NPIMap

Individual provider Active NPI

George Geoffrey Neiderman, M.D.

  • Nephrology Physician
  • Buffalo, NY
National Provider Identifier
1346328713
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
184789 Issued in NY
Practice address
462 Grider St Ste 1152
Buffalo, NY 14215-3021
Phone
(716) 898-4803
Fax
(716) 898-6266
NPI assigned
Nov 1, 2006
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 184789 NY Primary

Addresses

Primary practice location

462 Grider St Ste 1152
Buffalo, NY 14215-3021

Mailing address

462 Grider St Ste 1152
Buffalo, NY 14215-3021
Phone (716) 898-4803

Other identifiers 9

IdentifierTypeStateIssuer
0812634OtherNYAETNA
P00000206898OtherNYGHI
000917442OtherNYAMERICAN POSTAL WORKERS UNION
P867408OtherNYOXFORD
PR78617270001OtherNYCIGNA
02714810OtherNYMAGNACARE
01562101MedicaidNY
100144295602OtherNYAMERICHOICE
P00603271OtherNYRAILROAD MEDICARE PTAN

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
I20050111000523 NY Practitioner - Internal MedicinePractitioner - NeurologyPractitioner - Nephrology 9739137274 Reassigns benefits to 1 organization
Practice locations: Brooklyn, NY

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Nephrology
Education
Other, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Academic Medicine Services, Inc.Group PAC ID 0941105241, 115 clinicians

Practice addresses (Care Compare)

462 Grider St
Buffalo, NY 14215-3021
Phone (716) 898-4803

Hospital & facility affiliations

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
Academic Medicine Services, Inc. CurrentSince May 1, 2023 Accepting new patients
Erie County Medical Center Corporation CurrentSince Aug 21, 2023 Accepting new patients
Erie County Medical Center Corporation CurrentSince Aug 21, 2023 Accepting new patients
Ub Family Medicine, Inc Current Accepting new patients
South Brooklyn Nephrology Center Inc Past Accepting new patients

Locations

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

462 Grider St
Fl 11
Buffalo, NY 14215
Phone (716) 898-4803

462 Grider St
Cheektowaga, NY 14215
Phone (716) 831-8612

Networks

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

Interoperability endpoints

  • Direct secure messaging: georgeneiderman@mai.allscriptsdirect.net
  • Direct secure messaging: georgeneiderman@ubmd.allscriptsdirect.net

Organizations & group practices 6

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 7

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1346328713",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "462 GRIDER ST STE 1152",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142153021",
            "telephone_number": "716-898-4803",
            "fax_number": "716-898-6266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "462 GRIDER ST STE 1152",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "142153021",
            "telephone_number": "716-898-4803",
            "fax_number": "716-898-6266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEIDERMAN",
        "first_name": "GEORGE",
        "middle_name": "GEOFFREY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2026-09-29",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "NY",
            "license": "184789",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "0812634",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GHI",
            "identifier": "P00000206898",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERICAN POSTAL WORKERS UNION",
            "identifier": "000917442",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "P867408",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "PR78617270001",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAGNACARE",
            "identifier": "02714810",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01562101",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERICHOICE",
            "identifier": "100144295602",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PTAN",
            "identifier": "P00603271",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Buffalo, NY

Sources for this page

Verify at the official NPI Registry.