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Anesthesiology

Kristen Williams, MD

Works at hospitals in New Haven, CT · Connecticut

Summary

Kristen Williams, MD (Anesthesiology) is listed by Medicare at 1 hospital in New Haven, CT. NPI 1104400316. 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 Williams, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
F H Netter, M.d. School Of Med At Quinnipiac UnivMedical school
FemaleGender (as listed)
Yale UniversityGroup practice

Quick answers

Which hospitals does Kristen Williams work at?
Medicare's official clinician data lists Kristen Williams at 1 hospital: Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kristen Williams see patients?
Medicare's clinician data lists 1 practice location in New Haven, CT. Call before your visit to confirm the address.
What is Kristen Williams's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Kristen Williams accept Medicare assignment?
Yes. Medicare's clinician data says Kristen Williams 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 Williams?
(203) 688-4242, as listed in official Medicare / NPI Registry data.
What is Kristen Williams's NPI number?
1104400316. 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 Williams works

Medicare's Facility Affiliation Data lists Kristen Williams 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 Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kristen Williams as a member of this group (CMS data updated 2026-10-02).

  • Yale University2,645 clinicians in the group

Specialties

Find other Anesthesiology doctors in Connecticut →

Other anesthesiologists in New Haven

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

All anesthesiologists in New Haven →

Clinician information

CredentialMD
Medical schoolF H Netter, M.d. School Of Med At Quinnipiac Univ
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104400316
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