Quick answers
- Which hospitals does David Zack work at?
- Medicare's official clinician data lists David Zack at 5 hospitals: Bay Park Community Hospital, Fulton County Health Center, Mercy St Vincent Medical Center, ProMedica Toledo Hospital and Wood County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Zack see patients?
- Medicare's clinician data lists 1 practice location in Toledo, OH. Call before your visit to confirm the address.
- What is David Zack's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does David Zack accept Medicare assignment?
- Yes. Medicare's clinician data says David Zack 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 David Zack?
- (419) 471-1350, as listed in official Medicare / NPI Registry data.
- What is David Zack's NPI number?
- 1407955008. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Zack works
Medicare's Facility Affiliation Data lists David Zack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bay Park Community HospitalOregon, OH · Acute Care Hospital · CCN 360259
- Fulton County Health CenterWauseon, OH · Critical Access Hospital · CCN 361333
- Mercy St Vincent Medical CenterToledo, OH · Acute Care Hospital · CCN 360112
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · CCN 360068
- Wood County HospitalBowling Green, OH · Acute Care Hospital · CCN 360029
Practice locations
Addresses where David Zack is enrolled with Medicare (CMS data updated 2026-10-02).
- 4841 Monroe St, Suite 110Toledo, OH 43623 (419) 471‑1350
Group practices
Medicare enrollment lists David Zack as a member of this group (CMS data updated 2026-10-02).
- Northwest Ohio Gastroenterology Associates Inc6 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Toledo
Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407955008 |
| 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