Dr. Dennis Avery Williams, DO
- Medicare services, 2024
- 115
- Medicare patients, 2024
- 225
- Hospital affiliations
- 1
- Industry payments
- $335
- Medical groups
- 2
- Practice address
- 1923 South Utica Avenue, Tulsa, OK 74104
- Practice phone
- Call (918) 744-2296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Dennis Avery Williams is an anesthesiologist in Tulsa, Oklahoma
Dr. Williams practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.
Dr. Williams' NPI, 1841206364, was assigned on August 1, 2006. Dr. Williams graduated from University of North Texas Hsc, College of Osteopathic Med in 2002. Dr. Williams holds Oklahoma license 4141.
- NPI
- 1841206364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446253140
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 744-2296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Avery Williams practices at Ascension St. John Medical Center in Tulsa, Oklahoma
Dr. Williams' primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.
- Ascension St. John Medical Center1923 South Utica Avenue, Tulsa, OK 74104 · Tulsa CountyPhone(918) 744-2296
Source: Dmand AI Affiliation Data
Dr. Dennis Avery Williams is affiliated with 2 sites of care and 2 medical groups
Dr. Williams' primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. The medical group on file is Essential Anesthesia Management. Dmand AI also links Dr. Williams to 1 more urgent care center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dennis Avery Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. John Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dennis Avery Williams is one of 524 anesthesiologists in Oklahoma
Anesthesiology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Williams is licensed in Oklahoma.
Specialties and state licenses
- Anesthesiology, OklahomaPrimary
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. Dennis Avery Williams billed Medicare for 115 services in 2024
CMS data shows 115 Medicare services from Dr. Williams across 6 procedure codes in 2024, for 225 Medicare patients. Medicare paid $13,657 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 392024: 5951%
- Anesthesia
- 2023: 292024: 5693%
Dr. Williams compared with the Oklahoma median for anesthesiologists, 2024
- Dr. Williams
- Oklahoma median
- Medicare services
- 115vs 8732% above
- Medicare patients
- 225vs 15446% above
Medians across 506 anesthesiologists in Oklahoma 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.
Need commercial claims for Dr. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other anesthesiologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Avery Williams treated 225 Medicare patients in 2024, average age 74
CMS counts 225 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.48, 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 58, with 63% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women11350%
- Men11250%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease50%
- Arthritis47%
- Chronic kidney disease47%
- Diabetes47%
- Heart failure41%
- Atrial fibrillation40%
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 58
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Dennis Avery 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. Dennis Avery Williams received $335 in industry payments from 2017 to 2025
CMS Open Payments shows 11 general payments to Dr. Williams from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $162.
General payments to Dr. Williams by program year, 2017 to 2025
Companies that paid Dr. Williams the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis Avery Williams graduated from University of North Texas Hsc, College of Osteopathic Med
Dr. Williams graduated from University of North Texas Hsc, College of Osteopathic Med in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis Avery 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 | 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) |
| 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. Dennis Avery 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. Dennis Avery Williams' NPI number?
Dr. Dennis Avery Williams' NPI number is 1841206364. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Avery Williams?
Dr. Dennis Avery Williams is an anesthesiologist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Dennis Avery Williams practice?
Dr. Williams practices at 1923 South Utica Avenue, Tulsa, OK 74104. Dr. Williams' primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Dr. Williams to 1 urgent care center and 1 medical group.
What is Dr. Dennis Avery Williams' office phone number?
The practice phone on file for Dr. Williams is (918) 744-2296.
What is Dr. Dennis Avery Williams' medical license number?
Dr. Williams holds Oklahoma license 4141.
Which hospitals is Dr. Dennis Avery Williams affiliated with?
Dr. Williams practices at Ascension St. John Medical Center in Tulsa, Oklahoma.
What medical group is Dr. Dennis Avery Williams part of?
Dr. Williams is linked to Essential Anesthesia Management. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Dennis Avery Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 115 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Dennis Avery Williams see?
CMS counts 225 Medicare patients who saw Dr. Williams in 2024, with an average age of 74.
What services does Dr. Dennis Avery Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were surgery: heart and blood vessels (36620), anesthesia (00790) and anesthesia (01926).
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Where did Dr. Dennis Avery Williams go to medical school?
Dr. Williams graduated from University of North Texas Hsc, College of Osteopathic Med in 2002.
Has Dr. Dennis Avery Williams received payments from drug or device companies?
CMS Open Payments shows $335 in general payments to Dr. Williams from 6 companies from 2017 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Dennis Avery Williams been practicing?
Dr. Williams graduated from medical school in 2002, 24 years ago.
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