NPIMap

Individual provider Active NPI

Mark Ashamalla, M.D.

  • Radiation Oncology Physician
  • Far Rockaway, NY
National Provider Identifier
1336533249
Registry record updated Apr 22, 2026
On this page

Key facts

NPPES NPI Registry
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
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 301890 NY Primary

Addresses

Primary practice location

1920 Brookhaven Ave
Far Rockaway, NY 11691-3626

Mailing address

1920 Brookhaven Ave
Radiation Oncology
Far Rockaway, NY 11691-3626
Phone (718) 869-7101

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200610002289 NY Practitioner - Radiation Oncology 5698196020 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Integrated Medical Professionals PLLC 91 clinicians
St John'S Medical Services PC 89 clinicians

Practice addresses (Care Compare)

3111 New Hyde Park Rd
New Hyde Park, NY 11042-1209
Phone (516) 394-9600

327 Beach 19TH St
Far Rockaway, NY 11691-4423
Phone (718) 869-7919

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
301890NYMDRadiation Oncology Physician

Practice roles (4 of 8)

OrganizationSpecialtyStatusNew patients
University Hospital at Stony Brook Current Accepting new patients
Integrated Medical Professionals PLLC Radiation Oncology CurrentSince Sep 15, 2025 Accepting new patients
Integrated Medical Professionals PLLC CurrentSince Sep 15, 2025 Accepting new patients
St John'S Medical Services PC CurrentSince Sep 4, 2025 Accepting new patients

Locations

1650 Grand Concourse
Bronx, NY 10457
Phone (718) 294-7104

2510 Westchester Ave
Ste B
Bronx, NY 10461
Phone (718) 517-3000

327 Beach 19th St
Far Rockaway, NY 11691
Phone (718) 689-7640

1920 Brookhaven Ave
Far Rockaway, NY 11691
Phone (718) 347-3627

5 Cuba Hill Rd
Ste 400
Greenlawn, NY 11740
Phone (631) 544-3400

101 S Central Ave
Hartsdale, NY 10530
Phone (516) 461-2428

1324 Motor Pkwy
Islandia, NY 11749
Phone (631) 963-7700

275 Rockaway Tpke
Lawrence, NY 11559
Phone (516) 371-2225

3111 New Hyde Park Rd
North New Hyde Pk, NY 11042
Phone (516) 365-6100

688 Old Country Rd
Plainview, NY 11803
Phone (516) 932-6007

4100 Duff Pl
#A
Seaford, NY 11783
Phone (516) 520-8080

100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560

101 Nicolls Rd
Rm 805
Stony Brook, NY 11794

2 Medical Park Dr
Ste 9
West Nyack, NY 10994
Phone (845) 517-1720

Networks

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

Interoperability endpoints

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

Organizations & group practices 24

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.

View all 24

Hospital & facility affiliations 6

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

NPI Registry JSON

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": []
}

Other providers in Far Rockaway, NY

Sources for this page

Verify at the official NPI Registry.