Quick answers
- Which hospitals does Crystal Neises work at?
- Medicare's official clinician data lists Crystal Neises at 5 hospitals: Mercy Hospital - Cassville, Mercy Hospital Aurora, Mercy Hospital Joplin, Mercy Hospital Northwest Arkansas and Mercy Hospital Springfield. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Crystal Neises see patients?
- Medicare's clinician data lists 3 practice locations, including Rolla, MO, Springfield, MO and Cassville, MO. Call before your visit to confirm the address.
- What is Crystal Neises's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Crystal Neises accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal Neises 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 Crystal Neises?
- (417) 888-6735, as listed in official Medicare / NPI Registry data.
- What is Crystal Neises's NPI number?
- 1770020141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Crystal Neises works
Medicare's Facility Affiliation Data lists Crystal Neises at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital - CassvilleCassville, MO · Critical Access Hospital · CCN 261317
- Mercy Hospital AuroraAurora, MO · Critical Access Hospital · CCN 261316
- Mercy Hospital JoplinJoplin, MO · Acute Care Hospital · CCN 260001
- Mercy Hospital Northwest ArkansasRogers, AR · Acute Care Hospital · CCN 040010
- Mercy Hospital SpringfieldSpringfield, MO · Acute Care Hospital · CCN 260065
Practice locations
Addresses where Crystal Neises is enrolled with Medicare (CMS data updated 2026-10-02).
- 1605 Martin Springs DrRolla, MO 65401
- 3231 S National AveSpringfield, MO 65807 (417) 888‑6735
- 92 Main StCassville, MO 65625
Group practices
Medicare enrollment lists Crystal Neises as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Springfield Communities1,120 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Rolla
Clinicians with the same Medicare primary specialty in Rolla, MO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770020141 |
| 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