Individual provider Active NPI

Alethea Marks, MS-CCC, SLP

  • Speech-Language Pathologist
  • Tallahassee, FL
National Provider Identifier
1710634696
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
SA17671 Issued in FL
Practice address
2000 Merchants Row Blvd Apt 822
Tallahassee, FL 32311-4719
Phone
(850) 322-2094
NPI assigned
Mar 9, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X 2202010529 VA
Speech-Language Pathologist 235Z00000X 7101009386 MI
Speech-Language Pathologist 235Z00000X SL015088 PA
Speech-Language Pathologist 235Z00000X SA17671 FL Primary

Addresses

Primary practice location

2000 Merchants Row Blvd Apt 822
Tallahassee, FL 32311-4719

Mailing address

2000 Merchants Row Blvd Apt 822
Tallahassee, FL 32311-4719
Phone (850) 322-2094

Other names 1

  • Alethea Karras Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, VA, PA3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20220405002274 FL Practitioner - Qualified Speech Language Pathologist 1456747120 Reassigns benefits to 1 organization
I20230808001855 VA Practitioner - Qualified Speech Language Pathologist 1456747120 Reassigns benefits to 1 organization
I20230809004074 PA Practitioner - Qualified Speech Language Pathologist 1456747120 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Qualified Speech Language Pathologist
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Expressable Therapy PCGroup PAC ID 0042698136, 67 clinicians
Expressable Speech-Language Pathology PCGroup PAC ID 4688074511, 115 clinicians

Practice addresses (Care Compare)

100 S Juniper St
Philadelphia, PA 19107-2703
Phone (561) 462-3933

10432 Balls Ford Rd
Suite 300
Manassas, VA 20109-2517
Phone (561) 462-3933

111 N Orange Ave
Suite 800
Orlando, FL 32801-2381
Phone (512) 399-0064

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Expressable Speech-Language Pathology, P.C. Speech-Language Pathologist CurrentSince Aug 7, 2023 Accepting new patients
Expressable Therapy PC Speech-Language Pathologist CurrentSince Aug 7, 2023 Accepting new patients

Locations

633 W 5th St
Ofc 2876B
Los Angeles, CA 90071

111 N Orange Ave
Ste 800
Orlando, FL 32801
Phone (212) 287-4257

3477 Corporate Pkwy
Ste 100
Center Valley, PA 18034
Phone (484) 626-0480

100 S Juniper St
Fl 3
Philadelphia, PA 19107
Phone (267) 999-9534

7600 Chevy Chase Dr
Ste 300
Austin, TX 78752
Phone (512) 318-2503

10432 Balls Ford Rd
Ste 300
Manassas, VA 20109
Phone (571) 229-8708

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": "1646784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1710634696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2000 MERCHANTS ROW BLVD APT 822",
            "city": "TALLAHASSEE",
            "state": "FL",
            "postal_code": "323114719",
            "telephone_number": "850-322-2094"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 MERCHANTS ROW BLVD APT 822",
            "city": "TALLAHASSEE",
            "state": "FL",
            "postal_code": "323114719",
            "telephone_number": "850-322-2094"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKS",
        "first_name": "ALETHEA",
        "name_prefix": "Ms.",
        "credential": "MS-CCC, SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-09",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "VA",
            "license": "2202010529",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "MI",
            "license": "7101009386",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "PA",
            "license": "SL015088",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "FL",
            "license": "SA17671",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALETHEA",
            "last_name": "KARRAS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Tallahassee, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.