Gertrude Okonkwo
Family Nurse Practitioner · Madison, CT
Gertrude Okonkwo is a family nurse practitioner with a practice address in Madison, Connecticut, and NPI 1144186081, issued on Jan 5, 2026. Check the license (Connecticut 15932, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gertrude Okonkwo
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 15932 CT
Self-reported in NPPES; status is on the state search - Practice location
- 34 Wildwood Ave, Madison, CT 06443
- Phone
- (203) 245-8008
- Enumerated
- Jan 5, 2026
- Record last updated
- Jan 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20260309000116); 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 34 Wildwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gertrude Okonkwo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 15932Check 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
- Proactive Health Care Management LLCGroton, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gertrude Okonkwo among 2,669 family nurse practitioner records in Connecticut
Gertrude Okonkwo 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 2026, is newer than 97% of them.
- NPI issued2026 · 97% of these records are older, 0% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2024 · median 2018 among the 1,664 with a school on file
- Record last updated2026 · 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).
20 family nurse practitioner records list a practice address in Madison
They are 20 of the 371 NPPES records with a practice address in Madison, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Madison → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kathy Bryson, APRNMadison, CT 064431700804044
- Meredith CarnelliMadison, CT 064431477918894
- Amanda CiampiniMadison, CT 064431689117152
- Donna Colquhoun, A.P.R.N.Madison, CT 064431548457260
- Denise Gallo, APRNMadison, CT 064431235431560
- Melissa Gionfriddo, FNP-BCMadison, CT 064431154553956
- Cynthia Hamlin, APRN, FNP-BCMadison, CT 064431992221006
- Gina Lang, FNP-BCMadison, CT 064431972165728
Common questions
What is Gertrude Okonkwo's NPI number?
Gertrude Okonkwo's National Provider Identifier (NPI) is 1144186081, issued on Jan 5, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Gertrude Okonkwo located?
The NPPES record lists a practice address at 34 Wildwood Ave, Madison, CT, 06443. Phone: (203) 245-8008. Providers update this record themselves, so call before visiting.
How can I verify Gertrude Okonkwo's license?
NPPES lists Connecticut license number 15932, 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.