Individual provider Active NPI

Sarah K Keenan, DNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Oakland, MD
National Provider Identifier
1093482820
Registry record updated Oct 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
R226299 Issued in MD
Practice address
4009 Mayhew Inn Rd
Oakland, MD 21550-7236
Phone
(410) 648-4451
Fax
(410) 680-3200
NPI assigned
Aug 28, 2021
Last updated
Oct 1, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Registered NurseGroup: 193400000X SINGLE SPECIALTY GROUP 163WP0808X R226299 MD
Psychiatric/Mental Health Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LP0808X R226299 MD Primary

Addresses

Primary practice location

4009 Mayhew Inn Rd
Oakland, MD 21550-7236

Mailing address

4009 Mayhew Inn Rd
Oakland, MD 21550-7236
Phone (410) 648-4451

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

State licenses

LicenseStateTypeSpecialty
R226299MDMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Sarah Keenan Pmhnp LLC Single Specialty CurrentSince Jul 10, 2022 Accepting new patients
Modyfi Health Inc PastSince Jul 10, 2022 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: sarah.keenan@modyfi.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1630108800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790812800000",
    "number": "1093482820",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4009 MAYHEW INN RD",
            "city": "OAKLAND",
            "state": "MD",
            "postal_code": "215507236",
            "telephone_number": "410-648-4451",
            "fax_number": "410-680-3200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4009 MAYHEW INN RD",
            "city": "OAKLAND",
            "state": "MD",
            "postal_code": "215507236",
            "telephone_number": "410-648-4451",
            "fax_number": "410-680-3200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEENAN",
        "first_name": "SARAH",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "DNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-08-28",
        "last_updated": "2026-10-01",
        "certification_date": "2026-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R226299",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R226299",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 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.