Mitchell Long, DO

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

322584 Issued in NY

Practice address

115 Eileen Way
Syosset, NY 11791-5323

Phone

(855) 321-6784

NPI assigned

Apr 14, 2016

Sex

Male

Sole proprietor

No

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

Orthopedic Surgery

Education

Des Moines University of Osteopathic Medicine and Health Sciences, 2016

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Nassau University Medical Center Hospital, East Meadow, NY, CCN 330027
• Mount Sinai South Nassau Hospital, Oceanside, NY, CCN 330198

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: mitchelllong@ossm.allscriptsdirect.net

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.

• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1902822992
  Medicare reassignment NPD
• Orthopaedics Spine and Sports Medicine LLC

  • Orthopaedic Surgery Physician
  • Syosset, NY
  • NPI 1548490063
  Medicare reassignment NPD
• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1730530940
  NPD
• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1811913809
  NPD
• Orthopaedics Spine and Sports Medicine, LLC

  • Durable Medical Equipment & Medical Supplies
  • Syosset, NY
  • NPI 1073096590

  Orthopaedic Surgery

  NPD
• Orthopaedics Spine and Sports Medicine LLC

  • Orthopaedic Surgery of the Spine Physician
  • Bayonne, NJ
  • NPI 1154030328
  NPD
• Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
  • NPI 1801857172
  NPD (past)

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

• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  Care Compare affiliation

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

{
    "created_epoch": "1460592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1164876231",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "51 BEDFORD AVE",
            "city": "WESTBURY",
            "state": "NY",
            "postal_code": "115904301",
            "telephone_number": "714-267-9525"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 EILEEN WAY",
            "city": "SYOSSET",
            "state": "NY",
            "postal_code": "117915323",
            "telephone_number": "855-321-6784"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LONG",
        "first_name": "MITCHELL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-14",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NY",
            "license": "322584",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Candice Lombardi
• Long Island Medical Care PC
• Long Island Medical P.C.
• Long Island Medical Services P.C.
• Long Island Oral Surgery Associates
• Solita Lopez-Sahagun, NP
• Lorraine Baum LCSW PLLC
• Gerde T Louis
• Christina Louissaint
• Elyce Randi Louw

• Orthopaedic Surgery Physician in Syosset, NY
• Providers in Syosset, NY by specialty
• Orthopaedic Surgery Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.