Zachary Thomas Brown, MD
NPI 1669094173ActiveIndividual· Family Medicine· Mayer, AZ
Family Medicine (MD) with Carelock LLC, practicing in Mayer, Arizona. Their prescriptions cost Medicare Part D more than their services did: $496,194 for 4,366 claims, against $46,492 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $979.52 in all, mostly food and beverage. Lists Yavapai Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1669094173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 7, 2020 |
| Last updated in NPPES | Mar 11, 2024 |
| Certified by provider | Mar 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 70269 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 953 across 46 procedure codes |
| Paid by Medicare | $46,492 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,366 · 8,198 30-day fills |
|---|---|
| Patients | 547 |
| Total drug cost | $496,194 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Carelock LLCPhoenix, AZ · 13 clinicians
Hospital affiliation
- Yavapai Regional Medical CenterPrescott, AZ
Other facilities
- Angels Care Home Health of ArizonaHome health agency · Cottonwood, AZ
- Bayada Home Health Care, Inc.Home health agency · Prescott, AZ
Industry payments (Open Payments)
- 2025$979.52 · 57 payments from 15 companies
- 2024$1,049 · 44 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $275.28 | 23 |
| Bayer Healthcare Pharmaceuticals Inc. | $88.02 | 5 |
| Otsuka America Pharmaceutical, Inc. | $78.52 | 3 |
| Abbvie Inc. | $69.65 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $66.23 | 3 |
What the 2025 payments were for
- Food and Beverage$979.52 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Mayer
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- 1649077579