Individual provider Active NPI

Alexander Chasin, MD

  • Emergency Medicine Physician
  • Brooklyn, NY
National Provider Identifier
1053841239
Registry record updated Dec 9, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
305781 Issued in NY
Practice address
1 Brookdale PLZ
Brooklyn, NY 11212-3139
Phone
(718) 240-5180
NPI assigned
Jun 19, 2017
Last updated
Dec 9, 2020By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Emergency Medicine Physician 207P00000X 305781 NY Primary

Addresses

Primary practice location

1 Brookdale PLZ
Brooklyn, NY 11212-3139

Mailing address

1 Brookdale PLZ
Brooklyn, NY 11212-3139

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20201218000786 NY Practitioner - Emergency Medicine 3375955198 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians
Emergency Physician Services of New York, P.C.Group PAC ID 8325939804, 128 clinicians

Practice addresses (Care Compare)

400 E Main St
Mount Kisco, NY 10549-3417
Phone (914) 666-1371

424 S Broadway
Yonkers, NY 10705-2301
Phone (914) 219-0178

45 Reade PL
Poughkeepsie, NY 12601-3947
Phone (845) 454-8500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
305781NYMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore-Lij Medical PC Emergency Medicine CurrentSince Feb 10, 2026 Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Jan 13, 2026 Accepting new patients
Emergency Physician Services of New York, P.C. Emergency Medicine CurrentSince May 1, 2021 Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Jan 13, 2026 Accepting new patients

Locations

2248 31st St
Astoria, NY 11105
Phone (718) 267-1333

3111 Steinway St
Astoria, NY 11103
Phone (718) 475-2345

670 Stoneleigh Ave
Carmel, NY 10512
Phone (845) 230-4721

400 E Main St
Mount Kisco, NY 10549
Phone (914) 666-1200

336 E 86th St
New York, NY 10028
Phone (212) 772-3627

45 Reade Pl
Poughkeepsie, NY 12601
Phone (845) 331-3131

6511 Spring Brook Ave
Rhinebeck, NY 12572
Phone (845) 871-3368

424 S Broadway
Yonkers, NY 10705
Phone (914) 219-0178

Organizations & group practices 5

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 3

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": "1497830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1607472000000",
    "number": "1053841239",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BROOKDALE PLZ",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112123139"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BROOKDALE PLZ",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112123139",
            "telephone_number": "718-240-5180"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHASIN",
        "first_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-06-19",
        "last_updated": "2020-12-09",
        "certification_date": "2020-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NY",
            "license": "305781",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.