Dr. Myung W. Choi, MD

  • Manassas, VA
  • Gastroenterologist
NPI1023057445PAC ID0749220853
Medicare services, 2024
419
Medicare patients, 2024
308
Part D claims, 2024
560
Clinical trials
2
Hospital affiliations
4
Practice address
8640 Sudley Rd, Manassas, VA 20110
Practice phone
Call (571) 248-0653
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Colon Stomach & Liver Center

Manassas, Virginia

See all 7 affiliations

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Dr. Myung W. Choi is a gastroenterologist in Manassas, Virginia

Dr. Choi practices at Colon Stomach & Liver Center in Manassas, Virginia.

Dr. Choi's NPI, 1023057445, was assigned on June 5, 2006. Dr. Choi graduated from VCU School of Medicine in 1995. Dr. Choi holds Virginia license 0101055262.

NPI and contact details
Medicare PAC ID
0749220853
NPI enumeration date
June 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(571) 248-0653
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Myung W. Choi practices at Colon Stomach & Liver Center in Manassas, Virginia

Dr. Choi's primary practice is Colon Stomach & Liver Center, at 8640 Sudley Rd, Manassas, VA 20110 in Manassas City. The practice phone is (571) 248-0653.

  • Colon Stomach & Liver Center
    8640 Sudley Rd, Manassas, VA 20110 · Manassas CityPhone(571) 248-0653

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Myung W. Choi is affiliated with 6 sites of care and 1 medical group

Dr. Choi's primary practice is Colon Stomach & Liver Center in Manassas, Virginia. Dr. Choi is also affiliated with UVA Health Prince William Medical Center. The medical group on file is Gastroenterology Associates. Dmand AI also links Dr. Choi to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Choi

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

Dmand AI tracks the EHR system at Dr. Myung W. Choi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Colon Stomach & Liver CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Myung W. Choi is one of 494 gastroenterologists in Virginia

Gastroenterology is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Choi is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Choi's licenses on file in 3 states: Virginia, New York and Connecticut.

Specialties and state licenses

  • Gastroenterology, VirginiaPrimaryLicense 0101055262 · 1997 to 2026 · taxonomy 207RG0100X
  • New York license2004 to 2006
  • Connecticut license2001 to 2005

Clinical focus

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, fatty liver, gastroduodenitis, gastroenteritis, gastrointestinal bleeding and hemorrhoids among the conditions Dr. Choi treats.

Gastroenterologists near Dr. Choi

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

494gastroenterologists in Virginia
2gastroenterologists in Manassas

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

Dr. Myung W. Choi billed Medicare for 419 services in 2024

CMS data shows 419 Medicare services from Dr. Choi across 11 procedure codes in 2024, for 308 Medicare patients. Medicare paid $44,131 for them.

Medicare services, 2024419
Medicare patients308
Paid by Medicare$44,131
Procedure codes11

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

  • 2023
  • 2024
Surgery
2023: 2602024: 23012%
Office and hospital visits
2023: 1472024: 1461%
Other services
2023: 472024: 439%

Where Dr. Choi's Medicare services took place, 2024

  • In an office14635%
  • In a facility27365%

Dr. Choi compared with the Virginia median for gastroenterologists, 2024

  • Dr. Choi
  • Virginia median
Medicare services
419vs 52420% below
Medicare patients
308vs 36215% below
Part D claims
406vs 29040% above

Medians across 484 gastroenterologists in Virginia with Dmand AI profiles that report each measure.

Dr. Choi'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.

See all procedures by Dr. Choi

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

Dr. Myung W. Choi treated 308 Medicare patients in 2024, average age 73

CMS counts 308 Medicare patients who saw Dr. Choi in 2024. The largest group is 65 to 74, with 164 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Choi's median patient age at 60, with 51% women.

Medicare patients, 2024308
Average age73
Average risk score0.93
Also on Medicaid5%

Dr. Choi's Medicare patients by age, 2024

Dr. Choi's Medicare patients by sex, 2024

  • Women16253%
  • Men14647%

Chronic conditions among Dr. Choi's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis49%
  4. Diabetes25%
  5. Ischemic heart disease24%
  6. Chronic kidney disease20%
  7. Anxiety19%
  8. Atrial fibrillation15%

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

Dr. Choi's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Myung W. Choi wrote 560 Medicare Part D claims in 2024

In 2024, Dr. Choi wrote 560 Medicare Part D claims for 138 patients. 84% of them were for generic drugs. CMS names the drug for 406 of them, across 8 drugs with 11 or more claims each, at $51,655 in total drug cost. In 2023, CMS named 385 claims across 11 drugs.

