Dr. Michael Williamson, MD
- Medicare services, 2024
- 389
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 1,264
- Hospital affiliations
- 2
- Industry payments
- $753
- Practice address
- 6600 S Yale E Ave, Tulsa, OK 74136
- Practice phone
- Call (918) 488-6001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Warren Clinic Inc
Tulsa, Oklahoma
Find Dr. Williamson's professional email, personal email and mobile number
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Dr. Michael Williamson is a family medicine physician in Tulsa, Oklahoma
Dr. Williamson practices at Warren Clinic Inc in Tulsa, Oklahoma.
Dr. Williamson's NPI, 1730703562, was assigned on June 8, 2020. Dr. Williamson graduated from University of Oklahoma College of Medicine in 2020. Dr. Williamson holds Oklahoma license 36124.
- NPI
- 1730703562NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264855170
- NPI enumeration date
- June 8, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 488-6001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Williamson practices at Warren Clinic Inc in Tulsa, Oklahoma
Dr. Williamson's primary practice is Warren Clinic Inc, at 6600 S Yale E Ave, Tulsa, OK 74136 in Tulsa County. The practice phone is (918) 488-6001.
- Warren Clinic Inc6600 S Yale E Ave, Tulsa, OK 74136 · Tulsa CountyPhone(918) 488-6001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Williamson is affiliated with 5 sites of care and 1 medical group
Dr. Williamson's primary practice is Warren Clinic Inc in Tulsa, Oklahoma. Dr. Williamson is also affiliated with Saint Francis Hospital. The medical group on file is Warren Clinic. Dmand AI also links Dr. Williamson to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Warren Clinic Inc | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Williamson is one of 1,964 family medicine physicians in Oklahoma
Family medicine is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Williamson is licensed in Oklahoma.
Specialties and state licenses
- Family medicine, OklahomaPrimary
Family medicine physicians near Dr. Williamson
Counts of family medicine physicians 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. Michael Williamson billed Medicare for 389 services in 2024
CMS data shows 389 Medicare services from Dr. Williamson across 8 procedure codes in 2024, for 99 Medicare patients. Medicare paid $19,515 for them. Every service was in an office.
Dr. Williamson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 542024: 190252%
- Other services
- 2023: 02024: 184
- Tests and treatments
- 2023: 02024: 15
Dr. Williamson compared with the Oklahoma median for family medicine physicians, 2024
- Dr. Williamson
- Oklahoma median
- Medicare services
- 389vs 49521% below
- Medicare patients
- 99vs 17443% below
- Part D claims
- 799vs 1,19733% below
Medians across 1,938 family medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Williamson'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. Williamson and other family medicine physicians in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Williamson treated 99 Medicare patients in 2024, average age 73
CMS counts 99 Medicare patients who saw Dr. Williamson in 2024. The largest group is 65 to 74, with 51 patients. 73% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 52, with 48% women.
Dr. Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williamson's Medicare patients by sex, 2024
- Women5657%
- Men4343%
Chronic conditions among Dr. Williamson's Medicare patients, 2024
- High cholesterol73%
- High blood pressure66%
- Arthritis41%
- Ischemic heart disease27%
- Diabetes26%
- Mood disorders25%
- Depression23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Williamson wrote 1,264 Medicare Part D claims in 2024
In 2024, Dr. Williamson wrote 1,264 Medicare Part D claims for 227 patients. 84% of them were for generic drugs. CMS names the drug for 799 of them, across 35 drugs with 11 or more claims each, at $37,259 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Williamson's Part D claims by kind of drug, 2024
- Generic1,062 claims84%
- Brand-name190 claims15%
- Other12 claims1%
Dr. Williamson'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. Williamson's Part D claims, 2024
- Opioids1%11 of 1,264 claims
- Antibiotics3%35 of 1,264 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: 112024: 7997164%
Drugs named by CMS: 35 in 2024, 1 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
How Dr. Michael Williamson takes part in Medicare
Dr. Williamson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Skin biopsy: 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. Michael Williamson received $753 in industry payments from 2022 to 2025
CMS Open Payments shows 42 general payments to Dr. Williamson from 14 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $190.
General payments to Dr. Williamson by program year, 2022 to 2025
Companies that paid Dr. Williamson the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Williamson graduated from University of Oklahoma College of Medicine
Dr. Williamson graduated from University of Oklahoma College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Williamson'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 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) |
| 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. Michael Williamson
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. Michael Williamson's NPI number?
Dr. Michael Williamson's NPI number is 1730703562. It was assigned on June 8, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Williamson?
Dr. Michael Williamson is a family medicine physician in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Michael Williamson practice?
Dr. Williamson practices at 6600 S Yale E Ave, Tulsa, OK 74136. Dr. Williamson's primary practice is Warren Clinic Inc in Tulsa, Oklahoma. Dmand AI also links Dr. Williamson to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Michael Williamson's office phone number?
The practice phone on file for Dr. Williamson is (918) 488-6001.
What is Dr. Michael Williamson's medical license number?
Dr. Williamson holds Oklahoma license 36124.
Which hospitals is Dr. Michael Williamson affiliated with?
Dr. Williamson is affiliated with Saint Francis Hospital. Dmand AI links Dr. Williamson to 1 more hospital.
What medical group is Dr. Michael Williamson part of?
Dr. Williamson is linked to Warren Clinic.
Does Dr. Michael Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 389 services in 2024, and Dr. Williamson accepts Medicare assignment.
How many Medicare patients does Dr. Michael Williamson see?
CMS counts 99 Medicare patients who saw Dr. Williamson in 2024, with an average age of 73.
What services does Dr. Michael Williamson bill to Medicare?
In 2024, Dr. Williamson's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and medicare service (G0439).
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Where did Dr. Michael Williamson go to medical school?
Dr. Williamson graduated from University of Oklahoma College of Medicine in 2020.
What drugs does Dr. Michael Williamson prescribe most?
In 2024 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Michael Williamson received payments from drug or device companies?
CMS Open Payments shows $753 in general payments to Dr. Williamson from 14 companies from 2022 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Michael Williamson been practicing?
Dr. Williamson graduated from medical school in 2020, 6 years ago.
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