Kristen Williams, MD
NPI 1104400316 · Anesthesiology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Williams, MD is a Anesthesiology Physician provider in New Haven, CT (NPI 1104400316).
Provider details
- NPI number
- 1104400316
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-12
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Kristen Williams's NPI number?
- Kristen Williams's National Provider Identifier (NPI) is 1104400316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Williams's specialty?
- Kristen Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Williams located?
- Kristen Williams's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Kristen Williams's phone number?
- The practice phone number listed in the NPPES registry for Kristen Williams is (203) 785-2802.
- Does Kristen Williams accept Medicare?
- Kristen Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Williams's NPI active?
- Yes — Kristen Williams's NPI (1104400316) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.