Individual provider Active NPI

Allison Marie Hamilton, CRNA

  • Certified Registered Nurse Anesthetist
  • Baltimore, MD
National Provider Identifier
1215772330
Registry record updated Jul 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
R225446 Issued in MD
Practice address
9000 Franklin Square Dr
Baltimore, MD 21237-3901
Phone
(443) 777-7000
NPI assigned
Jun 29, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 6, 2026

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 R225446 MD Primary

Addresses

Primary practice location

9000 Franklin Square Dr
Baltimore, MD 21237-3901

Mailing address

9830 Reisterstown Rd Apt 348
Owings Mills, MD 21117-4458

Medicare participation

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

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2026
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2233 Wisconsin Ave NW
Suite 420
Washington, DC 20007-4122

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
R225446MDMDSchool Registered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1719619200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1215772330",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9830 REISTERSTOWN RD APT 348",
            "city": "OWINGS MILLS",
            "state": "MD",
            "postal_code": "211174458"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 FRANKLIN SQUARE DR",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212373901",
            "telephone_number": "443-777-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMILTON",
        "first_name": "ALLISON",
        "middle_name": "MARIE",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-29",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MD",
            "license": "R225446",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.