Individual provider Active NPI

Marcia Geneva Gnagey, CRNA

  • Certified Registered Nurse Anesthetist
  • Concord, MA
National Provider Identifier
1952384836
Registry record updated Aug 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
167337 Issued in MA
Practice address
133 Old Road to 9 Acre Cor
Concord, MA 01742-4159
Phone
(978) 287-3162
NPI assigned
Nov 23, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 4044402 KY
Certified Registered Nurse Anesthetist 367500000X 036764-23-11 NH
Certified Registered Nurse Anesthetist 367500000X 167337 MA Primary

Addresses

Primary practice location

133 Old Road to 9 Acre Cor
Concord, MA 01742-4159

Mailing address

133 Old Road to 9 Acre Cor
Concord, MA 01742-4159
Phone (978) 287-3162

Other practice location 1

530 S Jackson St
Louisville, KY 40202-1675
Phone (502) 852-5851

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251003002163 KY Practitioner - Certified Registered Nurse Anesthetist (Crna) 0840248043 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

530 S Jackson St
Louisville, KY 40202-1675
Phone (502) 562-3000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
167337MAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
University of Louisville Physicians, Inc. Current Accepting new patients
University of Louisville Physicians, Inc. CurrentSince Sep 23, 2025 Accepting new patients
University of Louisville Physicians, Inc. CurrentSince Sep 23, 2025 Accepting new patients

Locations

7752 Solution Ctr
Chicago, IL 60677

530 S Jackson St
Louisville, KY 40202
Phone (502) 562-3000

571 S Floyd St
Louisville, KY 40202
Phone (502) 561-2700

Organizations & group practices 3

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 1

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": "1132704000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1952384836",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 OLD ROAD TO 9 ACRE COR",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424159",
            "telephone_number": "978-287-3162"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 OLD ROAD TO 9 ACRE COR",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424159",
            "telephone_number": "978-287-3162"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "530 S Jackson St",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402021675",
            "country_code": "US",
            "telephone_number": "502-852-5851",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GNAGEY",
        "first_name": "MARCIA",
        "middle_name": "GENEVA",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-23",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "KY",
            "license": "4044402",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NH",
            "license": "036764-23-11",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MA",
            "license": "167337",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2025; 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.