Dr. Thomas C. Williams, MD
- Medicare services, 2023
- 11
- Medicare patients, 2024
- 42
- Part D claims, 2017
- 44
- Hospital affiliations
- 1
- Industry payments
- $69
- Practice address
- 1808 W Main St, Russellville, AR 72801
- Practice phone
- Call (479) 968-2841
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saint Marys Regional Medical Center (AR)
Russellville, Arkansas
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Thomas C. Williams is an anesthesiologist in Russellville, Arkansas
Dr. Williams practices at Saint Marys Regional Medical Center (AR) in Russellville, Arkansas.
Dr. Williams' NPI, 1790786408, was assigned on August 3, 2005. Dr. Williams graduated from University of Arkansas College of Medicine in 1990. Dr. Williams holds Arkansas license C7989.
- NPI
- 1790786408NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325056690
- NPI enumeration date
- August 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (479) 968-2841
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas C. Williams practices at Saint Marys Regional Medical Center (AR) in Russellville, Arkansas
Dr. Williams' primary practice is Saint Marys Regional Medical Center (AR), at 1808 W Main St, Russellville, AR 72801 in Pope County. The practice phone is (479) 968-2841.
- Saint Marys Regional Medical Center (AR)1808 W Main St, Russellville, AR 72801 · Pope CountyPhone(479) 968-2841
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas C. Williams is affiliated with 2 sites of care and 1 medical group
Dr. Williams' primary practice is Saint Marys Regional Medical Center (AR) in Russellville, Arkansas. Dr. Williams is also affiliated with Saint Mary's Regional Health. The medical group on file is St Mary's Specialty.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas C. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Marys Regional Medical Center (AR) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas C. Williams is one of 314 anesthesiologists in Arkansas
Anesthesiology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Williams is licensed in Arkansas.
Specialties and state licenses
- Anesthesiology, ArkansasPrimary
Anesthesiologists near Dr. Williams
Counts of anesthesiologists 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. Thomas C. Williams billed Medicare for 11 services in 2023
CMS data shows 11 Medicare services from Dr. Williams across 1 procedure code in 2023, for 42 Medicare patients. Medicare paid $1,863 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 142023: 1121%
Dr. Williams compared with the Arkansas median for anesthesiologists, 2023
- Dr. Williams
- Arkansas median
- Medicare services
- 11vs 4877% below
- Medicare patients
- 42vs 9053% below
- Part D claims
- 44vs 7239% below
Medians across 312 anesthesiologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2023
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. Williams and other anesthesiologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas C. Williams treated 42 Medicare patients in 2024, average age 76
CMS counts 42 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 1.66, 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 50, with 78% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women2662%
- Men1638%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis52%
- Heart failure45%
- COPD43%
- Ischemic heart disease36%
- Anxiety29%
- Diabetes29%
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 50
Patient panel by sex, all payers
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas C. Williams wrote 44 Medicare Part D claims in 2017
In 2017, Dr. Williams wrote 44 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $1,944 in total drug cost. In 2016, CMS named 12 claims across 1 drug.
Dr. Williams' most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 122017: 44267%
Drugs named by CMS: 4 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Thomas C. Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas C. Williams received $69 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Williams from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $26.
General payments to Dr. Williams by program year, 2016 to 2022
Companies that paid Dr. Williams the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas C. Williams graduated from University of Arkansas College of Medicine
Dr. Williams graduated from University of Arkansas College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas C. Williams'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Thomas C. 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. Thomas C. Williams' NPI number?
Dr. Thomas C. Williams' NPI number is 1790786408. It was assigned on August 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas C. Williams?
Dr. Thomas C. Williams is an anesthesiologist in Russellville, Arkansas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Thomas C. Williams practice?
Dr. Williams practices at 1808 W Main St, Russellville, AR 72801. Dr. Williams' primary practice is Saint Marys Regional Medical Center (AR) in Russellville, Arkansas.
What is Dr. Thomas C. Williams' office phone number?
The practice phone on file for Dr. Williams is (479) 968-2841.
What is Dr. Thomas C. Williams' medical license number?
Dr. Williams holds Arkansas license C7989.
Which hospitals is Dr. Thomas C. Williams affiliated with?
Dr. Williams is affiliated with Saint Mary's Regional Health.
What medical group is Dr. Thomas C. Williams part of?
Dr. Williams is linked to St Mary's Specialty.
Does Dr. Thomas C. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 11 services in 2023, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Thomas C. Williams see?
CMS counts 42 Medicare patients who saw Dr. Williams in 2024, with an average age of 76.
What services does Dr. Thomas C. Williams bill to Medicare?
In 2023, Dr. Williams' most billed Medicare services were anesthesia (01230).
Show 4 more questionsShow fewer questions
Where did Dr. Thomas C. Williams go to medical school?
Dr. Williams graduated from University of Arkansas College of Medicine in 1990.
What drugs does Dr. Thomas C. Williams prescribe most?
In 2017 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Amlodipine Besylate, Carvedilol and Ezetimibe.
Has Dr. Thomas C. Williams received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to Dr. Williams from 4 companies from 2016 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Thomas C. Williams been practicing?
Dr. Williams graduated from medical school in 1990, 36 years ago.
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