Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. Jon Jason Marrelli, PSYD

Individual provider Clinical Psychologist · NPI 1689845893

Mr. Jon Jason Marrelli, PSYD is a Clinical Psychologist in Brooklyn, New York. Qualified in 2006, 20 years ago. Practices with NYU Langone Hospitals, a 247-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
20
Licensed in
NY
In the registry since
2008
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

514 49th St Lmc Sunset Terrace Fhc
Brooklyn, NY 11220-2010
Phone: (718) 854-1851
Fax: (718) 437-5239
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 017437 (NY)

Record details

NPI number1689845893
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMarch 14, 2008
Last updated in NPPESAugust 13, 2021
Certification dateAugust 13, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Nyu Langone Hospitals — 247 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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