Dr. Anthony Dwayne Williams, MD

  • Wyandotte, MI
  • Gastroenterologist
NPI1245246354PAC ID5395830699
Medicare services, 2024
236
Medicare patients, 2024
205
Part D claims, 2024
1,125
Hospital affiliations
2
Industry payments
$191
Practice address
2333 Biddle Ave, Wyandotte, MI 48192
Practice phone
Call (734) 246-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Ford Wyandotte Hospital

Hospital · Wyandotte, Michigan

See all 10 affiliations

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Dr. Anthony Dwayne Williams is a gastroenterologist in Wyandotte, Michigan

Dr. Williams practices at Henry Ford Wyandotte Hospital in Wyandotte, Michigan, part of Henry Ford Health.

Dr. Williams' NPI, 1245246354, was assigned on July 31, 2006. Dr. Williams graduated from Wayne State University School of Medicine in 1993. Dr. Williams holds Michigan license 4301062274.

NPI and contact details
Medicare PAC ID
5395830699
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(734) 246-6000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Anthony Dwayne Williams practices at Henry Ford Wyandotte Hospital in Wyandotte, Michigan

Dr. Williams' primary practice is Henry Ford Wyandotte Hospital, at 2333 Biddle Ave, Wyandotte, MI 48192 in Wayne County. The practice phone is (734) 246-6000.

Source: Dmand AI Affiliation Data

Dr. Anthony Dwayne Williams is affiliated with 5 sites of care and 5 medical groups

Dr. Williams' primary practice is Henry Ford Wyandotte Hospital in Wyandotte, Michigan, part of Henry Ford Health. Dr. Williams is also affiliated with Henry Ford Hospital. The medical group on file is Henry Ford Wyandotte Hospital. Dmand AI also links Dr. Williams to 4 more medical groups, 2 group practices and clinics and 1 hospital outpatient department, each named with a free account. Dr. Williams' employer is on file too: a hospital.

See all 10 affiliations for Dr. Williams

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

Dmand AI tracks the EHR system at Dr. Anthony Dwayne Williams' practice

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

EHR by site
SiteEHR vendor and product
Henry Ford Wyandotte HospitalAvailable with a free account
+4 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Anthony Dwayne Williams is one of 487 gastroenterologists in Michigan

Gastroenterology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Williams is licensed in Michigan.

Specialties and state licenses

  • Gastroenterology, MichiganPrimaryLicense 4301062274 · taxonomy 207RG0100X

Gastroenterologists near Dr. Williams

Counts of gastroenterologists 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. Anthony Dwayne Williams billed Medicare for 236 services in 2024

CMS data shows 236 Medicare services from Dr. Williams across 10 procedure codes in 2024, for 205 Medicare patients. Medicare paid $24,740 for them.

Medicare services, 2024236
Medicare patients205
Paid by Medicare$24,740
Procedure codes10

Dr. Williams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1042024: 14035%
Surgery
2023: 252024: 64156%
Other services
2023: 422024: 3224%

Where Dr. Williams' Medicare services took place, 2024

  • In an office4619%
  • In a facility19081%

Dr. Williams compared with the Michigan median for gastroenterologists, 2024

  • Dr. Williams
  • Michigan median
Medicare services
236vs 32427% below
Medicare patients
205vs 23011% below
Part D claims
1,038vs 4242.4 times

Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.

Dr. Williams' 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. Williams

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

Dr. Anthony Dwayne Williams treated 205 Medicare patients in 2024, average age 73

CMS counts 205 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.87, 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. Williams' median patient age at 61, with 57% women.

Medicare patients, 2024205
Average age73
Average risk score1.87
Also on Medicaid20%

Dr. Williams' Medicare patients by age, 2024

Dr. Williams' Medicare patients by sex, 2024

  • Women12862%
  • Men7738%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Ischemic heart disease42%
  5. Anxiety41%
  6. Diabetes40%
  7. Chronic kidney disease39%
  8. Heart failure39%

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

Dr. Williams' patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Anthony Dwayne Williams wrote 1,125 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 1,125 Medicare Part D claims for 329 patients. 86% of them were for generic drugs. CMS names the drug for 1,038 of them, across 21 drugs with 11 or more claims each, at $50,194 in total drug cost. In 2023, CMS named 2,505 claims across 28 drugs.

Part D claims, 20241,125
Drugs named by CMS21
Total drug cost$50,194
Part D patients329

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

  • Generic971 claims86%
  • Brand-name154 claims14%

Dr. Williams' 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. Williams' Part D claims, 2024

  • Antibiotics3%29 of 1,125 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: 2,5052024: 1,03859%

Drugs named by CMS: 21 in 2024, 28 in 2023.

See all prescribing by Dr. Williams

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. Anthony Dwayne Williams ranks in the 77th percentile for colonoscopy in Medicare

Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 89 procedures of colonoscopy by Dr. Williams, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Williams ranks in Medicare procedure volume

Colonoscopy
77th percentile89 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
69th percentile70 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. Anthony Dwayne Williams received $191 in industry payments from 2016 to 2023

CMS Open Payments shows 12 general payments to Dr. Williams from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $57.

General payments to Dr. Williams by program year, 2016 to 2023

Companies that paid Dr. Williams the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Williams

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

Dr. Anthony Dwayne Williams graduated from Wayne State University School of Medicine

Dr. Williams graduated from Wayne State University School of Medicine in 1993.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Anthony Dwayne Williams'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Anthony Dwayne Williams

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. Anthony Dwayne Williams' NPI number?

Dr. Anthony Dwayne Williams' NPI number is 1245246354. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Anthony Dwayne Williams?

Dr. Anthony Dwayne Williams is a gastroenterologist in Wyandotte, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Anthony Dwayne Williams practice?

Dr. Williams practices at 2333 Biddle Ave, Wyandotte, MI 48192. Dr. Williams' primary practice is Henry Ford Wyandotte Hospital in Wyandotte, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Williams to 4 medical groups, 2 group practices and clinics and 1 hospital outpatient department.

What is Dr. Anthony Dwayne Williams' office phone number?

The practice phone on file for Dr. Williams is (734) 246-6000.

What is Dr. Anthony Dwayne Williams' medical license number?

Dr. Williams holds Michigan license 4301062274.

Which hospitals is Dr. Anthony Dwayne Williams affiliated with?

Dr. Williams practices at Henry Ford Wyandotte Hospital in Wyandotte, Michigan. Dr. Williams is also affiliated with Henry Ford Hospital.

What medical group is Dr. Anthony Dwayne Williams part of?

Dr. Williams is linked to Henry Ford Wyandotte Hospital. Dmand AI links Dr. Williams to 4 more medical groups.

Does Dr. Anthony Dwayne Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 236 services in 2024, and Dr. Williams accepts Medicare assignment.

How many Medicare patients does Dr. Anthony Dwayne Williams see?

CMS counts 205 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.

What services does Dr. Anthony Dwayne Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99222), surgery: digestive system (43239) and office visit, new patient (99203).

Show 4 more questionsShow fewer questions

Where did Dr. Anthony Dwayne Williams go to medical school?

Dr. Williams graduated from Wayne State University School of Medicine in 1993.

What drugs does Dr. Anthony Dwayne Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Sucralfate.

Has Dr. Anthony Dwayne Williams received payments from drug or device companies?

CMS Open Payments shows $191 in general payments to Dr. Williams from 6 companies from 2016 to 2023. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Dr. Anthony Dwayne Williams been practicing?

Dr. Williams graduated from medical school in 1993, 33 years ago.

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