Katherine Costanzo, PA
NPI 1063153716 · Physician Assistant · Hartford, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Costanzo, PA is a Physician Assistant provider in Hartford, CT (NPI 1063153716).
Provider details
- NPI number
- 1063153716
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-04-06
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Katherine Costanzo's NPI number?
- Katherine Costanzo's National Provider Identifier (NPI) is 1063153716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Costanzo's specialty?
- Katherine Costanzo is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Costanzo located?
- Katherine Costanzo's practice location on file with NPPES is 282 Washington St, Hartford, CT 06106-3322.
- What is Katherine Costanzo's phone number?
- The practice phone number listed in the NPPES registry for Katherine Costanzo is (860) 545-9000.
- Does Katherine Costanzo accept Medicare?
- Katherine Costanzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Costanzo's NPI active?
- Yes — Katherine Costanzo's NPI (1063153716) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.