Daniel Joseph Mark, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

286627 Issued in NY

Practice address

400 E Main St
Mount Kisco, NY 10549-3417

Phone

(914) 242-8115

NPI assigned

Apr 1, 2015

Last updated

Jun 20, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in FL, NY2 enrollments

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 2

Specialty

Radiation Oncology

Education

Albert Einstein College of Medicine of Yeshiva University, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Genesiscare USA of Florida LLCGroup PAC ID 9830082882, 172 clinicians

Florida Cancer Specialists and Research Institute, LLCGroup PAC ID 2567356058, 464 clinicians

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northern Westchester Hospital Hospital, Mount Kisco, NY, CCN 330162
• Good Samaritan Medical Center Hospital, West Palm Beach, FL, CCN 100287

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

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.

• Florida Cancer Specialists & Research Institute, LLC

  • Medical Oncology Physician
  • Cape Coral, FL
  • NPI 1760590962

  Radiation Oncology

  Medicare reassignment Care Compare group NPD
• Genesiscare USA of Florida LLC

  • Radiation Oncology Physician
  • Fort Myers, FL
  • NPI 1134109747
  Medicare reassignment Care Compare group NPD
• North Shore-Lij Medical PC

  dba NHPP Cardiology at Great Neck

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group
• Genesiscare USA of Florida LLC

  dba Springs Urology

  • Urology Physician
  • Coral Springs, FL
  • NPI 1013386952
  NPD
• Genesiscare USA of Florida LLC

  dba David Schwartzwald, MD: Urology Care Specialists

  • Urology Physician
  • Boca Raton, FL
  • NPI 1649093709
  NPD

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

• Northern Westchester Hospital Association

  dba Northern Westchester Hospital Transitional Care Unit

  • Medicare Defined Swing Bed Hospital Unit
  • Mount Kisco, NY
  • NPI 1396178356
  Care Compare affiliation
• Northern Westchester Hospital Association

  dba Northern Westchester Hospital

  • General Acute Care Hospital
  • Mount Kisco, NY
  • NPI 1912992215
  Care Compare affiliation
• Good Samaritan Medical Center, Inc.

  dba Good Samaritan Medical Center

  • General Acute Care Hospital
  • West Palm Beach, FL
  • NPI 1770515991
  Care Compare affiliation

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

{
    "created_epoch": "1427846400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781913600000",
    "number": "1902291412",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 E MAIN ST",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105493417",
            "telephone_number": "914-242-8115"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 E MAIN ST",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105493417",
            "telephone_number": "914-242-8115"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARK",
        "first_name": "DANIEL",
        "middle_name": "JOSEPH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-01",
        "last_updated": "2026-06-20",
        "certification_date": "2026-06-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NY",
            "license": "286627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Adrienne Marcus, PH.D.
• Stuart Lee Marcus, M.D.
• Paul Jeffrey Margolies, PH.D.
• Steven M Margulis, MD
• Maria Briones MD PC
• Lindsey Tayer Markel, LCSW
• Randee Marketo, MSED
• Amy Marks, MS, CCCSLP
• Louis Armando Marquez
• Charlotte Caroline Frances Martelo, CRNA

• Radiation Oncology Physician in Mount Kisco, NY
• Providers in Mount Kisco, NY by specialty
• Radiation Oncology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 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.