Stephen Isernhagen, PA-C
NPI 1720444631ActiveIndividual· Physician Assistant· Norman, OK
Physician Assistant (PA-C) with McBride Clinic Orthopedic Hospital, LLC, practicing in Norman, Oklahoma. 337 Medicare patients in 2024, $41,596 paid; nearly all of their 82 Part D prescriptions were generic (98%). Total Joint Orthopedics, Inc. was the largest of 4 companies reporting payments in 2025, $99.90 in all, mostly food and beverage. Lists McBride Orthopedic Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720444631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 7, 2016 |
| Last updated in NPPES | Oct 12, 2026 |
| Certified by provider | Oct 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2613 | 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 - Physician Assistant (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 337 |
|---|---|
| Services billed | 1,255 across 55 procedure codes |
| Paid by Medicare | $41,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 86 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $2,932 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- McBride Clinic Orthopedic Hospital, LLCOklahoma City, OK · 101 clinicians
Hospital affiliations
- McBride Orthopedic HospitalOklahoma City, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
Industry payments (Open Payments)
- 2025$99.90 · 4 payments from 4 companies
- 2024$152.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Total Joint Orthopedics, Inc. | $37.50 | 1 |
| Stryker Corporation | $22.76 | 1 |
| Ucb, Inc. | $20.29 | 1 |
| Spr Therapeutics, Inc | $19.35 | 1 |
What the 2025 payments were for
- Food and Beverage$99.90 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 physician assistants in Norman · All physician assistants in Oklahoma