Quick answers
- Which hospitals does Kristen Mack work at?
- Medicare's official clinician data lists Kristen Mack at 1 hospital: Mercy Hospital Fort Smith. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kristen Mack see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Smith, AR. Call before your visit to confirm the address.
- What is Kristen Mack's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Kristen Mack accept Medicare assignment?
- Yes. Medicare's clinician data says Kristen Mack 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 Kristen Mack?
- (479) 226-8770, as listed in official Medicare / NPI Registry data.
- What is Kristen Mack's NPI number?
- 1477905214. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kristen Mack works
Medicare's Facility Affiliation Data lists Kristen Mack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040062
Practice locations
Addresses where Kristen Mack is enrolled with Medicare (CMS data updated 2026-10-02).
- 2801 Rogers AveFort Smith, AR 72901 (479) 226‑8770
- 7301 Rogers AveFort Smith, AR 72903 (479) 314‑5175
- 7600 Rogers AveFort Smith, AR 72903 (479) 226‑8340
Group practices
Medicare enrollment lists Kristen Mack as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Fort Smith Communities372 clinicians in the group
- Urgent Team of Arkansas Physicians LLC155 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fort Smith
Clinicians with the same Medicare primary specialty in Fort Smith, AR — not a recommendation.
Clinician information
| Credential | CNS |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477905214 |
| 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