Callie Walter
NPI 1225887987 · Certified Registered Nurse Anesthetist · New Haven, CT
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Callie Walter is a Certified Registered Nurse Anesthetist provider in New Haven, CT (NPI 1225887987).
Provider details
- NPI number
- 1225887987
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 96190 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1450 Chapel StNew Haven, CT 06511-4405Phone: (203) 688-4242
Registry dates
- Enumerated
- 2024-05-15
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Callie Walter's NPI number?
- Callie Walter's National Provider Identifier (NPI) is 1225887987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Callie Walter's specialty?
- Callie Walter is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Callie Walter located?
- Callie Walter's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Callie Walter's phone number?
- The practice phone number listed in the NPPES registry for Callie Walter is (203) 688-4242.
- Does Callie Walter accept Medicare?
- Callie Walter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Callie Walter's NPI active?
- Yes — Callie Walter's NPI (1225887987) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.