Curtis Brian Williams, MD
NPI 1487658449ActiveIndividual· Internal Medicine· Oklahoma City, OK
Internal Medicine (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $873,993 for 9,171 claims, against $105,467 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 7 companies reporting payments in 2025, $148.18 in all, mostly food and beverage.
Overview
| NPI | 1487658449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2005 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 21278 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 2,016 across 32 procedure codes |
| Paid by Medicare | $105,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,171 · 21,594 30-day fills |
|---|---|
| Patients | 609 |
| Total drug cost | $873,993 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Integris Cardiovascular Physicians LLCOklahoma City, OK · 116 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Health Edmond HospitalEdmond, OK
- Integris Southwest Medical CenterOklahoma City, OK
- Lakeside Women's Hospital, A Member of Integris HeOklahoma City, OK
- O U Medical CenterOklahoma City, OK
Other facilities
- Carter Healthcare of Central Oklahoma, LLCHome health agency · Oklahoma City, OK
- Elara Caring XxHome health agency · Oklahoma City, OK
- Integris Home Care Oklahoma CityHome health agency · Oklahoma City, OK
- Lifespring Edmond Home HealthHome health agency · Edmond, OK
- Providence Home CareHome health agency · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$148.18 · 9 payments from 7 companies
- 2024$72.03 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $38.34 | 2 |
| Glaxosmithkline, LLC. | $28.50 | 2 |
| Abbott Laboratories | $20.57 | 1 |
| Pfizer Inc. | $17.19 | 1 |
| Amgen Inc. | $15.02 | 1 |
What the 2025 payments were for
- Food and Beverage$148.18 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 473 internal medicine physicians in Oklahoma City · All internal medicine physicians in Oklahoma