Individual provider Active NPI

Jeffrey Michael Brensilver, MD

  • Internal Medicine Physician
  • New Rochelle, NY
National Provider Identifier
1861452039
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
113064 Issued in NY
Practice address
16 Guion PL
New Rochelle, NY 10801-5503
Phone
(914) 632-5000
NPI assigned
Mar 23, 2006
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 113064 NY Primary
Nephrology Physician 207RN0300X 113064 NY

Addresses

Primary practice location

16 Guion PL
New Rochelle, NY 10801-5503

Mailing address

PO Box 1019
Spring Valley, NY 10977-0819
Phone (914) 637-1357

Other identifiers 1

IdentifierTypeStateIssuer
00204908MedicaidNY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
113064NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New Rochelle Medical Services, PC Division of OBGYN PastSince Apr 30, 2003 Accepting new patients
Richard G. Karanfilian, M.D.,P.C. Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1861452039",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1019",
            "city": "SPRING VALLEY",
            "state": "NY",
            "postal_code": "109770819",
            "telephone_number": "914-637-1357"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 GUION PL",
            "city": "NEW ROCHELLE",
            "state": "NY",
            "postal_code": "108015503",
            "telephone_number": "914-632-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRENSILVER",
        "first_name": "JEFFREY",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "113064",
            "primary": true
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "NY",
            "license": "113064",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00204908",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Rochelle, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.