Quick answers
- Which hospitals does Billy Back work at?
- Medicare's official clinician data lists Billy Back at 5 hospitals: Firelands Regional Medical Center, Fisher-Titus Hospital, Mercy Health - Tiffin Hospital, Mercy Health - Willard Hospital and OhioHealth Mansfield Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Billy Back see patients?
- Medicare's clinician data lists 4 practice locations, including Willard, OH, Toledo, OH and Tiffin, OH. Call before your visit to confirm the address.
- What is Billy Back's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Billy Back accept Medicare assignment?
- Yes. Medicare's clinician data says Billy Back 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 the phone number for Billy Back?
- (419) 964-5080, as listed in official Medicare / NPI Registry data.
- What is Billy Back's NPI number?
- 1831191444. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Billy Back works
Medicare's Facility Affiliation Data lists Billy Back at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Firelands Regional Medical CenterSandusky, OH · Acute Care Hospital · CCN 360025
- Fisher-Titus HospitalNorwalk, OH · Acute Care Hospital · CCN 360065
- Mercy Health - Tiffin HospitalTiffin, OH · Acute Care Hospital · CCN 360089
- Mercy Health - Willard HospitalWillard, OH · Critical Access Hospital · CCN 361310
- OhioHealth Mansfield HospitalMansfield, OH · Acute Care Hospital · CCN 360118
Practice locations
Addresses where Billy Back is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Neal Zick RdWillard, OH 44890 (419) 964‑5080
- 2222 Cherry StToledo, OH 43608
- 45 St Lawrence DrTiffin, OH 44883 (419) 455‑8500
- 65 W Main StGreenwich, OH 44837 (419) 752‑1811
Group practices
Medicare enrollment lists Billy Back as a member of these groups (CMS data updated 2026-10-02).
- Mercy Health Physicians-North LLC132 clinicians in the group
- Hospital Medicine Services of Ohio, Inc.39 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831191444 |
| 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