Diana Grant, LMHC
NPI 1124821780 · Mental Health Counselor · Copiague, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Grant, LMHC is a Mental Health Counselor provider in Copiague, NY (NPI 1124821780).
Provider details
- NPI number
- 1124821780
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- No
- License
- 015920 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-03-29
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Diana Grant's NPI number?
- Diana Grant's National Provider Identifier (NPI) is 1124821780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Grant's specialty?
- Diana Grant is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Diana Grant located?
- Diana Grant's practice location on file with NPPES is 903 Montauk Hwy Unit C, Copiague, NY 11726-4903.
- What is Diana Grant's phone number?
- The practice phone number listed in the NPPES registry for Diana Grant is (631) 948-4549.
- Does Diana Grant accept Medicare?
- Diana Grant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Grant's NPI active?
- Yes — Diana Grant's NPI (1124821780) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.