NPIMap

Individual provider Active NPI

Alexey Yanilshtein, M.D

  • Internal Medicine Physician
  • Rockville Centre, NY
National Provider Identifier
1770840688
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
285097 Issued in NY
Practice address
30 Hempstead Ave Ste 144
Rockville Centre, NY 11570-4034
Phone
(516) 490-9060
Fax
(516) 200-3020
NPI assigned
Apr 16, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 285097 NY Primary

Addresses

Primary practice location

30 Hempstead Ave Ste 144
Rockville Centre, NY 11570-4034

Mailing address

30 Hempstead Ave Ste 144
Rockville Centre, NY 11570-4034
Phone (516) 490-9060

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
I20161025001174 NY Practitioner - Internal MedicinePractitioner - Hospitalist 2769798339 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2012
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Medical Care Associates PLLCGroup PAC ID 9133588049, 3 clinicians
Star Medical Care Solutions PCGroup PAC ID 9638605918, 3 clinicians

Practice addresses (Care Compare)

Hewlett, NY 11557
Phone (631) 271-9181

30 Hempstead Ave
Suite 144
Rockville Centre, NY 11570-4034
Phone (516) 490-9060

40 Queens St
Unit 161
Syosset, NY 11791-7407
Phone (718) 806-1434

Hospital & facility affiliations

  • Emerest Home Health Care of Long Island Home health agency, Flushing, NY, CCN 337189
  • Centerwell Home Health Home health agency, Westbury, NY, CCN 337289
  • Constellation Home Care Home health agency, Syosset, NY, CCN 337447
  • Hospice of New York, LLC Hospice, Long Island City, NY, CCN 331560
  • M J H S Hospice and Palliative Care, Inc Hospice, New York, NY, CCN 331529
  • Hospice Care of Long Island, Queens, South Shore Hospice, Woodbury, NY, CCN 331532
  • NYU Langone Hospitals Hospital, New York, NY, CCN 330214
  • Mercy Medical Center Hospital, Rockville Centre, NY, CCN 330259
  • Mercy Medical Center Inpatient rehabilitation facility, Rockville Centre, NY, CCN 33T259

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
285097NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Long Island Medical Care PC Internal Medicine CurrentSince Jan 6, 2026 Accepting new patients
Ally Medical PC Internal Medicine CurrentSince Jan 10, 2023 Accepting new patients
Southwest Suffolk Medical PC CurrentSince Mar 13, 2017 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 1, 2022 Accepting new patients
Internal Medicine Solutions P.C. Internal Medicine CurrentSince Jan 7, 2023 Accepting new patients
Cogent Medical Care PC Internal Medicine CurrentSince Aug 10, 2016 Accepting new patients
Medical Care Associates PLLC Internal Medicine CurrentSince Mar 28, 2023 Accepting new patients
Star Medical Care Solutions PC Internal Medicine CurrentSince Oct 7, 2024 Accepting new patients
Optum Medical Care, P.C. CurrentSince Sep 1, 2022 Accepting new patients
Southwest Suffolk Medical, P.C. CurrentSince Mar 13, 2017 Accepting new patients
Mercy Medical Center Past Accepting new patients
Andrew P. Marks, DDS, PC PastSince Apr 1, 2007 Accepting new patients
NYU Langone Hospitals Past Accepting new patients

Locations

1525 Pitkin Ave
Brooklyn, NY 11212
Phone (718) 342-3909

6411 Beach Channel Dr
Far Rockaway, NY 11692
Phone (718) 471-7010

275 W Merrick Rd
Freeport, NY 11520
Phone (516) 377-2946

201 Old Country Rd
Ste 170
Melville, NY 11747
Phone (516) 496-4141

259 1st St
Mineola, NY 11501
Phone (516) 576-1820

90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050

101 Hospital Rd
Patchogue, NY 11772
Phone (631) 654-7100

154 Prospect Ave
Plattsburgh, NY 12901
Phone (518) 563-5440

30 Hempstead Ave
Ste 144
Rockville Ctr, NY 11570
Phone (516) 490-9060

48 Route 25A
Smithtown, NY 11787
Phone (631) 862-3540

994 W Jericho Tpke
Ste 103
Smithtown, NY 11787
Phone (631) 864-6647

40 Queens St
Unit 161
Syosset, NY 11791

1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689

Philadelphia, PA 19195

Networks

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

Interoperability endpoints

  • Direct secure messaging: ayanilshtein332100@nyumc.direct-ci.com

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1334534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1770840688",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 HEMPSTEAD AVE STE 144",
            "city": "ROCKVILLE CENTRE",
            "state": "NY",
            "postal_code": "115704034",
            "telephone_number": "516-490-9060",
            "fax_number": "516-200-3020"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 HEMPSTEAD AVE STE 144",
            "city": "ROCKVILLE CENTRE",
            "state": "NY",
            "postal_code": "115704034",
            "telephone_number": "516-490-9060",
            "fax_number": "516-200-3020"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YANILSHTEIN",
        "first_name": "ALEXEY",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-04-16",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "285097",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville Centre, NY

Sources for this page

Verify at the official NPI Registry.