J Am Coll Surg
Cholecystectomy, LaparoscopicLength of StayPostoperative Complications
Dr. Winston Ming Tak Chan, MD
NPI1942556485PAC ID8325323801
- Medicare services, 2024
- 390
- Medicare patients, 2024
- 202
- Part D claims, 2024
- 378
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 1001 Waldrop Suite 705, Arlington, TX 76012
- Practice phone
- Call (817) 265-4844
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Texas GI Center
Surgery Center - Medicare-Certified · Arlington, Texas
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Dr. Winston Ming Tak Chan is a general surgeon in Arlington, Texas
Dr. Chan practices at North Texas GI Center in Arlington, Texas.
Dr. Chan's NPI, 1942556485, was assigned on August 2, 2012. Dr. Chan graduated from University Of Cincinnati College Of Medicine in 2011. Dr. Chan holds Texas license Q9310.
NPI and contact details
- NPI
- 1942556485NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325323801
- NPI enumeration date
- August 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (817) 265-4844
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Winston Ming Tak Chan practices at North Texas GI Center in Arlington, Texas
Dr. Chan's primary practice is North Texas GI Center, at 1001 Waldrop Suite 705, Arlington, TX 76012. The practice phone is (817) 265-4844.
- North Texas GI Center1001 Waldrop Suite 705, Arlington, TX 76012Phone(817) 265-4844
Source: Dmand AI Affiliation Data
Dr. Winston Ming Tak Chan is affiliated with 4 sites of care and 2 medical groups
Dr. Chan's primary practice is North Texas GI Center in Arlington, Texas. Dr. Chan is also affiliated with Texas Health Arlington Memorial Hospital. The medical group on file is Texas Health Physicians Group. Dmand AI also links Dr. Chan to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
North Texas GI CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Winston Ming Tak Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Texas GI Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Winston Ming Tak Chan is one of 1,939 general surgeons in Texas
Surgery is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chan is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dr. Chan is licensed in Texas.
Specialties and state licenses
- Surgery, TexasPrimary
Clinical focus
Dmand AI lists abdominal adhesion surgery, acute gallbladder or bile duct inflammation, appendectomy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal, groin hernia surgery and hemorrhoids among the conditions Dr. Chan treats.
General surgeons near Dr. Chan
Counts of general surgeons 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. Winston Ming Tak Chan billed Medicare for 390 services in 2024
CMS data shows 390 Medicare services from Dr. Chan across 10 procedure codes in 2024, for 202 Medicare patients. Medicare paid $37,890 for them.
Medicare services, 2024390
Medicare patients202
Paid by Medicare$37,890
Procedure codes10
Dr. Chan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4502024: 37018%
- Surgery
- 2023: 282024: 2029%
- Imaging
- 2023: 172024: 0100%
Where Dr. Chan's Medicare services took place, 2024
- In an office21455%
- In a facility17645%
Dr. Chan compared with the Texas median for general surgeons, 2024
- Dr. Chan
- Texas median
- Medicare services
- 390vs 1183.3 times
- Medicare patients
- 202vs 972.1 times
- Part D claims
- 292vs 427.0 times
Medians across 1,674 general surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Chan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chan and other general surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Winston Ming Tak Chan treated 202 Medicare patients in 2024, average age 74
CMS counts 202 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chan's median patient age at 63, with 53% women.
Medicare patients, 2024202
Average age74
Average risk score1.88
Also on Medicaid19%
Dr. Chan's Medicare patients by age, 2024
Dr. Chan's Medicare patients by sex, 2024
- Women10451%
- Men9849%
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes46%
- Chronic kidney disease39%
- Ischemic heart disease37%
- Mood disorders34%
- Heart failure32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Winston Ming Tak Chan wrote 378 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 378 Medicare Part D claims for 175 patients. 92% of them were for generic drugs. CMS names the drug for 292 of them, across 7 drugs with 11 or more claims each, at $5,495 in total drug cost. In 2023, CMS named 205 claims across 6 drugs.
Part D claims, 2024378
Drugs named by CMS7
Total drug cost$5,495
Part D patients175
Dr. Chan's Part D claims by kind of drug, 2024
- Generic347 claims92%
- Brand-name31 claims8%
Dr. Chan'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. Chan's Part D claims, 2024
- Opioids36%137 of 378 claims
- Antibiotics28%105 of 378 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: 2052024: 29242%
Drugs named by CMS: 7 in 2024, 6 in 2023.
