Allyn Hager Kratzer, RN,BSN,MA ED, MSN,

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

260225-22 Issued in MO

Practice address

915 N Grand Blvd
Saint Louis, MO 63106-1621

Phone

(314) 652-4100

Fax

(314) 289-7612

NPI assigned

Apr 3, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Bachelor on Science - Nursing, Master of Arts, Master of Science - Nursing, Registered Nurse

State licenses

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

{
    "created_epoch": "1144022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1972565281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 OAK VALLEY DR",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631313933",
            "telephone_number": "314-652-4100",
            "fax_number": "314-289-7612"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 N GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631061621",
            "telephone_number": "314-652-4100",
            "fax_number": "314-289-7612"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRATZER",
        "first_name": "ALLYN",
        "middle_name": "HAGER",
        "name_prefix": "Ms.",
        "credential": "RN,BSN,MA ED, MSN,",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "260225-22",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Claudia R Krasnoff, MD
• Mark Krasnoff, M.D.
• Jeffrey Michael Kratky, D.M.D.
• Jeffrey Edward Krato, COTA/L
• Christina Elise Kratschmer, MD
• Martha Reitz Kratzer, R.D.
• Anne Kraus
• David Michael Kraus
• Elena Marie Kraus, M.D., PH.D.
• Elizabeth Raye Kraus, FNP

• Family Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.