Mark Daniel Johnson, PA-C
NPI 1508855677ActiveIndividual· Physician Assistant, Surgical· Oklahoma City, OK
Physician Assistant, Surgical (PA-C) with Saints Medical Group, LLC and 1 other group, practicing in Oklahoma City, Oklahoma. Mostly services rather than prescriptions: Medicare paid $72,469 for 714 patients in 2024, with only 34 Part D claims. Nalu Medical, Inc. was the largest of 2 companies reporting payments in 2025, $171.52 in all, mostly food and beverage. Lists Ssm Health St Anthony Hospital - Midwest and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1508855677 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 20, 2005 |
| Last updated in NPPES | Nov 26, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 485 | 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 | 714 |
|---|---|
| Services billed | 2,746 across 32 procedure codes |
| Paid by Medicare | $72,469 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 43 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $239.42 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Saints Medical Group, LLCOklahoma City, OK · 435 clinicians
- Ortho Plus Holdings LLCOklahoma City, OK · 5 clinicians
Hospital affiliations
- Ssm Health St Anthony Hospital - MidwestMidwest City, OK
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
- Summit Medical Center, LLCEdmond, OK
Industry payments (Open Payments)
- 2025$171.52 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nalu Medical, Inc. | $153.19 | 1 |
| Vertex Pharmaceuticals Incorporated | $18.33 | 1 |
What the 2025 payments were for
- Food and Beverage$171.52 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 surgical physician assistants in Oklahoma City · All surgical physician assistants in Oklahoma