Jadwiga Kretowicz, RN, FNP
Family Nurse Practitioner · Greenwich, CT
Jadwiga Kretowicz, RN, FNP is a family nurse practitioner with a practice address in Greenwich, Connecticut, and NPI 1730581893, issued on Sep 20, 2014. Check the license (Connecticut 13044, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jadwiga Kretowicz
- Credential
- RN, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 13044 CT
682463 NY
F353717-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 77 Lafayette PL, Greenwich, CT 06830
- Phone
- (203) 863-3700
- Enumerated
- Sep 20, 2014
- Record last updated
- Jul 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20241118002945); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 77 Lafayette PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jadwiga Kretowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 13044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Yale UniversityStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jadwiga Kretowicz among 2,669 family nurse practitioner records in Connecticut
Jadwiga Kretowicz, RN, FNP is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 29% of them.
- NPI issued2014 · 29% of these records are older, 67% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2023 · median 2018 among the 1,664 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family nurse practitioner records list a practice address in Greenwich
They are 39 of the 1,184 NPPES records with a practice address in Greenwich, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Greenwich → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Katie Atkinson, C-FNPGreenwich, CT 068301306079819
- Alejandro Belistri, FNPGreenwich, CT 068301467921981
- Anne Brown, RN, FNP-BC, IBCLCGreenwich, CT 068301508031238
- Theresa Darnow, APRNGreenwich, CT 068301104961119
- Silvi George, NP-CGreenwich, CT 068301871871103
- Christine Higgins, DNP, CNM, FNP-CGreenwich, CT 068301982160123
- Lisa Luehman, FNP-BC, NP-CGreenwich, CT 068301841653086
- Jolene Martin, APRNGreenwich, CT 068301508011883
Common questions
What is Jadwiga Kretowicz, RN, FNP's NPI number?
Jadwiga Kretowicz, RN, FNP's National Provider Identifier (NPI) is 1730581893, issued on Sep 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jadwiga Kretowicz, RN, FNP located?
The NPPES record lists a practice address at 77 Lafayette PL, Greenwich, CT, 06830. Phone: (203) 863-3700. Providers update this record themselves, so call before visiting.
How can I verify Jadwiga Kretowicz, RN, FNP's license?
NPPES lists Connecticut license number 13044, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.