DIANA ELICIA GRANT LMHC
NPI 1124821780
Counselor - Mental Health in Copiague, NY

Active since March 29, 2025PECOS Enrolled
903 MONTAUK HWY UNIT C, COPIAGUE, NY 11726(631) 948-4549 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 23, 2025, Mar 29, 2025 (2 updates tracked since 2025).

About Diana Elicia Grant Lmhc NPPES

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

DIANA ELICIA GRANT LMHC (NPI 1124821780) is an individual mental health provider in Copiague, New York, licensed in New York (015920) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124821780
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDIANA ELICIA GRANTCredential: LMHC
Location Address903 MONTAUK HWY UNIT CCopiague, NY 11726-4903
Mailing Address903 Montauk Hwy Unit C7020Copiague, NY 11726-4903 · (631) 948-4549
Sole ProprietorNo
Enumeration DateMarch 29, 2025
Last NPPES UpdateJune 23, 20252 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
✔ NPI 1124821780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · 015920
903 MONTAUK HWY UNIT C, Copiague, NY 11726

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Elicia Grant Lmhc 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 Diana Grant reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health
160 HOWELLS RD STE 3
Bay Shore, NY 11706
  • Reassigned Medicare billing, New York enrollment

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

Other Providers at the Same Location NPPES

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

Counselor (Mental Health)
903 MONTAUK HWY UNIT C
COPIAGUE, NY 11726

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 Diana Grant's NPI number?

The NPI number for Diana Grant is 1124821780. It was assigned to this individual provider in the NPPES registry on March 29, 2025.

Where is Diana Grant located?

Diana Grant practices at 903 Montauk Hwy Unit C, Copiague, NY 11726. The listed phone number is (631) 948-4549.

What is Diana Grant's specialty?

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

Is Diana Grant enrolled in Medicare?

Yes. Diana Grant is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Grant's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Grant reassigns Medicare benefits to Diana Grant Mental Health Counseling PLLC (Bay Shore, 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 Diana Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Grant accept?

Health plans from Oscar Health list Diana Grant 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 Diana Grant was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.