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TRESHA D MARAGH NP
NPI 1134518665
Nurse Practitioner - Psychiatric/Mental Health in Hicksville, NY

Active since January 21, 2015PECOS Enrolled
950 S OYSTER BAY RD, HICKSVILLE, NY 11801(516) 822-6111 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 9, 2026, Mar 28, 2023 (2 updates tracked since 2023).

About Tresha D Maragh Np NPPES

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

TRESHA D MARAGH NP (NPI 1134518665) is an individual psychiatric/mental health provider in Hicksville, New York, licensed in New York (403801) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134518665
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTRESHA D MARAGHCredential: NP
Location Address950 S OYSTER BAY RDHicksville, NY 11801-3510
Mailing Address950 S Oyster Bay RdHicksville, NY 11801-3510 · (516) 822-6111
Phone(516) 822-6111
Sole ProprietorNo
Enumeration DateJanuary 21, 2015
Last NPPES UpdateApril 9, 20262 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
✔ NPI 1134518665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NY · 403801
950 S OYSTER BAY RD, Hicksville, NY 11801
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tresha D Maragh Np 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 Reassignment

Medicare enrollment records show Tresha Maragh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Nassau Guidance & Counseling Services, Inc.
Same address
Community/Behavioral Health
950 S OYSTER BAY RD
Hicksville, NY 11801
  • Reassigned Medicare billing, New York enrollment
  • 77 clinicians in this Medicare group
NPI 1114928462 (516) 822-6111

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 11801 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 20

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

MISS ELIZABETH SUSAN PULLARA LMSW
Social Worker
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
YOLANDA HARRELL
Peer Specialist
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
LATOYA WILLIAMS MHC
Counselor (Mental Health)
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
CAITLIN ROSE GARCIA
Case Manager/Care Coordinator
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
DARIEN JENKINS
Counselor
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
MR. ORLANDO DEVAL ISAAC
Counselor
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111
CATHERINE CLARKE
Case Manager/Care Coordinator
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 495-8034
FRANK SIRIANNI
Student in an Organized Health Care Education/Training Program
950 S OYSTER BAY RD
HICKSVILLE, NY 11801
Nassau County (516) 822-6111

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 Tresha Maragh's NPI number?

The NPI number for Tresha Maragh is 1134518665. It was assigned to this individual provider in the NPPES registry on January 21, 2015.

Where is Tresha Maragh located?

Tresha Maragh practices at 950 S Oyster Bay Rd, Hicksville, NY 11801. The listed phone number is (516) 822-6111.

What is Tresha Maragh's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Tresha Maragh enrolled in Medicare?

Yes. Tresha Maragh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tresha Maragh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tresha Maragh reassigns Medicare benefits to Central Nassau Guidance & Counseling Services, Inc. (Hicksville, NY). The 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 Tresha Maragh'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 Tresha Maragh was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.