Individual provider Active NPI

Mohammad Athar, MD

  • Orthopaedic Surgery Physician
  • Stony Brook, NY
National Provider Identifier
1689301368
Registry record updated Dec 4, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
316870 Issued in NY
Practice address
2500 Nesconset Highway
Building 10 Unit D
Stony Brook, NY 11790
Phone
(631) 981-2663
Fax
(212) 203-9223
NPI assigned
Aug 3, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X 316870 NY
Orthopaedic Foot and Ankle Surgery Physician 207XX0004X 316870 NY
Orthopaedic Surgery Physician 207X00000X 316870 NY Primary

Addresses

Primary practice location

2500 Nesconset Highway
Building 10 Unit D
Stony Brook, NY 11790

Mailing address

10011 70TH Ave
Forest Hills, NY 11375-5132
Phone (917) 946-9681

Other practice location 1

970 Wellwood Ave
Lindenhurst, NY 11757-1016
Phone (631) 981-2663

Other practice location 2

5221 Little Neck Pkwy
Little Neck, NY 11362-1836
Phone (631) 981-2663

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, 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

Enrollment IDStateProvider typePAC IDDetails
I20221026000081 NJ Practitioner - Orthopedic Surgery 9537535943 Reassigns benefits to 1 organization
I20240115000177 NY Practitioner - Orthopedic SurgeryPractitioner - Sports Medicine 9537535943 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic SurgeryAlso: Sports Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Aa Medical PCGroup PAC ID 7315170172, 6 clinicians

Practice addresses (Care Compare)

2500 Nesconset Hwy
Stony Brook, NY 11790-2555
Phone (631) 981-2663

Hospital & facility affiliations

  • Peconic Bay Homehealth Services Home health agency, Riverhead, NY, CCN 337400
  • Peconic Bay Medical Center Hospital, Riverhead, NY, CCN 330107
  • St Catherine of Siena Hospital Hospital, Smithtown, NY, CCN 330401
  • John T Mather Memorial Hospital of Port Jefferson Hospital, Port Jefferson, NY, CCN 330185
  • North Shore University Hospital Hospital, Manhasset, NY, CCN 330106
  • NS/Lij HS Southside Hospital Hospital, Bay Shore, NY, CCN 330043

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Lower limb (leg) arthroscopy (minimally invasive joint repair)14

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
316870NYMDAdult Reconstructive Orthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Genesis Comp Concussion LLC Orthopaedic Surgery CurrentSince Apr 27, 2025 Accepting new patients
Tri-State Specialists LLC Orthopaedic Surgery CurrentSince Oct 13, 2022 Accepting new patients
Aa Medical, PC Orthopaedic Surgery CurrentSince Dec 1, 2023 Accepting new patients

Locations

300 Executive Dr
Ste 110
West Orange, NJ 07052
Phone (908) 588-2311

116 S Euclid Ave
Ste 1
Westfield, NJ 07090
Phone (908) 232-5551

1787 Middle Country Rd
Centereach, NY 11720
Phone (631) 320-0447

970 Wellwood Ave
Lindenhurst, NY 11757
Phone (631) 225-1289

5221 Little Neck Pkwy
Little Neck, NY 11362
Phone (631) 987-2663

2500 Nesconset Hwy
Bldg 10D
Stony Brook, NY 11790
Phone (631) 751-0600

Interoperability endpoints

  • Direct secure messaging: mathar70397@northwell.direct-ci.com
  • Direct secure messaging: mohammad.athar.1@21645.direct.athenahealth.com

Organizations & group practices 3

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.

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": "1659484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701648000000",
    "number": "1689301368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10011 70TH AVE",
            "city": "FOREST HILLS",
            "state": "NY",
            "postal_code": "113755132",
            "telephone_number": "917-946-9681"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 NESCONSET HIGHWAY",
            "address_2": "BUILDING 10 UNIT D",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "11790",
            "telephone_number": "631-981-2663",
            "fax_number": "212-203-9223"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "970 Wellwood Ave",
            "address_purpose": "LOCATION",
            "city": "Lindenhurst",
            "state": "NY",
            "postal_code": "117571016",
            "country_code": "US",
            "telephone_number": "631-981-2663",
            "fax_number": "212-203-9223",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5221 Little Neck Pkwy",
            "address_purpose": "LOCATION",
            "city": "Little Neck",
            "state": "NY",
            "postal_code": "113621836",
            "country_code": "US",
            "telephone_number": "631-981-2663",
            "fax_number": "212-203-9223",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ATHAR",
        "first_name": "MOHAMMAD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-08-03",
        "last_updated": "2023-12-04",
        "certification_date": "2023-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0114X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
            "state": "NY",
            "license": "316870",
            "primary": false
        },
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "NY",
            "license": "316870",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NY",
            "license": "316870",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stony Brook, NY

Sources for this page

Verify at the official NPI Registry.