Candy Sue Williams, APRN, CNP
NPI 1124483482ActiveIndividual· Nurse Practitioner, Family· Tulsa, OK
Nurse Practitioner, Family (APRN, CNP) with Adult Gastroenterology Associates Inc, practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $1,121,581 for 1,842 claims, against $102,302 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 22 companies reporting payments in 2025, $7,098 in all, mostly food and beverage. Lists Ascension St John Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1124483482 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, CNP |
| Sole proprietor | No |
| NPI issued | Dec 30, 2015 |
| Last updated in NPPES | Sep 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | F08191246 | OK |
| Registered Nurse | 163W00000X | 100656 | 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 - Nurse Practitioner (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 729 |
|---|---|
| Services billed | 3,401 across 14 procedure codes |
| Paid by Medicare | $102,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,842 · 3,746 30-day fills |
|---|---|
| Patients | 652 |
| Total drug cost | $1,121,581 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Adult Gastroenterology Associates IncBartlesville, OK · 15 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$7,098 · 284 payments from 22 companies
- 2024$4,341 · 231 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $1,710 | 17 |
| Abbvie Inc. | $1,045 | 75 |
| Janssen Biotech, Inc. | $709.01 | 24 |
| Takeda Pharmaceuticals U.S.A., Inc. | $534.36 | 24 |
| Regeneron Healthcare Solutions, Inc. | $504.17 | 13 |
What the 2025 payments were for
- Food and Beverage$5,918 · 282 payments
- Consulting Fee$1,080 · 1 payment
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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