Katherine Blackwell
NPI 1841580149 · Psychiatry Physician · New Haven, CT
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Blackwell is a Psychiatry Physician provider in New Haven, CT (NPI 1841580149).
Provider details
- NPI number
- 1841580149
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
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
15 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
- 2011-04-08
- Last updated
- 2014-09-15
Frequently asked questions
- What is Katherine Blackwell's NPI number?
- Katherine Blackwell's National Provider Identifier (NPI) is 1841580149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Blackwell's specialty?
- Katherine Blackwell is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Blackwell located?
- Katherine Blackwell's practice location on file with NPPES is 20 York Street T209, New Haven, CT 06510-3220.
- What is Katherine Blackwell's phone number?
- The practice phone number listed in the NPPES registry for Katherine Blackwell is (203) 688-2259.
- Does Katherine Blackwell accept Medicare?
- Katherine Blackwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Blackwell's NPI active?
- Yes — Katherine Blackwell's NPI (1841580149) is active in the NPPES registry as of the last update on 2014-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.