Quick answers
- Which hospitals does Casie M. Grass work at?
- Medicare's official clinician data lists Casie M. Grass at 5 hospitals: Cox Medical Center Branson, Cox Medical Centers, Mercy Hospital Aurora, Mercy Hospital Lebanon and Mercy Hospital Springfield. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Casie M. Grass see patients?
- Medicare's clinician data lists 9 practice locations, including Springfield, MO and Branson, MO. Call before your visit to confirm the address.
- What is Casie M. Grass's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Casie M. Grass accept Medicare assignment?
- Yes. Medicare's clinician data says Casie M. Grass 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 Casie M. Grass?
- (417) 820-3905, as listed in official Medicare / NPI Registry data.
- What is Casie M. Grass's NPI number?
- 1790662583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Casie M. Grass works
Medicare's Facility Affiliation Data lists Casie M. Grass at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cox Medical Center BransonBranson, MO · Acute Care Hospital · CCN 260094
- Cox Medical CentersSpringfield, MO · Acute Care Hospital · CCN 260040
- Mercy Hospital AuroraAurora, MO · Critical Access Hospital · CCN 261316
- Mercy Hospital LebanonLebanon, MO · Acute Care Hospital · CCN 260059
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · CCN 260065
Practice locations
Addresses where Casie M. Grass is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1235 E Cherokee StSpringfield, MO 65804
- 2055 S Fremont AveSpringfield, MO 65804
- 2115 S Fremont Ave, 3050 Mc Infectious Disease WhitesideSpringfield, MO 65804 (417) 820‑3905
- 2115 S Fremont Ave, 3100 Mc Lab and Imaging Services WhitesideSpringfield, MO 65804 (417) 820‑3738
- 3045 S National AveSpringfield, MO 65804
Group practices
Medicare enrollment lists Casie M. Grass as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Springfield Communities1,120 clinicians in the group
- Lester E Cox Medical Centers345 clinicians in the group
- Skaggs Community Hospital Association221 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790662583 |
| 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