Nathaniel Spencer Harriman, M.S.S., PA-C
NPI 1053862300ActiveIndividual· Physician Assistant, Medical· San Luis, AZ
Physician Assistant, Medical (M.S.S., PA-C) with Vhs Outpatient Clinics Inc, practicing in San Luis, Arizona. 101 Medicare patients in 2024, $12,099 paid; nearly all of their 197 Part D prescriptions were generic (99%). Amgen Inc. was the largest of 2 companies reporting payments in 2025, $114.94 in all, mostly food and beverage. Lists Abrazo Scottsdale Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1053862300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.S.S., PA-C |
| Sole proprietor | Yes |
| NPI issued | Oct 21, 2016 |
| Last updated in NPPES | Dec 19, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 6552 | AZ |
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 - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 191 across 18 procedure codes |
| Paid by Medicare | $12,099 |
Part D prescriptions in 2024
| Prescriptions (claims) | 197 · 201 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $1,679 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Vhs Outpatient Clinics IncPhoenix, AZ · 208 clinicians
Hospital affiliations
- Abrazo Scottsdale CampusPhoenix, AZ
- Arizona Orthopedic and Surgical Specialty HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2025$114.94 · 7 payments from 2 companies
- 2024$1,659 · 17 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $100.15 | 6 |
| Impactortho, Inc. | $14.79 | 1 |
What the 2025 payments were for
- Food and Beverage$114.94 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in San Luis
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