NPIMap

Individual provider Active NPI

Alex Natanzon, M.D.

  • Cardiovascular Disease Physician
  • New York, NY
National Provider Identifier
1467613281
Registry record updated Aug 26, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
237360 Issued in NY
Practice address
550 1St Ave
Room NBV 17 South 5
New York, NY 10016-6402
Phone
(212) 263-6554
NPI assigned
Jun 24, 2008
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 26, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 237360 NY
Cardiovascular Disease Physician 207RC0000X 237360 NY Primary

Addresses

Primary practice location

550 1St Ave
Room NBV 17 South 5
New York, NY 10016-6402

Mailing address

550 1St Ave
Room NBV 17 South 5
New York, NY 10016-6402
Phone (212) 263-6554

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address anatanzon43599@nyumc.direct-ci.com

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
I20100802000361 NY Practitioner - Cardiovascular Disease (Cardiology) 8921131699 Reassigns benefits to 6 organizations
Practice locations: New York, NY

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Icahn School of Medicine at Mount Sinai, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians
Sla Associates LLCGroup PAC ID 4981994621, 26 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

201 Kings Hwy
Brooklyn, NY 11223-1106
Phone (929) 446-4500

2525 Kings Hwy
Brooklyn, NY 11229-1705
Phone (718) 645-1118

3201 Kings Hwy
Brooklyn, NY 11234-2625
Phone (718) 645-1118

445 Kings Hwy
Suite 2
Brooklyn, NY 11223-1780
Phone (718) 645-0300

530 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

550 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

560 1St Ave
New York, NY 10016-6402
Phone (212) 263-7300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

Merit-based Incentive Payment System (MIPS)

Final score
96.6 of 100Reported as apm
Quality
79.86
Promoting interoperability
88.89
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
94.95 of 100Reported as group
Quality
69.9
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Interborough Developmental and Consultation Center, Inc. CurrentSince Nov 1, 2025 Accepting new patients
Sla Associates LLC CurrentSince Apr 1, 2020 Accepting new patients
New York University Internal Medicine CurrentSince May 1, 2011 Accepting new patients
New York University Internal Medicine CurrentSince May 1, 2011 Accepting new patients
Beth Israel Medical Center Past Accepting new patients
Suny Downstate Medical Center PastSince Jan 15, 2012 Accepting new patients
Nyumc Radiology Associates Past Accepting new patients

Locations

1623 Kings Hwy
Brooklyn, NY 11229
Phone (718) 307-6800

201 Kings Hwy
Brooklyn, NY 11223
Phone (929) 446-4500

506 6th St
Brooklyn, NY 11215
Phone (718) 780-3279

445 Kings Hwy
Ste 2
Brooklyn, NY 11223
Phone (718) 375-6001

2846 Stillwell Ave
Brooklyn, NY 11224
Phone (718) 259-6600

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

550 1st Ave
#244
New York, NY 10016
Phone (212) 263-5567

550 1st Ave
Rm Nbv
New York, NY 10016
Phone (212) 263-6400

550 1st Ave
Fl 2
New York, NY 10016
Phone (212) 263-7294

301 E 17th St
New York, NY 10003
Phone (212) 598-2454

Networks

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

Interoperability endpoints

  • Direct secure messaging: anatanzon43599@nyumc.direct-ci.com
  • FHIR API: https://app.meldrx.com/api/fhir/cybermed_idcc

Organizations & group practices 11

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.

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1214265600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1661472000000",
    "number": "1467613281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "address_2": "ROOM NBV 17 SOUTH 5",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-6554"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "address_2": "ROOM NBV 17 SOUTH 5",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-6554"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NATANZON",
        "first_name": "ALEX",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-06-24",
        "last_updated": "2022-08-26",
        "certification_date": "2022-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "237360",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "237360",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "anatanzon43599@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "550 1st Ave",
            "address_2": "Room NBV 17 South 5",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100166402",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.