Timothy Bernard Sullivan, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

135140 Issued in NY

Practice address

251 Central Park W Apt 1a
New York, NY 10024-4111

Phone

(914) 413-1957

Fax

(718) 226-8144

NPI assigned

Feb 8, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

Geisel School of Medicine at Dartmouth, 1977

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Phelps Hospital Hospital, Sleepy Hollow, NY, CCN 330261

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678

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

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group NPD
• Northern Westchester Hospital Association

  • General Acute Care Hospital
  • Mount Kisco, NY
  • NPI 1912992215
  NPD (past)

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

• Phelps Memorial Hospital Association

  • General Acute Care Hospital
  • Sleepy Hollow, NY
  • NPI 1720185267
  Care Compare affiliation

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

{
    "created_epoch": "1170892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1285775932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "530 MILLWOOD RD",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105493701",
            "telephone_number": "914-413-1957",
            "fax_number": "718-226-8144"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 CENTRAL PARK W APT 1A",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100244111",
            "telephone_number": "914-413-1957",
            "fax_number": "718-226-8144"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "TIMOTHY",
        "middle_name": "BERNARD",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-02-08",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "135140",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "84989",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sheila Marie Sullivan, LCSW
• Spencer William Sullivan
• Stephen Gene Sullivan, MD
• Thomas Sullivan, MD
• Timothy Sullivan, M.D.
• Timothy Joseph Sullivan
• Tom M Sullivan, D.C.
• William B. Sullivan, N.P.
• Joshua Sullum, M.D.
• Stanford Norman Sullum, MD

• Psychiatry Physician in New York, NY
• Providers in New York, NY by specialty
• Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.