William K. Briggs, M.D.
NPI 1730176884ActiveIndividual· Internal Medicine, Gastroenterology· Tulsa, OK
Internal Medicine, Gastroenterology (M.D.) with Gastroenterology Specialists, Inc., practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $419,818 for 1,274 claims, against $149,379 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $2,812 in all, mostly food and beverage. Lists Ascension St John Broken Arrow and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1730176884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Feb 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 17686 | 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 - Gastroenterology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 544 |
|---|---|
| Services billed | 7,068 across 41 procedure codes |
| Paid by Medicare | $149,379 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,274 · 2,327 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $419,818 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Specialists, Inc.Tulsa, OK · 23 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Saint Francis Hospital South, LLCTulsa, OK
Industry payments (Open Payments)
- 2025$2,812 · 151 payments from 23 companies
- 2024$2,275 · 131 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $552.85 | 40 |
| Pfizer Inc. | $328.11 | 17 |
| Takeda Pharmaceuticals U.S.A., Inc. | $292.67 | 12 |
| Janssen Biotech, Inc. | $243.87 | 13 |
| Gilead Sciences, Inc. | $216.74 | 11 |
What the 2025 payments were for
- Food and Beverage$2,812 · 151 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 gastroenterologists in Tulsa · All gastroenterologists in Oklahoma