Mark John Frilling, MD
NPI 1326535139ActiveIndividual· Otolaryngology· Dayton, OH
Otolaryngology (MD) in Dayton, Ohio, trained at University of Toledo College of Medicine (class of 2018). 388 Medicare patients in 2024, $108,808 paid; nearly all of their 624 Part D prescriptions were generic (96%). Cochlear Americas was the largest of 5 companies reporting payments in 2025, $323.13 in all, mostly food and beverage.
Overview
| NPI | 1326535139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2018 |
| Last updated in NPPES | Jun 12, 2023 |
| Certified by provider | Jun 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 35.147238 | OH |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 1,806 across 83 procedure codes |
| Paid by Medicare | $108,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 624 · 802 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $13,025 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Otolaryngology |
Medical group
- Southwest Ohio ENT Specialists IncDayton, OH · 43 clinicians
Hospital affiliations
- Grand Lake Health SystemSaint Marys, OH
- Kettering Health DaytonDayton, OH
- Kettering Health TroyTroy, OH
- Miami Valley HospitalDayton, OH
- Upper Valley Medical CenterTroy, OH
Industry payments (Open Payments)
- 2025$323.13 · 8 payments from 5 companies
- 2024$297.91 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cochlear Americas | $171.51 | 4 |
| Regeneron Pharmaceuticals, Inc. | $101.99 | 1 |
| Glaxosmithkline, LLC. | $20.72 | 1 |
| Genzyme Corporation | $19.35 | 1 |
| Med-El Corporation | $9.56 | 1 |
What the 2025 payments were for
- Food and Beverage$323.13 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 otolaryngologists in Dayton · All otolaryngologists in Ohio