dr. Choy is in network with 2 carriers, including Cigna and AR State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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