Catherine Claire Devine-Grehan, PH.D.

School Psychologist

Catherine Claire Devine-Grehan is a School Psychologist based in Lynbrook, NY with over 33 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(516) 238-8733Lynbrook, NY
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Catherine Claire Devine-Grehan, PH.D. has practiced psychology for 33+ years, working in independent practice. With 33+ years of experience, she has been practicing in the Lynbrook area. A psychologist whose specialty is concerned with the science and practice of psychology with children, youth.

1 of 5 Psychologist providers in NYSee all Psychologist in Lynbrook33+ years experienceNPI since 2011

Older · 2031dNPPES updated 2020-10-30 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

365 Sunrise Hwy, Lynbrook, NY 11563-3027

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Oct 29, 2020

    Self-reported via NPPES

  2. 33 years in practice

    Senior practitioner

PsychologistBehavioral Health & Social Service Providers

A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

Taxonomy: 103TS0200X

Practice Footprint

Mailing address

1417 Surrey Lane, Rockville Centre, NY 11570

Differs from practice location

Virtual Psychology Care With Catherine Claire Devine-Grehan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Catherine Claire Devine-Grehan for follow-ups, medication reviews, and ongoing care — no travel to Lynbrook required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Catherine Claire Devine-Grehan

NPI records show Dr. Devine-Grehan as active with telehealth listed in Lynbrook, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (516) 238-8733.

Verified across 2 federal data sources

Sourced from CMS NPPES · OIG LEIE. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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