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Certified Registered Nurse Anesthetist (CRNA)

Kristen Tweedy, CNA

Works at hospitals in Ashland, WI · Hancock, MI · Wisconsin, Michigan

Summary

Kristen Tweedy, CNA (Certified Registered Nurse Anesthetist (CRNA)) is listed by Medicare at 2 hospitals in Ashland, WI and Hancock, MI. NPI 1891133559. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen Tweedy, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Certified Registered Nurse Anesthetist (CRNA)Primary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
FemaleGender (as listed)
Memorial Medical Center IncGroup practice (+1 more)

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.

Practice locations

Addresses where Kristen Tweedy is enrolled with Medicare (CMS data updated 2026-10-02).

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.

All nurse anesthetists in Ashland →

Clinician information

CredentialCNA
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891133559
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians