Jean-Jeffrey Marcellus, N.P.

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

305892 Issued in NY

Practice address

265 Sunrise Hwy Ste 1-726
Rockville Centre, NY 11570-4912

Phone

(516) 728-0672

NPI assigned

Jul 8, 2010

Last updated

Feb 9, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Other names 1

• Jean-Jeffrey Marcellus Professional name

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Revcore Recovery Center of Manhattan LLCGroup PAC ID 7517344278, 8 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai West Hospital, New York, NY, CCN 330046

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts, Master of Science, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Revcore Recovery Center of Manhattan, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Brooklyn, NY
  • NPI 1154094555
  Medicare reassignment Care Compare group NPD
• Icahn School of Medicine at Mount Sinai

  dba Psychiatry Department of Mount Sinai

  • Addiction Medicine (Psychiatry & Neurology) Physician
  • New York, NY
  • NPI 1033482518
  Medicare reassignment NPD
• Icahn School of Medicine at Mount Sinai

  dba New York Eye & Ear Optical Shop

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466
  NPD
• North American Partners in Anesthesia LLP

  • Anesthesiology Physician
  • Melville, NY
  • NPI 1649264706
  NPD
• Marcellus Regisitered Prof Nurse and Nurse Practitioner in Adult Healt

  dba Marcellus Wellness and Addiction Services

  • Psychiatric/Mental Health Nurse Practitioner
  • Monroe Township, NJ
  • NPI 1891488094

  Adult Health

  NPD
• The New York and Presbyterian Hospital

  dba New York-Presbyterian Hospital

  • Psychiatric Hospital
  • New York, NY
  • NPI 1770502635
  NPD (past)
• Weill Medical College of Cornell

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1144729385
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Lukes Roosevelt Hospital Center

  • General Acute Care Hospital
  • New York, NY
  • NPI 1104982917
  Care Compare affiliation
• St. Lukes Roosevelt Hospital Center

  • Methadone Clinic
  • New York, NY
  • NPI 1609476357

  Hospital

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1278547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1881906766",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 MITCHELL DR",
            "city": "MONROE TOWNSHIP",
            "state": "NJ",
            "postal_code": "088317902",
            "telephone_number": "917-322-1663"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "265 SUNRISE HWY STE 1-726",
            "city": "ROCKVILLE CENTRE",
            "state": "NY",
            "postal_code": "115704912",
            "telephone_number": "516-728-0672"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15 2nd Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112152711",
            "country_code": "US",
            "telephone_number": "718-514-6007",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARCELLUS",
        "first_name": "JEAN-JEFFREY",
        "credential": "N.P.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-07-08",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "305892",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "404910",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "95020542",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JEAN-JEFFREY",
            "last_name": "MARCELLUS",
            "credential": "N.P",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Jonathan Manh, PA-C
• Carol Ann Manly, PH.D.
• Nancy Ellen Mannion
• Jeanne Marie Manzi, PHARMD, RPH, CGP
• Jeanelle Marcellin
• Adam Joshua Marchbein, PA
• Rachel Marciano, RN, PMHNP
• Eileen Marder-Mirman, MS, NCC, LMHC
• Jacqueline Miriam Margareten, PA-C
• Margerita Frisella-Haller, MSPT, P.C.

• Adult Health Nurse Practitioner in Rockville Centre, NY
• Providers in Rockville Centre, NY by specialty
• Adult Health Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.