Jadwiga Kretowicz, RN, FNP
NPI 1730581893 · Family Nurse Practitioner · Greenwich, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jadwiga Kretowicz, RN, FNP is a Family Nurse Practitioner provider in Greenwich, CT (NPI 1730581893).
Provider details
- NPI number
- 1730581893
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 682463 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
11 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)
- 193 Hamilton Ave Apt 10Greenwich, CT 06830-6105Phone: (845) 825-6269
Registry dates
- Enumerated
- 2014-09-20
- Last updated
- 2025-07-29
- Certified
- 2025-07-29
Frequently asked questions
- What is Jadwiga Kretowicz's NPI number?
- Jadwiga Kretowicz's National Provider Identifier (NPI) is 1730581893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jadwiga Kretowicz's specialty?
- Jadwiga Kretowicz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jadwiga Kretowicz located?
- Jadwiga Kretowicz's practice location on file with NPPES is 77 Lafayette Pl, Greenwich, CT 06830-5437.
- What is Jadwiga Kretowicz's phone number?
- The practice phone number listed in the NPPES registry for Jadwiga Kretowicz is (203) 863-3700.
- Does Jadwiga Kretowicz accept Medicare?
- Jadwiga Kretowicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jadwiga Kretowicz's NPI active?
- Yes — Jadwiga Kretowicz's NPI (1730581893) is active in the NPPES registry as of the last update on 2025-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.