Quick answers
- Which hospitals does Mark J. Frilling work at?
- Medicare's official clinician data lists Mark J. Frilling at 5 hospitals: Grand Lake Health System, Kettering Health Dayton, Kettering Health Troy, Miami Valley Hospital and Upper Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Frilling see patients?
- Medicare's clinician data lists 1 practice location in Dayton, OH. Call before your visit to confirm the address.
- What is Mark J. Frilling's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Mark J. Frilling accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Frilling accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is Mark J. Frilling's NPI number?
- 1326535139. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Frilling works
Medicare's Facility Affiliation Data lists Mark J. Frilling at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grand Lake Health SystemSaint Marys, OH · Acute Care Hospital · CCN 360032
- Kettering Health DaytonDayton, OH · Acute Care Hospital · CCN 360133
- Kettering Health TroyTroy, OH · Acute Care Hospital · CCN 360368
- Miami Valley HospitalDayton, OH · Acute Care Hospital · CCN 360051
- Upper Valley Medical CenterTroy, OH · Acute Care Hospital · CCN 360174
Practice locations
Addresses where Mark J. Frilling is enrolled with Medicare (CMS data updated 2026-10-02).
- 1222 S Patterson Blvd, Suite 400Dayton, OH 45402
Group practices
Medicare enrollment lists Mark J. Frilling as a member of this group (CMS data updated 2026-10-02).
- Southwest Ohio Ent Specialists Inc43 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Dayton
Clinicians with the same Medicare primary specialty in Dayton, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Toledo College Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326535139 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians