John Frazer Mackenzie, DO
NPI 1518078807ActiveIndividual· Psychiatry & Neurology, Neurology· Prescott, AZ
Psychiatry & Neurology, Neurology (DO) in Prescott, Arizona, trained at Michigan State University College of Osteopathic Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $1,060,148 for 3,966 claims, against $319,275 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $737.61 in all, mostly food and beverage.
Overview
| NPI | 1518078807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Feb 17, 2025 |
| Certified by provider | Feb 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 3195 | 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 - Neurology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 459 |
|---|---|
| Services billed | 44,457 across 29 procedure codes |
| Paid by Medicare | $319,275 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,966 · 6,363 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $1,060,148 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Yavapai Regional Medical Center Physician Care LLCPrescott Valley, AZ · 124 clinicians
Hospital affiliation
- Yavapai Regional Medical CenterPrescott, AZ
Industry payments (Open Payments)
- 2025$737.61 · 47 payments from 13 companies
- 2024$468.12 · 34 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $332.06 | 25 |
| Biogen, Inc. | $59.87 | 4 |
| Alexion Pharmaceuticals, Inc. | $49.16 | 3 |
| Amgen Inc. | $46.29 | 1 |
| Medtronic, Inc. | $44.33 | 2 |
What the 2025 payments were for
- Food and Beverage$737.61 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Psychiatry & Neurology, Neurology providers in Arizona →