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KATHERINE WARGO GRUSKAY PNP
NPI 1053840546
Nurse Practitioner - Pediatrics in Branford, CT

Active since June 08, 2017PECOS Enrolled
682 E MAIN ST, BRANFORD, CT 06405(203) 481-5591 Get Directions Write a Review

NPPES record last updated: November 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 22, 2022, Jul 13, 2022, Jul 3, 2017 and 1 more (4 updates tracked since 2017).

About Katherine Wargo Gruskay Pnp NPPES

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

KATHERINE WARGO GRUSKAY PNP (NPI 1053840546) is an individual pediatrics provider in Branford, Connecticut, licensed in Connecticut (9928) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1053840546
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameKATHERINE WARGO GRUSKAYCredential: PNP
Location Address682 E MAIN STBranford, CT 06405-2907
Mailing Address682 E Main StBranford, CT 06405-2907 · (203) 481-5591
Phone(203) 481-5591
Sole ProprietorYes
Enumeration DateJune 8, 2017
Last NPPES UpdateNovember 22, 20224 updates tracked since enumeration
NPPES CertifiedNovember 22, 2022
✔ NPI 1053840546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
Licenses✔ Licensed in CT · 9928✔ Licensed in NY · 382784
Also ListedRegistered NurseTaxonomy 163W00000X · License 10.129329 (CT), 71152 (NY)
682 E MAIN ST, Branford, CT 06405
Open in Google Maps ↗

Secondary Practice Location 1

Location 12265 3rd AveNew York, NY 10035-2231 · Phone (860) 304-3202

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Wargo Gruskay Pnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Katherine Gruskay reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New York University
1,097 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964
Scottsdale Physicians Group Plc
2,195 mi
Internal Medicine
7975 N HAYDEN RD STE D354
Scottsdale, AZ 85258
  • Reassigned Medicare billing, Arizona enrollment
  • 97 clinicians in this Medicare group
NPI 1689799579 (480) 214-9720
United Telehealth Corp
2,195 mi
Internal Medicine
7975 N HAYDEN RD STE D354
Scottsdale, AZ 85258
  • Reassigned Medicare billing, Arizona enrollment
  • 32 clinicians in this Medicare group
NPI 1760036966 (480) 214-9720

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06405 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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 6

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

DR. ALAN MEYERS M.D.
Pediatrics
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591
CHINELO OKWUOSA M.D..
Pediatrics
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591
DR. LINDA ANN WALDMAN M.D.
Pediatrics
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591
DR. JONATHAN ERIC HARWIN M.D.
Pediatrics
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591
JEANNINE M ROCKEFELLER APRN
Nurse Practitioner (Family)
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591
DR. DAWN C TORRES M.D.
Pediatrics
682 E MAIN ST
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5591

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 Katherine Gruskay's NPI number?

The NPI number for Katherine Gruskay is 1053840546. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Katherine Gruskay located?

Katherine Gruskay practices at 682 E Main St, Branford, CT 06405. The listed phone number is (203) 481-5591.

What is Katherine Gruskay's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Katherine Gruskay enrolled in Medicare?

Yes. Katherine Gruskay is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Gruskay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Gruskay reassigns Medicare benefits to 3 organizations: New York University (Boynton Beach, FL), Scottsdale Physicians Group Plc (Scottsdale, AZ) and United Telehealth Corp (Scottsdale, AZ). 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 Katherine Gruskay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Gruskay accept?

Health plans from Imperial Insurance Companies, Inc. and UnitedHealthcare list Katherine Gruskay as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Gruskay was last updated on November 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.