SERINA ROSE ADDONA
NPI 1508647454
Speech-Language Pathologist in Seattle, WA

Active since October 06, 2023Accepts Medicare Assignment
325 9TH AVE, SEATTLE, WA 98104(610) 506-0300 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 24, 2026, Nov 17, 2025, Jun 5, 2024 and 1 more (4 updates tracked since 2023).

About Serina Rose Addona NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SERINA ROSE ADDONA (NPI 1508647454) is an individual speech-language pathologist provider in Seattle, Washington, licensed in Washington (LL61440693) and active in the NPI registry since October 2023. She is a graduate of Other (2022).

NPPES Registry Identity

NPI1508647454
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameSERINA ROSE ADDONA
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing Address325 9th AveSeattle, WA 98104-2420
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 6, 2023
Last NPPES UpdateMarch 24, 20264 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
✔ NPI 1508647454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Licenses✔ Licensed in WA · LL61440693✔ Licensed in MD · 10770
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
325 9TH AVE, Seattle, WA 98104

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Serina Rose Addona is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476045691
PECOS Enrollment IDI20251125002598

Medicare Billing Reassignments

2

Medicare enrollment records show Serina Addona reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physical Therapist
6320 CANOGA AVE FL 15
Woodland Hills, CA 91367
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: All Care Physical Therapy, PC
  • 266 clinicians in this Medicare group
1,874 mi
Behavior Analyst
810 S MASON RD STE 315
Katy, TX 77450
  • Reassigned Medicare billing, California enrollment
  • 124 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Serina Addona's NPI number?

The NPI number for Serina Addona is 1508647454. It was assigned to this individual provider in the NPPES registry on October 6, 2023.

Where is Serina Addona located?

Serina Addona practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (610) 506-0300.

What is Serina Addona's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Serina Addona enrolled in Medicare?

Yes. Serina Addona is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Serina Addona's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Serina Addona reassigns Medicare benefits to 2 organizations: All Care Physical Therapy, P.C. (Woodland Hills, CA) and Slptele LLC (Katy, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Serina Addona's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Serina Addona accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Serina Addona as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Serina Addona was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.