Quick answers
- Which hospitals does Kristen Tweedy work at?
- Medicare's official clinician data lists Kristen Tweedy at 2 hospitals: Tamarack Health Ashland Medical Center and Up Health System Portage. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kristen Tweedy see patients?
- Medicare's clinician data lists 2 practice locations, including Ashland, WI and Hancock, MI. Call before your visit to confirm the address.
- What is Kristen Tweedy's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Kristen Tweedy accept Medicare assignment?
- Yes. Medicare's clinician data says Kristen Tweedy 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 Tweedy?
- (715) 682-5500, as listed in official Medicare / NPI Registry data.
- What is Kristen Tweedy's NPI number?
- 1891133559. 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 Tweedy works
Medicare's Facility Affiliation Data lists Kristen Tweedy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tamarack Health Ashland Medical CenterAshland, WI · Critical Access Hospital · CCN 521359
- Up Health System PortageHancock, MI · Acute Care Hospital · CCN 230108
Practice locations
Addresses where Kristen Tweedy is enrolled with Medicare (CMS data updated 2026-10-02).
- 1615 Maple LnAshland, WI 54806 (715) 682‑5500
- 500 Campus DrHancock, MI 49930 (906) 483‑1000
Group practices
Medicare enrollment lists Kristen Tweedy as a member of these groups (CMS data updated 2026-10-02).
- Memorial Medical Center Inc79 clinicians in the group
- Saginaw Anesthesia Services, PLLC22 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Ashland
Clinicians with the same Medicare primary specialty in Ashland, WI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891133559 |
| 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