Michael A. Marsh, M.D.
NPI 1174547988ActiveIndividual· Otolaryngology· Scottsdale, AZ
Otolaryngology (M.D.) with Honorhealth Ambulatory and 1 other group, practicing in Scottsdale, Arizona. 464 Medicare patients in 2024, $153,273 paid; nearly all of their 694 Part D prescriptions were generic (98%). Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $100.67 in all, mostly food and beverage. Lists Baptist Health - Fort Smith and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1174547988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | May 21, 2026 |
| Certified by provider | May 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 79754 | AZ |
| Otolaryngology | 207Y00000X | C8388 | AR |
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 - Otolaryngology (AR); Practitioner - Otolaryngology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 464 |
|---|---|
| Services billed | 5,022 across 59 procedure codes |
| Paid by Medicare | $153,273 |
Part D prescriptions in 2024
| Prescriptions (claims) | 694 · 910 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $18,171 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Otolaryngology |
Medical groups
- Honorhealth AmbulatoryScottsdale, AZ · 630 clinicians
- Arkansas Center for Ear Nose Throat and Allergy PAFort Smith, AR · 2 clinicians
Hospital affiliations
- Baptist Health - Fort SmithFort Smith, AR
- Honorhealth Scottsdale Thompson Peak Med CtrScottsdale, AZ
- Mercy Hospital Fort SmithFort Smith, AR
Industry payments (Open Payments)
- 2025$100.67 · 4 payments from 3 companies
- 2024$50.45 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $37.24 | 2 |
| Regeneron Healthcare Solutions, Inc. | $32.21 | 1 |
| Genzyme Corporation | $31.22 | 1 |
What the 2025 payments were for
- Food and Beverage$100.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 otolaryngologists in Scottsdale · All otolaryngologists in Arizona