Michael Zumwalt, M.D.
NPI 1275947764ActiveIndividual· Dermatology· Reno, NV
Dermatology (M.D.) in Reno, Nevada, trained at Loma Linda University School of Medicine (class of 2014). 797 Medicare patients in 2024, $1,120,477 paid; all of their 1,105 Part D prescriptions were generic. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,300 in all, mostly food and beverage.
Overview
| NPI | 1275947764 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2014 |
| Last updated in NPPES | Jan 16, 2026 |
| Certified by provider | Jan 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 20704 | NV |
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 - Dermatology (CA); Practitioner - Dermatology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 797 |
|---|---|
| Services billed | 4,187 across 81 procedure codes |
| Paid by Medicare | $1,120,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,105 · 1,118 30-day fills |
|---|---|
| Patients | 639 |
| Total drug cost | $19,582 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
Medical group
- Mountain West Derm - Blackhart PLLCTigard, OR · 105 clinicians
Other facilities
- Eden Home HealthHome health agency · Reno, NV
Industry payments (Open Payments)
- 2025$1,300 · 58 payments from 16 companies
- 2024$1,311 · 58 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $196.11 | 10 |
| Amgen Inc. | $175.32 | 10 |
| Ucb, Inc. | $170.15 | 8 |
| Genzyme Corporation | $157.07 | 5 |
| Regeneron Healthcare Solutions, Inc. | $148.47 | 5 |
What the 2025 payments were for
- Food and Beverage$1,300 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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