Katherine Garczynski, NP
NPI 1417846544 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Garczynski, NP is a Nurse Practitioner provider in Boston, MA (NPI 1417846544).
Provider details
- NPI number
- 1417846544
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sole proprietor
- No
- License
- RN2355992 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% 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
- 2025-07-02
- Last updated
- 2025-10-03
- Certified
- 2025-10-03
Frequently asked questions
- What is Katherine Garczynski's NPI number?
- Katherine Garczynski's National Provider Identifier (NPI) is 1417846544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Garczynski's specialty?
- Katherine Garczynski is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Garczynski located?
- Katherine Garczynski's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Katherine Garczynski's phone number?
- The practice phone number listed in the NPPES registry for Katherine Garczynski is (617) 643-1464.
- Does Katherine Garczynski accept Medicare?
- Katherine Garczynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Garczynski's NPI active?
- Yes — Katherine Garczynski's NPI (1417846544) is active in the NPPES registry as of the last update on 2025-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.