Individual provider Active NPI

Marykae Davis, RN

  • Psychiatric/Mental Health Registered Nurse
  • Elmira, NY
National Provider Identifier
1548638125
Registry record updated Nov 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Registered NurseTaxonomy code 163WP0808X
License
815465 Issued in NY
Practice address
911 Stowell St
Elmira, NY 14901-1428
Phone
(607) 737-5215
Fax
(607) 737-5219
NPI assigned
Sep 12, 2015
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Registered NurseGroup: 193400000X SINGLE SPECIALTY GROUP 163WP0808X 815465 NY Primary

Addresses

Primary practice location

911 Stowell St
Elmira, NY 14901-1428

Mailing address

100 Washington St
Elmira, NY 14901-2849
Phone (607) 398-8608

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
815465NYMDPsychiatric/Mental Health Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Casa-Trinity, Inc. CurrentSince Nov 18, 2025 Accepting new patients
Casa-Trinity, Inc. Single Specialty PastSince Nov 18, 2025 Accepting new patients

Locations

911 Stowell St
Elmira, NY 14901
Phone (607) 737-5215

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.

NPI Registry JSON

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

{
    "created_epoch": "1442016000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1548638125",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WASHINGTON ST",
            "city": "ELMIRA",
            "state": "NY",
            "postal_code": "149012849",
            "telephone_number": "607-398-8608"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "911 STOWELL ST",
            "city": "ELMIRA",
            "state": "NY",
            "postal_code": "149011428",
            "telephone_number": "607-737-5215",
            "fax_number": "607-737-5219"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAVIS",
        "first_name": "MARYKAE",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-09-12",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "NY",
            "license": "815465",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elmira, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 2025; 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.