1. Home
  2. Directory
  3. New York
  4. West Babylon
  5. Counselor
  6. NPI Profile

NADINE OQUENDO-GUARNERI
NPI 1710685912
Counselor - Mental Health in West Babylon, NY

Active since February 17, 2023PECOS EnrolledAccepts Medicare Assignment
538 WINDMILL AVE, WEST BABYLON, NY 11704(631) 533-2283 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 21, 2026, Feb 17, 2023 (2 updates tracked since 2023).

About Nadine Oquendo-guarneri NPPES

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

NADINE OQUENDO-GUARNERI (NPI 1710685912) is an individual mental health provider in West Babylon, New York and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1710685912
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameNADINE OQUENDO-GUARNERI
Location Address538 WINDMILL AVEWest Babylon, NY 11704-4339
Mailing Address152 Beach 120th StRockaway Park, NY 11694-1955
Phone(631) 533-2283
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 17, 2023
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1710685912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
538 WINDMILL AVE, West Babylon, NY 11704
Open in Google Maps ↗

Other Names 1

Former Name (1)Nadine Oquendo

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

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

Nadine Oquendo-guarneri 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 ID5395281281
PECOS Enrollment IDI20240727000461
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 Nadine Oquendo-guarneri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Talkspace Medical Services Ny PC
33 mi
Mental Health (Including Community Mental Health Center)
2578 BROADWAY # 607
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 94 clinicians in this Medicare group
NPI 1790475556 (212) 284-7206
Talkspace Provider Network Ca PC
33 mi
Mental Health (Including Community Mental Health Center)
2578 BROADWAY # 607
New York, NY 10025
  • Reassigned Medicare billing, California enrollment
  • 97 clinicians in this Medicare group
NPI 1003506866 (212) 284-7206
Talkspace Provider Network PA
33 mi
Mental Health (Including Community Mental Health Center)
2578 BROADWAY # 607
New York, NY 10025
  • Reassigned Medicare billing, Maine enrollment
  • 17 clinicians in this Medicare group
NPI 1639814049 (212) 284-7206

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

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 Nadine Oquendo-guarneri's NPI number?

The NPI number for Nadine Oquendo-guarneri is 1710685912. It was assigned to this individual provider in the NPPES registry on February 17, 2023. The provider is also known as Nadine Oquendo.

Where is Nadine Oquendo-guarneri located?

Nadine Oquendo-guarneri practices at 538 Windmill Ave, West Babylon, NY 11704. The listed phone number is (631) 533-2283.

What is Nadine Oquendo-guarneri's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Nadine Oquendo-guarneri enrolled in Medicare?

Yes. Nadine Oquendo-guarneri 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 Nadine Oquendo-guarneri's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadine Oquendo-guarneri reassigns Medicare benefits to 3 organizations: Talkspace Medical Services Ny PC (New York, NY), Talkspace Provider Network Ca PC (New York, NY) and Talkspace Provider Network PA (New York, 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 Nadine Oquendo-guarneri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadine Oquendo-guarneri accept?

Health plans from Blue Cross and Blue Shield of Texas list Nadine Oquendo-guarneri 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 Nadine Oquendo-guarneri was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.