Individual provider Active NPI

Katherine Marina Grosner

  • Certified Registered Nurse Anesthetist
  • Williamsville, NY
National Provider Identifier
1427630243
Registry record updated Apr 21, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
673311-1 Issued in NY
Practice address
30 S Cayuga Rd
Williamsville, NY 14221-6728
Phone
(716) 632-1088
NPI assigned
Apr 21, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 673311-1 NY Primary

Addresses

Primary practice location

30 S Cayuga Rd
Williamsville, NY 14221-6728

Mailing address

5486 Via Marina
Williamsville, NY 14221-2839
Phone (716) 472-9114

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210621003055 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 4486054962 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Maple Gate Anesthesiologists, P.C.Group PAC ID 8022913839, 113 clinicians

Practice addresses (Care Compare)

818 Ellicott St
Buffalo, NY 14203-1021
Phone (716) 632-1088

Hospital & facility affiliations

  • Kaleida Health Hospital, Buffalo, NY, CCN 330005

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
673311-1NYMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Northtowns Ambulatory Surgery Center, LLC CurrentSince Sep 8, 2025 Accepting new patients
Maple Gate Anesthesiologists, P.C. CurrentSince Jun 21, 2021 Accepting new patients

Locations

818 Ellicott St
Buffalo, NY 14203
Phone (716) 323-2000

2568 Walden Ave
Ste 103
Cheektowaga, NY 14225

1540 Maple Rd
Williamsville, NY 14221
Phone (716) 568-3514

111 N Maplemere Rd
Williamsville, NY 14221
Phone (716) 713-4310

215 Klein Rd
Williamsville, NY 14221
Phone (716) 568-6100

30 S Cayuga Rd
Williamsville, NY 14221

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.

Hospital & facility affiliations 6

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": "1618963200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1618963200000",
    "number": "1427630243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5486 VIA MARINA",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212839",
            "telephone_number": "716-472-9114"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 S CAYUGA RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142216728",
            "telephone_number": "716-632-1088"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSNER",
        "first_name": "KATHERINE",
        "middle_name": "MARINA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-21",
        "last_updated": "2021-04-21",
        "certification_date": "2021-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NY",
            "license": "673311-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamsville, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2021; 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.