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DR. GWENDOLYN DENISE COSTANTINI DNP, FNPC
NPI 1619112166
Nurse Practitioner - Family in Brooklyn, NY

Active since December 12, 2008PECOS EnrolledAccepts Medicare Assignment
331 KNICKERBOCKER AVE, BROOKLYN, NY 11237(718) 971-1944(718) 971-1945 Get Directions Write a Review

NPPES record last updated: July 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Gwendolyn Denise Costantini Dnp, Fnpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GWENDOLYN DENISE COSTANTINI DNP, FNPC (NPI 1619112166) is an individual family provider in Brooklyn, New York, licensed in New York (F330635) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1619112166
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. GWENDOLYN DENISE COSTANTINICredential: DNP, FNPC
Location Address331 KNICKERBOCKER AVEBrooklyn, NY 11237-3601
Mailing Address1797 Pitkin AveBrooklyn, NY 11212-7839 · (718) 971-1944 · Fax (718) 971-1945
Phone(718) 971-1944
Fax(718) 971-1945
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 12, 2008
Last NPPES UpdateJuly 18, 2025
NPPES CertifiedJuly 18, 2025
✔ NPI 1619112166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F330635
331 KNICKERBOCKER AVE, Brooklyn, NY 11237
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gwendolyn Denise Costantini Dnp, Fnpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476866369
PECOS Enrollment IDI20150721002607
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Gwendolyn Costantini reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Doral Medical And Multi Specialty Facility LLC
2.3 mi
Multi-Specialty
1797 PITKIN AVE
Brooklyn, NY 11212
  • Reassigned Medicare billing, New York enrollment
  • 73 clinicians in this Medicare group
NPI 1144693607 (718) 367-2555
Ny Family Practice Physicians, PC
3.5 mi
Primary Care
86 16 JAMAICA AVE
Woodhaven, NY 11421
  • Reassigned Medicare billing, New York enrollment
  • 25 clinicians in this Medicare group
NPI 1790936854 (718) 805-0037

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
95 services35 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
24 services19 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
21 services21 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11237 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALONDRA VILLANUEVA SANCHEZ NP
Nurse Practitioner (Adult Health)
331 KNICKERBOCKER AVE
BROOKLYN, NY 11237
Kings County (718) 400-1444
YELLOW BEAR PEDIATRIC DENTISTRY, PLLC
Dentist (Pediatric Dentistry)
331 KNICKERBOCKER AVE, SUITE 3B
BROOKLYN, NY 11237
Kings County (717) 201-8047

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gwendolyn Costantini's NPI number?

The NPI number for Gwendolyn Costantini is 1619112166. It was assigned to this individual provider in the NPPES registry on December 12, 2008.

Where is Gwendolyn Costantini located?

Gwendolyn Costantini practices at 331 Knickerbocker Ave, Brooklyn, NY 11237. The listed phone number is (718) 971-1944.

What is Gwendolyn Costantini's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Gwendolyn Costantini enrolled in Medicare?

Yes. Gwendolyn Costantini is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gwendolyn Costantini's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Costantini reassigns Medicare benefits to 2 organizations: Doral Medical And Multi Specialty Facility LLC (Brooklyn, NY) and Ny Family Practice Physicians, PC (Woodhaven, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gwendolyn Costantini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gwendolyn Costantini was last updated on July 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.