Mark Steven Spitzer
NPI 1407848435ActiveIndividual· Otolaryngology· Merced, CA
Otolaryngology with Timothy S Johnston MD PC, practicing in Merced, California. In 2024 Medicare paid $84,674 for 560 patients, and Part D covered 1,348 of their prescriptions, 81% of them generic. Smith+nephew, Inc. was the largest of 2 companies reporting payments in 2025, $56.03 in all, mostly food and beverage. Lists Mercy Medical Center as a hospital affiliation.
Overview
| NPI | 1407848435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 16, 2005 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 20A5347 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 560 |
|---|---|
| Services billed | 1,295 across 46 procedure codes |
| Paid by Medicare | $84,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,348 · 2,988 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $32,762 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- Timothy S Johnston MD PCMerced, CA · 8 clinicians
Hospital affiliation
- Mercy Medical CenterMerced, CA
Industry payments (Open Payments)
- 2025$56.03 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $29.42 | 1 |
| Regeneron Healthcare Solutions, Inc. | $26.61 | 1 |
What the 2025 payments were for
- Food and Beverage$56.03 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other otolaryngologists in Merced
- 1972483493