Individual provider Active NPI

Alanah Johnson

  • Physical Therapist
  • Prince Frederick, MD
National Provider Identifier
1255222378
Registry record updated Aug 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
31021 Issued in MD
Practice address
220 Solomons Island Rd N
Prince Frederick, MD 20678-3926
Phone
(410) 885-4710
NPI assigned
Jul 15, 2025
Last updated
Aug 19, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Physical Therapist 225100000X 31021 MD Primary

Addresses

Primary practice location

220 Solomons Island Rd N
Prince Frederick, MD 20678-3926

Mailing address

2122 York Rd Ste 300
Oak Brook, IL 60523-1925

Other practice location 1

2425 Vidalia Ct
Waldorf, MD 20601-3781
Phone (240) 320-7396

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)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1752537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1255222378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2122 YORK RD STE 300",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 SOLOMONS ISLAND RD N",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206783926",
            "telephone_number": "410-885-4710"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2425 Vidalia Ct",
            "address_purpose": "LOCATION",
            "city": "Waldorf",
            "state": "MD",
            "postal_code": "206013781",
            "country_code": "US",
            "telephone_number": "240-320-7396",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "ALANAH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-15",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "MD",
            "license": "31021",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Prince Frederick, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.