DR. THUCUC THI-THU NGUYEN M.D.
NPI 1699824110
Psychiatry & Neurology - Psychiatry in Mercer Island, WA

Q: What is Thucuc Nguyen's NPI number?

The NPI number for Thucuc Nguyen is 1699824110. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Q: What is Thucuc Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Thucuc Nguyen enrolled in Medicare?

No. Thucuc Nguyen has opted out of Medicare through August 3, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Thucuc Nguyen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.

Active since January 10, 2007Opted out of Medicare · through Aug 3, 2027

9725 SE 36TH ST, SUITE, MERCER ISLAND, WA 98040(206) 236-5553(206) 236-0506 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Thucuc Thi-thu Nguyen M.d. NPPES

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

DR. THUCUC THI-THU NGUYEN M.D. (NPI 1699824110) is an individual psychiatry provider in Mercer Island, Washington, licensed in Washington (MD00026682) and active in the NPI registry since January 2007. She has opted out of Medicare through August 3, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1699824110

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. THUCUC THI-THU NGUYENCredential: M.D.

Location Address9725 SE 36TH ST, SUITEMercer Island, WA 98040-3841

Mailing Address9725 Se 36th St, SuiteMercer Island, WA 98040-3841 · (206) 236-5553 · Fax (206) 236-0506

Phone(206) 236-5553

Fax(206) 236-0506

Sole ProprietorYes

Enumeration DateJanuary 10, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1699824110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in WA · MD00026682

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

9725 SE 36TH ST, Mercer Island, WA 98040

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Other Identifiers 2

Other4308909Aetna Pin #

OtherNG5663Regence Pin#

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Thucuc Thi-thu Nguyen M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 3, 2015 through August 3, 2027.

Opt-Out Effective DateAugust 3, 2015

Opt-Out In Effect ThroughAugust 3, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98040 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

$189.37 typical visit price

range $63.67 – $189.37

Typical copayment $47.34 (range $15.91 – $47.34)

Most-billed visit code 99205

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 9

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

ROBIN H FONTANA ARNP

Registered Nurse (Gerontology)

9725 SE 36TH ST, SUITE 214
MERCER ISLAND, WA 98040

King County (206) 275-3588

MR. DAN W REIFF PH.D.

Nutritionist

9725 SE 36TH ST, SUITE 301
MERCER ISLAND, WA 98040

King County (206) 232-8404

SONJA BRADFORD MS, CCC-SLP

Speech-Language Pathologist

9725 SE 36TH ST
MERCER ISLAND, WA 98040

King County (206) 232-2046

DR. MARY ANNE EARLS PH.D.

Psychologist

9725 SE 36TH ST, SUITE 212
MERCER ISLAND, WA 98040

King County (206) 236-5678

DR. KATHLEEN KIM LAMPSON REIFF PH.D.

Psychologist

9725 SE 36TH ST, SUITE 301
MERCER ISLAND, WA 98040

King County (206) 232-8404

SAMANTHA ZEISLOFT PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

9725 SE 36TH ST
MERCER ISLAND, WA 98040

King County (678) 674-4004

LESA BLACK M.S. CCC-SLP

Speech-Language Pathologist

9725 SE 36TH ST, SUITE 205
MERCER ISLAND, WA 98040

King County (206) 232-2046

DR. MARY PATRICIA BROWNING ND

Naturopath

9725 SE 36TH ST, SUITE 212
MERCER ISLAND, WA 98040

King County (206) 486-4292

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 Thucuc Nguyen's NPI number?

The NPI number for Thucuc Nguyen is 1699824110. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Thucuc Nguyen located?

Thucuc Nguyen practices at 9725 SE 36th St Suite, Mercer Island, WA 98040. The listed phone number is (206) 236-5553.

What is Thucuc Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Thucuc Nguyen enrolled in Medicare?

No. Thucuc Nguyen has opted out of Medicare through August 3, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Thucuc Nguyen accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Thucuc Nguyen 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 Thucuc Nguyen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.