TIEN VIET NGUYEN MD
NPI 1841626546
Dermatology in Seattle, WA

Active since September 25, 2013PECOS Enrolled
1101 MADISON ST STE 301, SEATTLE, WA 98104(206) 505-1300 Get Directions Write a Review

NPPES record last updated: March 27, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 27, 2023, Nov 30, 2020, Sep 28, 2018 and 1 more (4 updates tracked since 2017).

About Tien Viet Nguyen Md NPPES

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

TIEN VIET NGUYEN MD (NPI 1841626546) is an individual dermatology provider in Seattle, Washington, licensed in Washington (MD60829829) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Bellevue.

NPPES Registry Identity

NPI1841626546
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameTIEN VIET NGUYENCredential: MD
Location Address1101 MADISON ST STE 301Seattle, WA 98104-3599
Mailing Address1101 Madison St Ste 301Seattle, WA 98104-3599 · (206) 505-1300
Sole ProprietorNo
Enumeration DateSeptember 25, 2013
Last NPPES UpdateMarch 27, 20234 updates tracked since enumeration
NPPES CertifiedNovember 30, 2020
NPI 1841626546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in WA · MD60829829
Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

1101 MADISON ST STE 301, Seattle, WA 98104

Secondary Practice Location 1

Location 11810 116th Ave NE Ste 100Bellevue, WA 98004-3043 · Phone (510) 332-4783 · Fax (425) 455-1511

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Tien Viet Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
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 20

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

Social Worker (Clinical)
1101 MADISON ST STE 301
SEATTLE, WA 98104
Internal Medicine
1101 MADISON ST STE 301
SEATTLE, WA 98104
Clinic/Center (Infusion Therapy)
1101 MADISON ST STE 301
SEATTLE, WA 98104
Social Worker
1101 MADISON ST STE 301
SEATTLE, WA 98104
Internal Medicine (Hematology & Oncology)
1101 MADISON ST STE 301
SEATTLE, WA 98104
Clinic/Center (Multi-Specialty)
1101 MADISON ST STE 301
SEATTLE, WA 98104
Urology
1101 MADISON ST STE 301
SEATTLE, WA 98104
Surgery
1101 MADISON ST STE 301
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 Tien Nguyen's NPI number?

The NPI number for Tien Nguyen is 1841626546. It was assigned to this individual provider in the NPPES registry on September 25, 2013.

Where is Tien Nguyen located?

Tien Nguyen practices at 1101 Madison St Ste 301, Seattle, WA 98104. The listed phone number is (206) 505-1300.

What is Tien Nguyen's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Tien Nguyen enrolled in Medicare?

Yes. Tien Nguyen is registered in the Medicare PECOS enrollment system.

What insurance does Tien Nguyen accept?

Health plans from Providence Health Plan list Tien 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 Tien Nguyen was last updated on March 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.