Michael Leonard Nissenbaum, PH.D.
Michael Leonard Nissenbaum is a Cognitive & Behavioral specialist based in Centereach, NY with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Michael Leonard Nissenbaum, PH.D. has practiced psychology for 38+ years, working in independent practice. He has been practicing since 2006 — over 38 years. A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theor...
Older · 6894dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
2100 Middle Country Rd Suite 28w, Centereach, NY 11720-3577
Patient Reviews
No patient reviews yet. If you've seen Michael Leonard Nissenbaum, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
38 years in practice
Senior practitioner
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
Taxonomy: 103TB0200X
Mailing address
Po Box 625, Centereach, NY 11720-0625
Differs from practice location
Virtual Cognitive & Behavioral Care With Michael Leonard Nissenbaum
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Michael Leonard Nissenbaum for follow-ups, medication reviews, and ongoing care — no travel to Centereach 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 Michael Leonard Nissenbaum
Dr. Nissenbaum is listed as active in the NPI registry with telehealth listed in Centereach, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (631) 737-9500.
Sourced from CMS NPPES · OIG LEIE. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
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.
Contact Michael Leonard Nissenbaum
Practice Location
2100 Middle Country Rd Suite 28w, Centereach, NY 11720-3577
Mailing Address
Po Box 625, Centereach, NY 11720-0625
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers