NPIMap

Individual provider Active NPI

Sergey Igorevich Genkin, M.D.

  • Geriatric Medicine (Internal Medicine) Physician
  • Brooklyn, NY
National Provider Identifier
1942268701
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
222686 Issued in NY
Practice address
4802 10TH Ave
Maimonides Hospital,
Brooklyn, NY 11219-2844
Phone
(718) 283-6073
Fax
(718) 635-6417
NPI assigned
May 2, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 222686 NY Primary

Addresses

Primary practice location

4802 10TH Ave
Maimonides Hospital,
Brooklyn, NY 11219-2844

Mailing address

35 Seacoast Ter
Apt. 15 E
Brooklyn, NY 11235-6040
Phone (718) 891-7158

Other identifiers 6

IdentifierTypeStateIssuer
1709660001OtherNYELDERPLAN
3055694OtherNYAETNA HMO
P2671396OtherNYOXFORD
2593554OtherNYGHI
7210414OtherNYAETNA PPO
02280266MedicaidNY

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
I20081003000005 NY Practitioner - Geriatric MedicinePractitioner - Internal Medicine 6608944756 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Geriatric MedicineAlso: Internal Medicine
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

157 Beaumont St
Brooklyn, NY 11235-4118

2720 Surf Ave
Brooklyn, NY 11224-1913
Phone (718) 714-4800

4802 10TH Ave
Brooklyn, NY 11219-2916
Phone (718) 283-6000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
21.38 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
71.27

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Maimonides Medical Center Current Accepting new patients
Adult and Geriatric Medical Care PC Geriatric Medicine CurrentSince Mar 2, 2007 Accepting new patients
Boro Park Operating Co LLC Geriatric Medicine CurrentSince Jan 19, 2012 Accepting new patients
Maimonides Medical Center - MMC Division of Geriatric Medicine FPP Geriatric Medicine CurrentSince Jan 1, 2008 Accepting new patients
Sgrnc LLC Past Accepting new patients
St. Marks Brooklyn Associates LLC Past Accepting new patients

Locations

2266 Cropsey Ave
Brooklyn, NY 11214
Phone (347) 543-8487

2720 Surf Ave
Brooklyn, NY 11224
Phone (718) 230-4844

4802 10th Ave
Brooklyn, NY 11219
Phone (718) 283-8724

4915 10th Ave
Brooklyn, NY 11219
Phone (718) 851-3700

Interoperability endpoints

  • Direct secure messaging: sergeygenkin@mai.allscriptsdirect.net

Organizations & group practices 7

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 10

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": "1146528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1942268701",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35 SEACOAST TER",
            "address_2": "APT. 15 E",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112356040",
            "telephone_number": "718-891-7158",
            "fax_number": "718-635-6417"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4802 10TH AVE",
            "address_2": "MAIMONIDES HOSPITAL,",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112192844",
            "telephone_number": "718-283-6073",
            "fax_number": "718-635-6417"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GENKIN",
        "first_name": "SERGEY",
        "middle_name": "IGOREVICH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "NY",
            "license": "222686",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ELDERPLAN",
            "identifier": "1709660001",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA HMO",
            "identifier": "3055694",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "P2671396",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GHI",
            "identifier": "2593554",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PPO",
            "identifier": "7210414",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02280266",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.