Catherine Devine-Grehan, PH.D.
NPI 1851680672 · School Psychologist · Lynbrook, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Devine-Grehan, PH.D. is a School Psychologist provider in Lynbrook, NY (NPI 1851680672).
Provider details
- NPI number
- 1851680672
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 012130 (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
15 yrs 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
- 2011-04-01
- Last updated
- 2020-10-30
- Certified
- 2020-10-30
Frequently asked questions
- What is Catherine Devine-Grehan's NPI number?
- Catherine Devine-Grehan's National Provider Identifier (NPI) is 1851680672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Devine-Grehan's specialty?
- Catherine Devine-Grehan is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Catherine Devine-Grehan located?
- Catherine Devine-Grehan's practice location on file with NPPES is 365 Sunrise Hwy, Lynbrook, NY 11563-3027.
- What is Catherine Devine-Grehan's phone number?
- The practice phone number listed in the NPPES registry for Catherine Devine-Grehan is (516) 238-8733.
- Does Catherine Devine-Grehan accept Medicare?
- Catherine Devine-Grehan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Devine-Grehan's NPI active?
- Yes — Catherine Devine-Grehan's NPI (1851680672) is active in the NPPES registry as of the last update on 2020-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.