Quick answers
- Which hospitals does Cassandra D. Ault work at?
- Medicare's official clinician data lists Cassandra D. Ault at 2 hospitals: Corewell Health Watervliet Hospital and Lakeland Hospital, St Joseph. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cassandra D. Ault see patients?
- Medicare's clinician data lists 3 practice locations, including Saint Joseph, MI and Niles, MI. Call before your visit to confirm the address.
- What is Cassandra D. Ault's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Cassandra D. Ault accept Medicare assignment?
- Yes. Medicare's clinician data says Cassandra D. Ault 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 Cassandra D. Ault?
- (269) 983-8300, as listed in official Medicare / NPI Registry data.
- What is Cassandra D. Ault's NPI number?
- 1487315404. 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 D. Ault works
Medicare's Facility Affiliation Data lists Cassandra D. Ault at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Watervliet HospitalWatervliet, MI · Acute Care Hospital · CCN 230078
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · CCN 230021
Practice locations
Addresses where Cassandra D. Ault is enrolled with Medicare (CMS data updated 2026-10-02).
- 1234 Napier AveSaint Joseph, MI 49085 (269) 983‑8300
- 31 N Saint Joseph AveNiles, MI 49120
- 3950 Hollywood RdSaint Joseph, MI 49085
Group practices
Medicare enrollment lists Cassandra D. Ault as a member of this group (CMS data updated 2026-10-02).
- Lakeland Medical Practices281 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Saint Joseph
Clinicians with the same Medicare primary specialty in Saint Joseph, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487315404 |
| 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