Dr. George Rainey Williams III, MD
- Medicare services, 2024
- 1,001
- Medicare patients, 2024
- 365
- Part D claims, 2024
- 298
- Hospital affiliations
- 3
- Industry payments
- $385
- Practice address
- 4300 West Memorial Road, Oklahoma City, OK 73120
- Practice phone
- Call (405) 755-1515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' professional email, personal email and mobile number
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Dr. George Rainey Williams III is an internist in Oklahoma City, Oklahoma
Dr. Williams practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy.
Dr. Williams' NPI, 1346862240, was assigned on May 13, 2020. Dr. Williams graduated from University of Oklahoma College of Medicine in 2020. Dr. Williams holds Oklahoma license 35863.
- NPI
- 1346862240NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517312655
- NPI enumeration date
- May 13, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (405) 755-1515
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George Rainey Williams III practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma
Dr. Williams' primary practice is Mercy Hospital Oklahoma City, at 4300 West Memorial Road, Oklahoma City, OK 73120 in Oklahoma County. The practice phone is (405) 755-1515.
- Mercy Hospital Oklahoma City4300 West Memorial Road, Oklahoma City, OK 73120 · Oklahoma CountyPhone(405) 755-1515
Source: Dmand AI Affiliation Data
Dr. George Rainey Williams III is affiliated with 4 sites of care and 2 medical groups
Dr. Williams' primary practice is Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy. Dr. Williams is also affiliated with Oklahoma Heart Hospital North. The medical group on file is Mercy Clinic Oklahoma Communities. Dmand AI also links Dr. Williams to 1 more hospital, 1 hospice 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. George Rainey Williams III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Oklahoma City | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George Rainey Williams III is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is licensed in Oklahoma.
Specialties and state licenses
- Internal medicine, OklahomaPrimary
Internists near Dr. Williams
Counts of internists 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. George Rainey Williams III billed Medicare for 1,001 services in 2024
CMS data shows 1,001 Medicare services from Dr. Williams across 5 procedure codes in 2024, for 365 Medicare patients. Medicare paid $73,477 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
- Office and hospital visits
- 2023: 2612024: 1,001284%
Dr. Williams compared with the Oklahoma median for internists, 2024
- Dr. Williams
- Oklahoma median
- Medicare services
- 1,001vs 63657% above
- Medicare patients
- 365vs 24350% above
- Part D claims
- 112vs 28260% below
Medians across 969 internists 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 internists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George Rainey Williams III treated 365 Medicare patients in 2024, average age 78
CMS counts 365 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.22, 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 76, with 50% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women20556%
- Men16044%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Chronic kidney disease53%
- Ischemic heart disease53%
- Diabetes47%
- Mood disorders45%
- Depression43%
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 76
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George Rainey Williams III wrote 298 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 298 Medicare Part D claims for 146 patients. 91% of them were for generic drugs. CMS names the drug for 112 of them, across 7 drugs with 11 or more claims each, at $766 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic270 claims91%
- Brand-name and other28 claims9%
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
- Opioids10%30 of 298 claims
- Antibiotics31%93 of 298 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: 382024: 112195%
Drugs named by CMS: 7 in 2024, 3 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. George Rainey Williams III 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. George Rainey Williams III received $385 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Williams from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $240.
General payments to Dr. Williams by program year, 2024 to 2025
Companies that paid Dr. Williams the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. George Rainey Williams III graduated from University of Oklahoma College of Medicine
Dr. Williams graduated from University of Oklahoma College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George Rainey Williams III'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) |
| 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. George Rainey Williams III
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. George Rainey Williams III's NPI number?
Dr. George Rainey Williams III's NPI number is 1346862240. It was assigned on May 13, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. George Rainey Williams III?
Dr. George Rainey Williams III is an internist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. George Rainey Williams III practice?
Dr. Williams practices at 4300 West Memorial Road, Oklahoma City, OK 73120. Dr. Williams' primary practice is Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma, part of Mercy. Dmand AI also links Dr. Williams to 1 hospital, 1 hospice and 1 medical group.
What is Dr. George Rainey Williams III's office phone number?
The practice phone on file for Dr. Williams is (405) 755-1515.
What is Dr. George Rainey Williams III's medical license number?
Dr. Williams holds Oklahoma license 35863.
Which hospitals is Dr. George Rainey Williams III affiliated with?
Dr. Williams practices at Mercy Hospital Oklahoma City in Oklahoma City, Oklahoma. Dr. Williams is also affiliated with Oklahoma Heart Hospital North. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. George Rainey Williams III part of?
Dr. Williams is linked to Mercy Clinic Oklahoma Communities. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. George Rainey Williams III accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 1,001 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. George Rainey Williams III see?
CMS counts 365 Medicare patients who saw Dr. Williams in 2024, with an average age of 78.
What services does Dr. George Rainey Williams III bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
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Where did Dr. George Rainey Williams III go to medical school?
Dr. Williams graduated from University of Oklahoma College of Medicine in 2020.
What drugs does Dr. George Rainey Williams III prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Levofloxacin and Pantoprazole Sodium.
Has Dr. George Rainey Williams III received payments from drug or device companies?
CMS Open Payments shows $385 in general payments to Dr. Williams from 2 companies from 2024 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. George Rainey Williams III been practicing?
Dr. Williams graduated from medical school in 2020, 6 years ago.
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