Joseph Robert Knapik, MD
NPI 1033194758ActiveIndividual· Psychiatry & Neurology, Neurology· Enid, OK
Psychiatry & Neurology, Neurology (MD) in Enid, Oklahoma, licensed in OK, with an NPI issued in December 2005. Their prescriptions cost Medicare Part D more than their services did: $685,820 for 3,541 claims, against $149,302 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $109.89 in all, mostly food and beverage. Lists Integris Health Enid Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1033194758 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2005 |
| Last updated in NPPES | Sep 19, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 30977 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 751 |
|---|---|
| Services billed | 1,577 across 14 procedure codes |
| Paid by Medicare | $149,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,541 · 6,825 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $685,820 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Neurology |
| Secondary specialties | Physical Medicine And Rehabilitation |
Hospital affiliations
- Integris Health Enid HospitalEnid, OK
- Integris Health Woodward HospitalWoodward, OK
- Okeene Municipal HospitalOkeene, OK
- Share Medical CenterAlva, OK
- St Mary's Regional Medical CenterEnid, OK
Other facilities
- Hospice Circle of LoveHospice · Enid, OK
Industry payments (Open Payments)
- 2025$109.89 · 6 payments from 4 companies
- 2024$155.88 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $52.49 | 3 |
| Supernus Pharmaceuticals, Inc. | $24.51 | 1 |
| Lundbeck LLC | $19.04 | 1 |
| Cycle Pharmaceuticals Inc | $13.85 | 1 |
What the 2025 payments were for
- Food and Beverage$109.89 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Enid
- 1972728210
- 1669890612
- 1770692360
- 1851376602
All Psychiatry & Neurology, Neurology providers in Oklahoma →