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

Jean-Jeffrey Marcellus, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1881906766

Jean-Jeffrey Marcellus, NP is a Nurse Practitioner in Rockville Centre, New York. Qualified in 2011, 15 years ago. Practices with Revcore Recovery Center of Manhattan LLC, a 9-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and New York.

Years since qualifying
15
Licensed in
CA, NY
In the registry since
2010
Specialties on file
3
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

265 Sunrise Hwy Ste 1-726
Rockville Centre, NY 11570-4912
Phone: (516) 728-0672
Show map & directions

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

Additional practice locations (1)

  • 15 2nd Ave Fl 3, Brooklyn, NY 11215-2711 — (718) 514-6007

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 305892 (NY)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 404910 (NY)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 95020542 (CA)

Record details

NPI number1881906766
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedJuly 8, 2010
Last updated in NPPESFebruary 9, 2026
Certification dateFebruary 9, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Revcore Recovery Center Of Manhattan Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rockville Centre