Organization Active NPI

Oswego County OB-GYN PC

  • Obstetrics & Gynecology Physician
  • Oswego, NY
National Provider Identifier
1043373855
Registry record updated Aug 22, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
Legal business name
OSWEGO COUNTY OB-GYN PC
Practice address
42 Montcalm St
Oswego, NY 13126-1321
Phone
(315) 343-2590
Fax
(315) 343-4197
NPI assigned
Dec 19, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2020

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

Authorized official

Name
Dr. Joseph E Mather Sr., MD
Title
Physician
Phone
(315) 343-2590

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207V00000X NY Primary

Addresses

Primary practice location

42 Montcalm St
Oswego, NY 13126-1321

Mailing address

42 Montcalm St
Oswego, NY 13126-1321
Phone (315) 343-2590

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040510001025 NY Part B Supplier - Clinic/Group Practice 8527057009 Receives reassigned benefits from 7 practitioners
Practice locations: Fulton, NY; Oswego, NY

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
33D0664132Oswego County OB GYN PC42 Montcalm Street, Oswego, NY 13126Provider-performed microscopyDec 20, 2026

National Provider Directory

National Provider Directory

Locations

820 Phillips St
Fulton, NY 13069
Phone (315) 593-8393

140 W 6th St
Ste G60
Oswego, NY 13126
Phone (315) 343-2590

42 Montcalm St
Oswego, NY 13126
Phone (315) 343-2590

Practitioners & affiliated clinicians

Practitioners 12

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1166486400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1598054400000",
    "number": "1043373855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "42 MONTCALM ST",
            "city": "OSWEGO",
            "state": "NY",
            "postal_code": "131261321",
            "telephone_number": "315-343-2590",
            "fax_number": "315-343-4197"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "42 MONTCALM ST",
            "city": "OSWEGO",
            "state": "NY",
            "postal_code": "131261321",
            "telephone_number": "315-343-2590",
            "fax_number": "315-343-4197"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OSWEGO COUNTY OB-GYN PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-12-19",
        "last_updated": "2020-08-22",
        "status": "A",
        "authorized_official_last_name": "MATHER",
        "authorized_official_first_name": "JOSEPH",
        "authorized_official_middle_name": "E",
        "authorized_official_title_or_position": "PHYSICIAN",
        "authorized_official_telephone_number": "315-343-2590",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_name_suffix": "Sr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oswego, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 2020; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.