Mark R. Homicz, M.D.
NPI 1336198449ActiveIndividual· Otolaryngology· Santa Rosa, CA
Otolaryngology (M.D.) in Santa Rosa, California, trained at Yale University School of Medicine (class of 1998). 509 Medicare patients in 2024, $190,055 paid; nearly all of their 406 Part D prescriptions were generic (93%). Glaxosmithkline, LLC. was the largest of 5 companies reporting payments in 2025, $419.10 in all, mostly food and beverage.
Overview
| NPI | 1336198449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Feb 7, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A70413 | CA |
| Otolaryngology, Plastic Surgery within the Head & Neck | 207YX0007X | A70413 | 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 | 509 |
|---|---|
| Services billed | 1,788 across 106 procedure codes |
| Paid by Medicare | $190,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 406 · 541 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $7,745 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- Regents Univ of California UCSFSan Francisco, CA · 283 clinicians
Hospital affiliations
- Adventist Health Ukiah ValleyUkiah, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
- Marinhealth Medical CenterGreenbrae, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Industry payments (Open Payments)
- 2025$419.10 · 15 payments from 5 companies
- 2024$209.70 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $160.77 | 6 |
| Regeneron Healthcare Solutions, Inc. | $116.32 | 4 |
| Genzyme Corporation | $73.52 | 2 |
| Smith+nephew, Inc. | $50.59 | 2 |
| Octapharma USA, Inc. | $17.90 | 1 |
What the 2025 payments were for
- Food and Beverage$419.10 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 otolaryngologists in Santa Rosa · All otolaryngologists in California