Part D claims, 2024560
Drugs named by CMS8
Total drug cost$51,655
Part D patients138

Dr. Choi's Part D claims by kind of drug, 2024

  • Generic470 claims84%
  • Brand-name90 claims16%

Dr. Choi'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. Choi's Part D claims, 2024

  • Antibiotics3%17 of 560 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: 3852024: 4065%

Drugs named by CMS: 8 in 2024, 11 in 2023.

See all prescribing by Dr. Choi

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

Dr. Myung W. Choi ranks in the 75th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Choi as offering telehealth. CMS counts 93 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Choi, more than 75% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Choi ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
75th percentile93 procedures
Colonoscopy
73rd percentile76 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Myung W. Choi has worked on 2 clinical trials

Dmand AI links Dr. Choi to 2 clinical trials. Conditions studied include Colitis, Ulcerative and Colitis. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Choi that name 1 trial.

Conditions in Dr. Choi's trials

  • Colitis, Ulcerative
  • Colitis

Investigators on the most trials with Dr. Choi

Recent clinical trials with Dr. Choi

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Myung W. Choi received $37,028 in industry payments from 2016 to 2025

CMS Open Payments shows 260 general payments to Dr. Choi from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 70% of the total. Allergan Inc. paid the most, $23,465. It also lists 2 research payments totaling $830 from 2019 to 2021, naming 1 clinical trial.

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

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

$37Kin total
  • Speaker and faculty fees$25,77570%
  • Food and beverage$6,65418%
  • Travel and lodging$4,13011%
  • Consulting fees$4501%
  • Education$190%

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

Share is of all general payments to this clinician.

See all payments to Dr. Choi

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

Dr. Myung W. Choi has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Choi, most recently Northern VA Top Doctor in 2020.

Awards and honors for Dr. Choi

  1. 2020
    • Northern VA Top Doctor
  2. 2016
    • Top Doctor
  3. 2011
    • CMS Stage 1 2012
  4. 2005
    • Best Physician Teacher

Source: Dmand AI Professional Profile Data

Dr. Myung W. Choi graduated from VCU School of Medicine

Dr. Choi graduated from VCU School of Medicine in 1995. Dr. Choi is a member of American Society of Gastrointestinal Endoscopy.

  1. Medical schoolVCU School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Myung W. Choi accepts plans from 16 insurance carriers

Dr. Choi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Choi accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Myung W. Choi'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Myung W. Choi

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. Myung W. Choi's NPI number?

Dr. Myung W. Choi's NPI number is 1023057445. It was assigned on June 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Myung W. Choi?

Dr. Myung W. Choi is a gastroenterologist in Manassas, Virginia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Myung W. Choi practice?

Dr. Choi practices at 8640 Sudley Rd, Manassas, VA 20110. Dr. Choi's primary practice is Colon Stomach & Liver Center in Manassas, Virginia. Dmand AI also links Dr. Choi to 3 hospitals and 1 group practice or clinic.

What is Dr. Myung W. Choi's office phone number?

The practice phone on file for Dr. Choi is (571) 248-0653.

What is Dr. Myung W. Choi's medical license number?

Dr. Choi holds Virginia license 0101055262, one of the licenses on file in 3 states.

Which states has Dr. Myung W. Choi been licensed in?

Dmand AI has state licenses on file for Dr. Choi in Virginia (1997 to 2026), New York (2004 to 2006) and Connecticut (2001 to 2005).

Which hospitals is Dr. Myung W. Choi affiliated with?

Dr. Choi is affiliated with UVA Health Prince William Medical Center. Dmand AI links Dr. Choi to 3 more hospitals.

What medical group is Dr. Myung W. Choi part of?

Dr. Choi is linked to Gastroenterology Associates.

Does Dr. Myung W. Choi accept Medicare?

Yes. CMS data shows Dr. Choi billed Medicare for 419 services in 2024, and Dr. Choi accepts Medicare assignment.

Does Dr. Myung W. Choi offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Choi as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Myung W. Choi see?

CMS counts 308 Medicare patients who saw Dr. Choi in 2024, with an average age of 73.

Is Dr. Myung W. Choi board certified?

Yes. Dr. Choi is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Myung W. Choi bill to Medicare?

In 2024, Dr. Choi's most billed Medicare services were surgery: digestive system (45380), office visit, established patient (99214) and surgery: digestive system (43239).

Where did Dr. Myung W. Choi go to medical school?

Dr. Choi graduated from VCU School of Medicine in 1995.

What drugs does Dr. Myung W. Choi prescribe most?

In 2024 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Ondansetron HCl.

Has Dr. Myung W. Choi received payments from drug or device companies?

CMS Open Payments shows $37,028 in general payments to Dr. Choi from 31 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. Myung W. Choi been practicing?

Dr. Choi graduated from medical school in 1995, 31 years ago.

Does Dr. Myung W. Choi do research?

Dr. Choi has worked on 2 clinical trials.

What insurance does Dr. Myung W. Choi accept?

Dr. Choi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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