Quick answers
- Which hospitals does Melissa L. Holtz work at?
- Medicare's official clinician data lists Melissa L. Holtz at 1 hospital: Magruder Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Melissa L. Holtz see patients?
- Medicare's clinician data lists 1 practice location in Sandusky, OH. Call before your visit to confirm the address.
- What is Melissa L. Holtz's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Melissa L. Holtz accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa L. Holtz 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 Melissa L. Holtz?
- (419) 626-6700, as listed in official Medicare / NPI Registry data.
- What is Melissa L. Holtz's NPI number?
- 1679934590. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa L. Holtz works
Medicare's Facility Affiliation Data lists Melissa L. Holtz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Magruder HospitalPort Clinton, OH · Critical Access Hospital · CCN 361314
Practice locations
Addresses where Melissa L. Holtz is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 W Strub Rd, Suite 330Sandusky, OH 44870 (419) 626‑6700
Group practices
Medicare enrollment lists Melissa L. Holtz as a member of this group (CMS data updated 2026-10-02).
- Dermatologists of Southwestern Ohio, LLC116 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sandusky
Clinicians with the same Medicare primary specialty in Sandusky, OH — not a recommendation.
Clinician information
| Medical school | University Of Cincinnati College Of Medicine |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679934590 |
| 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