DR. PETER YI CH'EN MD, MPH
NPI 1619816659
Dermatology in Seattle, WA

Active since March 26, 2026PECOS Enrolled
925 SENECA ST, SEATTLE, WA 98101(206) 624-1144 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Peter Yi Ch'en Md, Mph NPPES

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

DR. PETER YI CH'EN MD, MPH (NPI 1619816659) is an individual dermatology provider in Seattle, Washington, licensed in Washington (MDRE.ML.70116493) and active in the NPI registry since March 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619816659
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. PETER YI CH'ENCredential: MD, MPH
Location Address925 SENECA STSeattle, WA 98101-2742
Mailing Address925 Seneca St., H8-gmeSeattle, WA 98101-2742
Sole ProprietorNo
Enumeration DateMarch 26, 2026
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
NPI 1619816659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in WA · MDRE.ML.70116493
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.
925 SENECA ST, Seattle, WA 98101

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Peter Yi Ch'en Md, Mph 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 98101 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.

Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Emergency Medicine
925 SENECA ST
SEATTLE, WA 98101
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST, MAIL STOP: H8-GME
SEATTLE, WA 98101
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101

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 Peter Ch'en's NPI number?

The NPI number for Peter Ch'en is 1619816659. It was assigned to this individual provider in the NPPES registry on March 26, 2026.

Where is Peter Ch'en located?

Peter Ch'en practices at 925 Seneca St, Seattle, WA 98101. The listed phone number is (206) 624-1144.

What is Peter Ch'en's specialty?

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

Is Peter Ch'en enrolled in Medicare?

Yes. Peter Ch'en is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Peter Ch'en was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.