Gwendolyn Denise Costantini, DNP, FNPC
Family Nurse Practitioner · Brooklyn, NY
Gwendolyn Denise Costantini, DNP, FNPC is a family nurse practitioner with a practice address in Brooklyn, New York, and NPI 1619112166, issued on Dec 12, 2008. Check the license (New York F330635, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Denise Costantini
- Credential
- DNP, FNPC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F330635 NY
Self-reported in NPPES; status is on the state search - Practice location
- 331 Knickerbocker Ave, Brooklyn, NY 11237
- Phone
- (718) 971-1944
- Enumerated
- Dec 12, 2008
- Record last updated
- Jul 18, 2025
- Fax
- (718) 971-1945
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 331 Knickerbocker Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alondra Villanueva Sanchez, NPAdult Health Nurse Practitioner1770310831
Verify Gwendolyn Denise Costantini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F330635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average family nurse practitioner in 2024
2,291 Medicare Part D claims for 241 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium214 claims
- Amlodipine Besylate141 claims
- Losartan Potassium126 claims
- Metformin Hcl120 claims
- Levothyroxine Sodium78 claims
- Simvastatin67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gwendolyn Denise Costantini among 14,805 family nurse practitioner records in New York
Gwendolyn Denise Costantini, DNP, FNPC is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2025 · 45% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,244 family nurse practitioner records list a practice address in Brooklyn
They are 1,244 of the 64,057 NPPES records with a practice address in Brooklyn, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Brooklyn → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Hoda Abdelaziz, FNPBrooklyn, NY 112371407193295
- Leonora Akikovski, FNPBrooklyn, NY 112371669950093
- Jacinth CampbellBrooklyn, NY 112371720562341
- Mareena Creary, NPBrooklyn, NY 112371487293114
- Ann Flaherty, FNPBrooklyn, NY 112371649748088
- Nadia Lee, F.N.PBrooklyn, NY 112371538513114
- Chiamaka Onyejiukwa, NPBrooklyn, NY 112371356687743
- Anneesia Reece-Fraser, NPBrooklyn, NY 112371801418587
Common questions
What is Gwendolyn Denise Costantini, DNP, FNPC's NPI number?
Gwendolyn Denise Costantini, DNP, FNPC's National Provider Identifier (NPI) is 1619112166, issued on Dec 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Denise Costantini, DNP, FNPC located?
The NPPES record lists a practice address at 331 Knickerbocker Ave, Brooklyn, NY, 11237. Phone: (718) 971-1944. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Denise Costantini, DNP, FNPC's license?
NPPES lists New York license number F330635, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Gwendolyn Denise Costantini, DNP, FNPC prescribe under Medicare Part D?
In 2024, Gwendolyn Denise Costantini, DNP, FNPC had 2,291 Medicare Part D claims for 241 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.