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MR. SEAN HWANG DDS
NPI 1356902217
Dentist - Periodontics in Woodinville, WA

Active since June 21, 2019PECOS Enrolled
13515 NE 175TH ST STE B, WOODINVILLE, WA 98072(425) 217-8797 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 1, 2022, Jun 21, 2019 (2 updates tracked since 2019).

About Mr. Sean Hwang Dds NPPES

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

MR. SEAN HWANG DDS (NPI 1356902217) is an individual periodontics provider in Woodinville, Washington, licensed in Tennessee (12030) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1356902217
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameMR. SEAN HWANGCredential: DDS
Location Address13515 NE 175TH ST STE BWoodinville, WA 98072-8566
Mailing Address15843 Ne 83rd WayRedmond, WA 98052-3887 · (617) 735-5201
Phone(425) 217-8797
Sole ProprietorNo
Enumeration DateJune 21, 2019
Last NPPES UpdateAugust 28, 20252 updates tracked since enumeration
NPPES CertifiedAugust 28, 2025
✔ NPI 1356902217 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in TN · 12030
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
Also ListedDentistTaxonomy 122300000X · License 0401418162 (VA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
13515 NE 175TH ST STE B, Woodinville, WA 98072
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Kneeland StBoston, MA 02111-1527 · Phone (617) 636-6828
Location 2125 Wendelwood Dr Ste BMurfreesboro, TN 37129-3746 · Phone (615) 904-1585

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.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)

Mr. Sean Hwang Dds 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 98072 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

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

THOMAS OLIVER MARXEN D.D.S, M.S.D.
Dentist (Prosthodontics)
13515 NE 175TH ST STE B
WOODINVILLE, WA 98072
King County (425) 483-2442

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 Sean Hwang's NPI number?

The NPI number for Sean Hwang is 1356902217. It was assigned to this individual provider in the NPPES registry on June 21, 2019.

Where is Sean Hwang located?

Sean Hwang practices at 13515 NE 175th St Ste B, Woodinville, WA 98072. The listed phone number is (425) 217-8797.

What is Sean Hwang's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Is Sean Hwang enrolled in Medicare?

Yes. Sean Hwang is registered in the Medicare PECOS enrollment system.

What insurance does Sean Hwang accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 16 other insurers list Sean Hwang 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 Sean Hwang was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.