Dr. John Michael Williams, MD
- Medicare services, 2024
- 7,172
- Medicare patients, 2024
- 2,230
- Part D claims, 2024
- 12,259
- Clinical trials
- 3
- MIPS score, 2024
- 84
- Practice address
- 3200 Quail Springs Pkwy, Suite 100, Oklahoma City, OK 73134
- Practice phone
- Call (405) 241-3795
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Surgical and Research Solutions
Surgery Center - Medicare-Certified · Oklahoma City, Oklahoma
Find Dr. Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Michael Williams is an interventional cardiologist in Oklahoma City, Oklahoma
Dr. Williams practices at Advanced Surgical and Research Solutions in Oklahoma City, Oklahoma.
Dr. Williams' NPI, 1811984719, was assigned on October 5, 2005. Dr. Williams graduated from University of Oklahoma College of Medicine in 1992. Dr. Williams holds Oklahoma license 18456.
- NPI
- 1811984719NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830080621
- NPI enumeration date
- October 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (405) 241-3795
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Michael Williams practices at Advanced Surgical and Research Solutions in Oklahoma City, Oklahoma
Dr. Williams' primary practice is Advanced Surgical and Research Solutions, at 3200 Quail Springs Pkwy, Suite 100, Oklahoma City, OK 73134. The practice phone is (405) 241-3795.
- Advanced Surgical and Research Solutions3200 Quail Springs Pkwy, Suite 100, Oklahoma City, OK 73134Phone(405) 241-3795
Source: Dmand AI Affiliation Data
Dr. John Michael Williams is affiliated with 7 sites of care and 3 medical groups
Dr. Williams' primary practice is Advanced Surgical and Research Solutions in Oklahoma City, Oklahoma. Dr. Williams is also affiliated with Mercy Hospital Oklahoma City. The medical group on file is CardioVascular Health Clinic. Dmand AI also links Dr. Williams to 4 more hospitals, 2 medical groups and 1 group practice or clinic, 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. John Michael Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Surgical and Research Solutions | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Michael Williams is one of 119 interventional cardiologists in Oklahoma
Interventional cardiology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Williams is licensed in Oklahoma.
Specialties and state licenses
- Interventional cardiology, OklahomaPrimary
Interventional cardiologists near Dr. Williams
Counts of interventional cardiologists 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. John Michael Williams billed Medicare for 7,172 services in 2024
CMS data shows 7,172 Medicare services from Dr. Williams across 37 procedure codes in 2024, for 2,230 Medicare patients. Medicare paid $368,503 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,5282024: 3,10623%
- Office and hospital visits
- 2023: 2,6492024: 2,37210%
- Other services
- 2023: 922024: 1,6211662%
- Surgery
- 2023: 372024: 6062%
- Imaging
- 2023: 312024: 1358%
Where Dr. Williams' Medicare services took place, 2024
- In an office5,91983%
- In a facility1,25317%
Dr. Williams compared with the Oklahoma median for interventional cardiologists, 2024
- Dr. Williams
- Oklahoma median
- Medicare services
- 7,172vs 3,1072.3 times
- Medicare patients
- 2,230vs 1,20585% above
- Part D claims
- 11,879vs 3,9773.0 times
Medians across 120 interventional cardiologists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other interventional cardiologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Michael Williams treated 2,230 Medicare patients in 2024, average age 77
CMS counts 2,230 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 946 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 74, with 51% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women1,16452%
- Men1,06648%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease56%
- Diabetes35%
- Atrial fibrillation33%
- Chronic kidney disease31%
- Heart failure27%
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 74
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Michael Williams wrote 12,259 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 12,259 Medicare Part D claims for 1,867 patients. 85% of them were for generic drugs. CMS names the drug for 11,879 of them, across 88 drugs with 11 or more claims each, at $1,743,173 in total drug cost. In 2023, CMS named 14,630 claims across 96 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic10,444 claims85%
- Brand-name1,815 claims15%
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
- Opioids0%55 of 12,259 claims
- Antibiotics0%20 of 12,259 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: 14,6302024: 11,87919%
Drugs named by CMS: 88 in 2024, 96 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. John Michael Williams scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 56 procedures of coronary angioplasty and stenting by Dr. Williams, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 84of 100Final score
- 73of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Williams ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 87th percentile56 procedures
- Pacemaker insertion or repair
- 79th percentile31 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Michael Williams has worked on 3 clinical trials
Dmand AI links Dr. Williams to 3 clinical trials. 3 are still active or recruiting. Conditions studied include Heart Valve Diseases, Mitral Valve Insufficiency and Tricuspid Valve Insufficiency. Edwards Lifesciences sponsors the most, 2.
Conditions in Dr. Williams' trials
- Heart Valve Diseases
- Mitral Valve Insufficiency
- Tricuspid Valve Insufficiency
Investigators on the most trials with Dr. Williams
- Steven F. Bolling, MD3 shared trials
- Jacob M. Mishell, MD3 shared trials
- Mudassar Ahmed, MBBS2 shared trials
Recent clinical trials with Dr. Williams
Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients With Functional Mitral Regurgitation (The COAPT Trial) and COAPT CAS (opens in a new tab)
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Michael Williams received $20,193 in industry payments from 2016 to 2025
CMS Open Payments shows 566 general payments to Dr. Williams from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 65% of the total. Edwards Lifesciences Corporation paid the most, $5,835.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Food and beverage$13,22265%
- Travel and lodging$6,92834%
- Speaker and faculty fees$350%
- Education$70%
Companies that paid Dr. Williams 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. John Michael Williams graduated from University of Oklahoma College of Medicine
Dr. Williams graduated from University of Oklahoma College of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Michael 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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 |
| 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. John Michael Williams
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What is Dr. John Michael Williams' NPI number?
Dr. John Michael Williams' NPI number is 1811984719. It was assigned on October 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Williams?
Dr. John Michael Williams is an interventional cardiologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. John Michael Williams practice?
Dr. Williams practices at 3200 Quail Springs Pkwy, Suite 100, Oklahoma City, OK 73134. Dr. Williams' primary practice is Advanced Surgical and Research Solutions in Oklahoma City, Oklahoma. Dmand AI also links Dr. Williams to 4 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. John Michael Williams' office phone number?
The practice phone on file for Dr. Williams is (405) 241-3795.
What is Dr. John Michael Williams' medical license number?
Dr. Williams holds Oklahoma license 18456.
Which hospitals is Dr. John Michael Williams affiliated with?
Dr. Williams is affiliated with Mercy Hospital Oklahoma City. Dmand AI links Dr. Williams to 4 more hospitals.
What medical group is Dr. John Michael Williams part of?
Dr. Williams is linked to CardioVascular Health Clinic. Dmand AI links Dr. Williams to 2 more medical groups.
Does Dr. John Michael Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 7,172 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. John Michael Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Michael Williams see?
CMS counts 2,230 Medicare patients who saw Dr. Williams in 2024, with an average age of 77.
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What services does Dr. John Michael Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John Michael Williams go to medical school?
Dr. Williams graduated from University of Oklahoma College of Medicine in 1992.
What drugs does Dr. John Michael Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Eliquis, Rosuvastatin Calcium and Carvedilol.
Has Dr. John Michael Williams received payments from drug or device companies?
CMS Open Payments shows $20,193 in general payments to Dr. Williams from 37 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. John Michael Williams been practicing?
Dr. Williams graduated from medical school in 1992, 34 years ago.
Does Dr. John Michael Williams do research?
Dr. Williams has worked on 3 clinical trials.
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