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. Winston Ming Tak Chan ranks in the 85th percentile for hernia repair (minimally invasive) in Medicare
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of hernia repair (minimally invasive) by Dr. Chan, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chan ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 85th percentile17 procedures
- Colonoscopy
- 43rd percentile13 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 43rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Winston Ming Tak Chan has 2 publications on record
Dmand AI links 2 papers to Dr. Chan in 2014. Dr. Chan's most frequent co-authors are Steven R. Gammon, MD, Lillian S. Kao, MD and Tien C. Ko, MD.
Papers2
Dr. Chan's most frequent co-authors
Recent publications by Dr. Chan
BracesDisease ProgressionEquipment Design
See who Dr. Chan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chan works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Winston Ming Tak Chan received $217,891 in industry payments from 2016 to 2025
CMS Open Payments shows 319 general payments to Dr. Chan from 28 drug and device companies from 2016 to 2025. Education make up the largest share, 72% of the total. Intuitive Surgical, Inc. paid the most, $183,079.
General payments to Dr. Chan by program year, 2016 to 2025
General payments to Dr. Chan by kind, 2016 to 2025
$217.9Kin total
- Education$156,25072%
- Consulting fees$25,35012%
- Travel and lodging$22,50410%
- Food and beverage$12,6686%
- Other$1,1191%
Companies that paid Dr. Chan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Winston Ming Tak Chan graduated from University Of Cincinnati College Of Medicine
Dr. Chan graduated from University Of Cincinnati College Of Medicine in 2011. Dr. Chan is a member of ACS and ASCRS.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Winston Ming Tak Chan accepts plans from 23 insurance carriers
Dr. Chan is in network with 23 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Elevance
- HCSC
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +15 more carriersWith a free account
Plan types Dr. Chan accepts, by number of carriers
- PPO14
- HMO13
- Medicare9
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Winston Ming Tak Chan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Winston Ming Tak Chan
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. Winston Ming Tak Chan's NPI number?
Dr. Winston Ming Tak Chan's NPI number is 1942556485. It was assigned on August 2, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Winston Ming Tak Chan?
Dr. Winston Ming Tak Chan is a general surgeon in Arlington, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Winston Ming Tak Chan practice?
Dr. Chan practices at 1001 Waldrop Suite 705, Arlington, TX 76012. Dr. Chan's primary practice is North Texas GI Center in Arlington, Texas. Dmand AI also links Dr. Chan to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Winston Ming Tak Chan's office phone number?
The practice phone on file for Dr. Chan is (817) 265-4844.
What is Dr. Winston Ming Tak Chan's medical license number?
Dr. Chan holds Texas license Q9310.
Which hospitals is Dr. Winston Ming Tak Chan affiliated with?
Dr. Chan is affiliated with Texas Health Arlington Memorial Hospital. Dmand AI links Dr. Chan to 1 more hospital.
What medical group is Dr. Winston Ming Tak Chan part of?
Dr. Chan is linked to Texas Health Physicians Group. Dmand AI links Dr. Chan to 1 more medical group.
Does Dr. Winston Ming Tak Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 390 services in 2024, and Dr. Chan accepts Medicare assignment.
How many Medicare patients does Dr. Winston Ming Tak Chan see?
CMS counts 202 Medicare patients who saw Dr. Chan in 2024, with an average age of 74.
Is Dr. Winston Ming Tak Chan board certified?
Yes. Dr. Chan is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
Show 8 more questionsShow fewer questions
What services does Dr. Winston Ming Tak Chan bill to Medicare?
In 2024, Dr. Chan's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and office visit, new patient (99205).
Where did Dr. Winston Ming Tak Chan go to medical school?
Dr. Chan graduated from University Of Cincinnati College Of Medicine in 2011.
What drugs does Dr. Winston Ming Tak Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Sod Sulf-Potass Sulf-Mag Sulf and Neomycin Sulfate.
Has Dr. Winston Ming Tak Chan received payments from drug or device companies?
CMS Open Payments shows $217,891 in general payments to Dr. Chan from 28 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Winston Ming Tak Chan been practicing?
Dr. Chan graduated from medical school in 2011, 15 years ago.
Does Dr. Winston Ming Tak Chan do research?
Dmand AI links 2 publications to Dr. Chan.
Who does Dr. Winston Ming Tak Chan publish with?
Dr. Chan's most frequent co-authors are Steven R. Gammon, MD (1 shared paper), Lillian S. Kao, MD (1 shared paper) and Tien C. Ko, MD (1 shared paper).
What insurance does Dr. Winston Ming Tak Chan accept?
Dr. Chan is in network with 23 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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