Quick answers
- Which hospitals does Cassandra A. Guenthardt work at?
- Medicare's official clinician data lists Cassandra A. Guenthardt at 2 hospitals: Munson Healthcare Cadillac Hospital and Munson Healthcare Manistee Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cassandra A. Guenthardt see patients?
- Medicare's clinician data lists 2 practice locations, including Manistee, MI. Call before your visit to confirm the address.
- What is Cassandra A. Guenthardt's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cassandra A. Guenthardt accept Medicare assignment?
- Yes. Medicare's clinician data says Cassandra A. Guenthardt 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 Cassandra A. Guenthardt's NPI number?
- 1427729979. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cassandra A. Guenthardt works
Medicare's Facility Affiliation Data lists Cassandra A. Guenthardt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Munson Healthcare Cadillac HospitalCadillac, MI · Acute Care Hospital · CCN 230081
- Munson Healthcare Manistee HospitalManistee, MI · Acute Care Hospital · CCN 230303
Practice locations
Addresses where Cassandra A. Guenthardt is enrolled with Medicare (CMS data updated 2026-10-02).
- 1293 E Parkdale AveManistee, MI 49660
- 1391 E Parkdale AveManistee, MI 49660
Group practices
Medicare enrollment lists Cassandra A. Guenthardt as a member of this group (CMS data updated 2026-10-02).
- Munson Healthcare Manistee Hospital27 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Manistee
Clinicians with the same Medicare primary specialty in Manistee, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427729979 |
| 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