Quick answers
- Which hospitals does Crystal J. Marx work at?
- Medicare's official clinician data lists Crystal J. Marx at 1 hospital: Bozeman Health Deaconess Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Crystal J. Marx see patients?
- Medicare's clinician data lists 2 practice locations, including Three Forks, MT and Bozeman, MT. Call before your visit to confirm the address.
- What is Crystal J. Marx's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Crystal J. Marx accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal J. Marx 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 J. Marx?
- (406) 285-3251, as listed in official Medicare / NPI Registry data.
- What is Crystal J. Marx's NPI number?
- 1770135782. 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 J. Marx works
Medicare's Facility Affiliation Data lists Crystal J. Marx at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospital · CCN 270057
Practice locations
Addresses where Crystal J. Marx is enrolled with Medicare (CMS data updated 2026-10-02).
- 16 Railway AveThree Forks, MT 59752 (406) 285‑3251
- 935 Highland Blvd, Suite 2180Bozeman, MT 59715 (406) 414‑5512
Group practices
Medicare enrollment lists Crystal J. Marx as a member of these groups (CMS data updated 2026-10-02).
- Bozeman Health Deaconess Hospital320 clinicians in the group
- Bates Family Diversified LLC6 clinicians in the group
- Three Rivers Clinic, LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Three Forks
Clinicians with the same Medicare primary specialty in Three Forks, MT — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770135782 |
| 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