Individual provider Active NPI

Serina Rose Addona

  • Speech-Language Pathologist
  • Seattle, WA
National Provider Identifier
1508647454
Registry record updated Mar 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
LL61440693 Issued in WA
Practice address
325 9TH Ave
Seattle, WA 98104-2420
Phone
(610) 506-0300
NPI assigned
Oct 6, 2023
Last updated
Mar 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X LL61440693 WA Primary
Speech-Language Pathologist 235Z00000X 10770 MD

Addresses

Primary practice location

325 9TH Ave
Seattle, WA 98104-2420

Mailing address

325 9TH Ave
Seattle, WA 98104-2420

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address sraddona@uw.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, WA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20251125002598 CA Practitioner - Qualified Speech Language Pathologist 3476045691 Reassigns benefits to 2 organizations
I20251223001007 WA Practitioner - Qualified Speech Language Pathologist 3476045691 Practice locations: Seattle, WA

Care Compare profile

Medicare Care Compare
Specialty
Qualified Speech Language Pathologist
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Slptele LLCGroup PAC ID 5395163174, 84 clinicians

Practice addresses (Care Compare)

11801 Pierce St
Suite 200
Riverside, CA 92505-4400
Phone (877) 757-8353

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
36116CAMDOptometrist
LL61440693WAMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
All Care Physical Therapy, P.C. Speech-Language Pathologist CurrentSince Sep 13, 2025 Accepting new patients
Slptele LLC Speech-Language Pathologist CurrentSince Sep 13, 2025 Accepting new patients
Seersoft Past Accepting new patients

Locations

1101 Marina Village Pkwy
Ste 201
Alameda, CA 94501
Phone (510) 402-4646

4900 California Ave
Fl 2
Bakersfield, CA 93309
Phone (510) 722-5630

333 H St
Ste 5000
Chula Vista, CA 91910
Phone (619) 349-5410

516 W Shaw Ave
Ste 200
Fresno, CA 93704
Phone (559) 221-2584

530 Technology Dr
Ste 100
Irvine, CA 92618
Phone (213) 375-4070

5450 W Pico Blvd
Ste 202
Los Angeles, CA 90019
Phone (214) 893-2790

6420 Wilshire Blvd
Ste 600
Los Angeles, CA 90048
Phone 81889422731025

931 10th St
Modesto, CA 95354
Phone (209) 771-4717

1100 W Town and Country Rd
Ste 1250
Orange, CA 92868
Phone (657) 339-2799

9431 Haven Ave
Ste 100
Rch Cucamonga, CA 91730
Phone (877) 841-2034

11801 Pierce St
Ste 200
Riverside, CA 92505
Phone (323) 547-2662

333 University Ave
Ste 200
Sacramento, CA 95825
Phone (707) 864-6860

8929 Aero Dr
Ste E
San Diego, CA 92123
Phone (858) 277-2277

9655 Granite Ridge Dr
Ste 200
San Diego, CA 92123
Phone (619) 604-3121

3031 Tisch Way
Ste 110
San Jose, CA 95128
Phone (669) 200-4619

3031 Tisch Way
Ste 110PW
San Jose, CA 95128

951 Mariners Island Blvd
Ste 300
San Mateo, CA 94404
Phone (551) 227-3669

25350 Magic Mountain Pkwy
Ste 300
Valencia, CA 91355
Phone (661) 247-9568

1500 Palma Dr
Fl 2
Ventura, CA 93003
Phone (805) 284-1783

6320 Canoga Ave
Fl 15
Woodland Hls, CA 91367
Phone 81889422731025

Interoperability endpoints

  • Direct secure messaging: sraddona@uw.edu

Organizations & group practices 3

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": "1696550400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774310400000",
    "number": "1508647454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042420"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042420",
            "telephone_number": "610-506-0300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ADDONA",
        "first_name": "SERINA",
        "middle_name": "ROSE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-10-06",
        "last_updated": "2026-03-24",
        "certification_date": "2026-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "WA",
            "license": "LL61440693",
            "primary": true
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "MD",
            "license": "10770",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sraddona@uw.edu",
            "affiliation": "N",
            "endpointDescription": "email address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "325 9th Ave",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981042420",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

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