Alexander James Hatsis, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

329894 Issued in NY

Practice address

133 Plandome Rd
Manhasset, NY 11030-2331

Phone

(516) 627-0033

Fax

(516) 627-7354

NPI assigned

Apr 15, 2020

Last updated

Sep 15, 2025By 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 2

Addresses

Other identifiers 1

Electronic endpoints 1

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

Ophthalmology

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sight Medical Doctors PLLCGroup PAC ID 5991935173, 115 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Shore University Hospital Hospital, Manhasset, NY, CCN 330106

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/

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.

• Sight Medical Doctors PLLC

  • Ophthalmology Physician
  • Hauppauge, NY
  • NPI 1487077483
  Medicare reassignment Care Compare group NPD
• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347

  Ophthalmology

  Medicare reassignment NPD
• Sight Medical Doctors PLLC

  dba SightMD NY

  • Durable Medical Equipment & Medical Supplies
  • Johnson City, NY
  • NPI 1730040700
  NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488
  NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1861907321
  NPD

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

• North Shore University Hospital

  • General Acute Care Hospital
  • Manhasset, NY
  • NPI 1366459570
  Care Compare affiliation

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

{
    "created_epoch": "1586908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1215556683",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2201 HEMPSTEAD TPKE",
            "city": "EAST MEADOW",
            "state": "NY",
            "postal_code": "115541859",
            "telephone_number": "516-572-6501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 PLANDOME RD",
            "city": "MANHASSET",
            "state": "NY",
            "postal_code": "110302331",
            "telephone_number": "516-627-0033",
            "fax_number": "516-627-7354"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "622 W 168th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100323720",
            "country_code": "US",
            "telephone_number": "212-305-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HATSIS",
        "first_name": "ALEXANDER",
        "middle_name": "JAMES",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-15",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NY",
            "license": "329894",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9118772604",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "ajhatsis@gmail.com",
            "affiliation": "N",
            "address_1": "2201 Hempstead Tpke",
            "city": "East Meadow",
            "state": "NY",
            "country_code": "US",
            "postal_code": "115541859",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Sama Hassan, MD
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• Nathan Hebert, PA-C
• Angela Heffner, CRNP, PMHNP
• Richard A Heiden, M.D.
• Howard S Heiman, MD

• Ophthalmology Physician in Manhasset, NY
• Providers in Manhasset, NY by specialty
• Ophthalmology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; 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.