Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREW CHI-HSIANG CHEN
NPI 1558123299
Oral & Maxillofacial Surgery in Seattle, WA

Q: What is Andrew Chen's NPI number?

The NPI number for Andrew Chen is 1558123299. It was assigned to this individual provider in the NPPES registry on January 29, 2024.

Q: What is Andrew Chen's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Chen was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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 29, 2024PECOS Enrolled

1959 NE PACIFIC ST, SEATTLE, WA 98195(734) 548-7696 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 30, 2025, Jul 3, 2024 (2 updates tracked since 2024).

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About Andrew Chi-hsiang Chen NPPES

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

ANDREW CHI-HSIANG CHEN (NPI 1558123299) is an individual oral & maxillofacial surgery provider in Seattle, Washington, licensed in Washington (DENT.DE.61690388) and active in the NPI registry since January 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558123299

Entity TypeIndividualMale

Primary Taxonomy204E00000X

Provider Legal NameANDREW CHI-HSIANG CHEN

Location Address1959 NE PACIFIC STSeattle, WA 98195-0001

Mailing Address1959 Ne Pacific Street Box 357134Seattle, WA 98195-0001

Phone(734) 548-7696

Sole ProprietorNo

Enumeration DateJanuary 29, 2024

Last NPPES UpdateJuly 2, 20262 updates tracked since enumeration

NPPES CertifiedJuly 2, 2026

✔ NPI 1558123299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOral & Maxillofacial SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code204E00000X

License✔ Licensed in WA · DENT.DE.61690388

Definition

Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.

Also ListedDentistTaxonomy 122300000X · License DENT.DE.61690388 (WA)

1959 NE PACIFIC ST, Seattle, WA 98195

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrew Chi-hsiang Chen 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.

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.

LEONIE A NEVILLE PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1959 NE PACIFIC ST
SEATTLE, WA 98195

King County (206) 598-4874

ALISA BETH KACHIKIS M.D.

Obstetrics & Gynecology (Maternal & Fetal Medicine)

1959 NE PACIFIC ST, 3RD FLOOR SW 350
SEATTLE, WA 98195

King County (206) 598-4070

MS. MARY PATRICIA DODGE MS, OTR/L

Occupational Therapist

1959 NE PACIFIC ST, MAILBOX 356490
SEATTLE, WA 98195

King County (206) 598-4830

RIKA SHIRAKAWA M.D.

Ophthalmology

1959 NE PACIFIC ST, BOX 365485
SEATTLE, WA 98195

King County (206) 558-9616

VEDA TSOI M.D.

Anesthesiology

1959 NE PACIFIC ST
SEATTLE, WA 98195

King County (801) 556-7628

KATHRYN TAMURA PHARM.D.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1959 NE PACIFIC ST, BOX 356015
SEATTLE, WA 98195

King County (206) 598-6060

DR. MARK ROBERT, MICHAEL KILGORE M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1959 NE PACIFIC ST, BOX 356100
SEATTLE, WA 98195

King County (206) 598-1821

DR. SERKAN MEHMET SAHIN M.D.

Hospitalist

1959 NE PACIFIC ST
SEATTLE, WA 98195

King County (206) 543-6420

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 Andrew Chen's NPI number?

The NPI number for Andrew Chen is 1558123299. It was assigned to this individual provider in the NPPES registry on January 29, 2024.

Where is Andrew Chen located?

Andrew Chen practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (734) 548-7696.

What is Andrew Chen's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Is Andrew Chen enrolled in Medicare?

Yes. Andrew Chen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Andrew Chen was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.