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Certified Registered Nurse Anesthetist (CRNA)

Kristen Southwick

Works at hospitals in New Haven, CT · Connecticut

Summary

Kristen Southwick is a nurse anesthetist at 20 York St, New Haven, CT 06510. Phone: (203) 688-4242. Accepts Medicare assignment. In 2024, Kristen Southwick had 29 Original Medicare patients and 30 services. NPI 1508436684. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 20 York St, New Haven, CT 06510 · Directions
  • Phone: (203) 688‑4242
  • Medicare: Accepts Medicare assignment
  • Hospital: Yale-New Haven Hospital
  • Group practice: Yale University
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen Southwick, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kristen Southwick accept Medicare assignment?
Yes. Medicare's clinician data says Kristen Southwick accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kristen Southwick see?
In 2024, CMS data shows 29 Original Medicare patients and 30 services for Kristen Southwick. This counts Original Medicare only and measures volume, not quality.
What is Kristen Southwick's NPI number?
1508436684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kristen Southwick, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients29
Services billed to Medicare30
Different services or procedures13
Participating Medicare providerYes
Average age of these patients68

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis59%
  • Anxiety52%
  • Diabetes38%

Hospitals where Kristen Southwick works

Medicare's Facility Affiliation Data lists Kristen Southwick at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kristen Southwick is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristen Southwick as a member of this group (CMS data updated October 2, 2026).

  • Yale University2,645 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Connecticut →

Other nurse anesthetists in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

All nurse anesthetists in New Haven →

Other clinicians in Yale University

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508436684
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians