Mark Ashamalla, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

301890 Issued in NY

Practice address

1920 Brookhaven Ave
Far Rockaway, NY 11691-3626

Phone

(718) 869-7101

Fax

(718) 706-8432

NPI assigned

Mar 28, 2015

Last updated

Apr 22, 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 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

Radiation Oncology

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Integrated Medical Professionals PLLCGroup PAC ID 6406868462, 91 clinicians

St John's Medical Services PCGroup PAC ID 1850314865, 89 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St John's Episcopal Hospital at South Shore Hospital, Far Rockaway, NY, CCN 330395
• Suny/Stony Brook University Hospital Hospital, Stony Brook, NY, CCN 330393

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/14448/brand/1/csg/1/fhir/r4
• Direct secure messaging: mark.ashamalla@direct.stonybrookmedicine.edu

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.

• Integrated Medical Professionals PLLC

  • Urology Physician
  • Lake Success, NY
  • NPI 1346203536

  Radiation Oncology

  Medicare reassignment Care Compare group NPD
• St John's Medical Services PC

  • Internal Medicine Physician
  • Far Rockaway, NY
  • NPI 1023042173
  Medicare reassignment Care Compare group NPD
• Integrated Medical Professionals PLLC

  dba Advanced Urology Centers of Ny - Manhattan

  • Durable Medical Equipment & Medical Supplies
  • New York, NY
  • NPI 1295534626
  NPD
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Stony Brook, NY
  • NPI 1972523348
  NPD

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

• University Hospital at Stony Brook

  dba Stony Brook Southampton Hospital

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1033224704
  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1225507114
  Care Compare affiliation
• University Hospital at Stony Brook

  • Land Ambulance
  • Stony Brook, NY
  • NPI 1306620588

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Greenport, NY
  • NPI 1881690691
  Care Compare affiliation
• University Hospital at Stony Brook

  • Clinic/Center
  • Greenport, NY
  • NPI 1932466604

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Stony Brook, NY
  • NPI 1972523348
  Care Compare affiliation

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

{
    "created_epoch": "1427500800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1336533249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1920 BROOKHAVEN AVE",
            "address_2": "RADIATION ONCOLOGY",
            "city": "FAR ROCKAWAY",
            "state": "NY",
            "postal_code": "116913626",
            "telephone_number": "718-869-7101",
            "fax_number": "718-706-8432"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1920 BROOKHAVEN AVE",
            "city": "FAR ROCKAWAY",
            "state": "NY",
            "postal_code": "116913626",
            "telephone_number": "718-869-7101",
            "fax_number": "718-706-8432"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASHAMALLA",
        "first_name": "MARK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-28",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NY",
            "license": "301890",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Radiation Oncology Physician in Far Rockaway, NY
• Providers in Far Rockaway, 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 Apr 22, 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.