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HANNAH TSAI AU.D.
NPI 1659183531
Audiologist in Issaquah, WA

Active since January 27, 2025Accepts Medicare Assignment
510 8TH AVE NE STE 310, ISSAQUAH, WA 98029(425) 454-3938(425) 392-3561 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hannah Tsai Au.d. NPPES

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

HANNAH TSAI AU.D. (NPI 1659183531) is an individual audiologist in Issaquah, Washington, licensed in Washington (LD61631754) and active in the NPI registry since January 2025. She maintains a secondary practice location in Bellevue and is a graduate of Other (2024).

NPPES Registry Identity

NPI1659183531
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameHANNAH TSAICredential: AU.D.
Location Address510 8TH AVE NE STE 310Issaquah, WA 98029-5436
Mailing Address510 8th Ave Ne Ste 310Issaquah, WA 98029-5436 · (425) 454-3938 · Fax (425) 392-3561
Phone(425) 454-3938
Fax(425) 392-3561
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 27, 2025
Last NPPES UpdateApril 27, 2026
NPPES CertifiedApril 27, 2026
✔ NPI 1659183531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in WA · LD61631754
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
Also ListedAudiologist-Hearing Aid FitterTaxonomy 237600000X
510 8TH AVE NE STE 310, Issaquah, WA 98029
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Secondary Practice Location 1

Location 11231 116th Ave NE Ste 915Bellevue, WA 98004-3822 · Phone (425) 454-3938 · Fax (425) 454-2568

Other Identifiers 1

Medicaid2029367WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Hannah Tsai Au.d. 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 ID7911437561
PECOS Enrollment IDI20250211003514

Medicare Billing Reassignment

Medicare enrollment records show Hannah Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Proliance Surgeons Inc., P.S.
Same address
Physical Therapist
510 8TH AVE NE STE 340
Issaquah, WA 98029
  • Reassigned Medicare billing, Washington enrollment
  • 589 clinicians in this Medicare group
NPI 1083752042 (425) 313-3051

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$63.67 typical visit price
range $63.67 – $189.37
Typical copayment $15.91 (range $15.91 – $47.34)
Most-billed visit code 99202
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

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

PROLIANCE SURGEONS, INC., P.S.
Otolaryngology
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 454-3938
BLAKE J. BECK PA-C
Physician Assistant (Surgical)
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 462-5006
DR. JULIA A. WOOD AU.D., CCC-A
Audiologist
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 454-3938
ELIZABETH A RIPLEY AUD
Audiologist
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 454-3938
MR. CRAIG R VILLARI M.D.
Otolaryngology
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 454-3938
MRS. LYNN NGUYEN ADRAINCEM PA-C
Physician Assistant (Surgical)
510 8TH AVE NE STE 310
ISSAQUAH, WA 98029
King County (425) 454-3938

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 Hannah Tsai's NPI number?

The NPI number for Hannah Tsai is 1659183531. It was assigned to this individual provider in the NPPES registry on January 27, 2025.

Where is Hannah Tsai located?

Hannah Tsai practices at 510 8th Ave NE Ste 310, Issaquah, WA 98029. The listed phone number is (425) 454-3938.

What is Hannah Tsai's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Hannah Tsai enrolled in Medicare?

Yes. Hannah Tsai 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 organization bills Medicare for Hannah Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Tsai reassigns Medicare benefits to Proliance Surgeons Inc., P.S. (Issaquah, WA). The 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 Hannah Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hannah Tsai accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Hannah Tsai 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 Hannah Tsai was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.