Alexander John Greenstein, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

60 233708 Issued in NY

Practice address

5 E 98TH St
15TH Floor, Box 1259
New York, NY 10029-6501

Phone

(212) 241-8679

Fax

(212) 534-2654

NPI assigned

Jun 4, 2008

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

General Surgery

Education

JS Weill Medical College, Cornell University, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Icahn School of Medicine at Mount SinaiGroup PAC ID 2264691070, 2,809 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• VNS of Ny Home Care Chha Home health agency, New York, NY, CCN 337008
• Mount Sinai Hospital Hospital, New York, NY, CCN 330024

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (10 of 14)

Locations

Networks

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

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.

• Icahn School of Medicine at Mount Sinai

  • Orthopaedic Surgery Physician
  • Elmhurst, NY
  • NPI 1609120674

  NY

  Medicare reassignment NPD
• Icahn School of Medicine at Mount Sinai

  • Surgery Physician
  • New York, NY
  • NPI 1770823551

  NY, Surgery

  Medicare reassignment NPD
• Icahn School of Medicine at Mount Sinai

  • Surgery Physician
  • Elmhurst, NY
  • NPI 1073867040

  Surgery

  NPD
• Icahn School of Medicine at Mount Sinai

  • Diagnostic Radiology Physician
  • Elmhurst, NY
  • NPI 1619221686
  NPD
• Icahn School of Medicine at Mount Sinai

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466
  NPD
• Icahn School of Medicine at Mount Sinai

  • Obstetrics & Gynecology Physician
  • New York, NY
  • NPI 1124392212
  NPD (past)
• Icahn School of Medicine at Mount Sinai

  • Infectious Disease Physician
  • New York, NY
  • NPI 1659639524
  NPD (past)
• Mount Sinai Hospital

  • General Acute Care Hospital
  • Long Island City, NY
  • NPI 1245248939
  NPD (past)
• Mount Sinai Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1932103413
  NPD (past)
• Mount Sinai School of Medicine

  • Surgery Physician
  • New York, NY
  • NPI 1801045646

  Surgery

  NPD (past)

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

• Mount Sinai Hospital

  • Clinical Medical Laboratory
  • New York, NY
  • NPI 1033206362

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital

  • General Acute Care Hospital
  • Long Island City, NY
  • NPI 1245248939

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital

  • Rehabilitation Hospital
  • New York, NY
  • NPI 1669440327

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1932103413

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital Pharmacy

  • General Acute Care Hospital
  • New York, NY
  • NPI 1225295512

  Hospital

  Care Compare affiliation
• Mount Sinai Hospital-Ambulance

  • Ambulance
  • New York, NY
  • NPI 1568601342

  Hospital

  Care Compare affiliation
• Visiting Nurse Service of New York Home Care II

  • Home Health Agency
  • New York, NY
  • NPI 1528059805
  Care Compare affiliation

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

{
    "created_epoch": "1212537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1412726400000",
    "number": "1992964035",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 E 98TH ST",
            "address_2": "15TH FLOOR, BOX 1259",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296501",
            "telephone_number": "212-241-8679",
            "fax_number": "212-534-2654"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 E 98TH ST",
            "address_2": "15TH FLOOR, BOX 1259",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296501",
            "telephone_number": "212-241-8679",
            "fax_number": "212-534-2654"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENSTEIN",
        "first_name": "ALEXANDER",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-04",
        "last_updated": "2014-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "60 233708",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Benjamin Greenspun
• Daniel Greenspun, PH.D.
• Wendy Susan Greenspun, PH.D.
• William Martin Greenstadt, PH.D.
• Alexa Rose Greenstein, NP
• Aliza R Greenstein
• Batsheva Greenstein, MS.ED
• Mindy Greenstein, PH.D.
• Zachary Jacob Greenstein, DO
• Edwin Mitchell Greenstone, D.D.S

• All providers in New York, NY
• Surgery Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 2014; 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.