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HELENA CHIH-HUA CHANG
NPI 1366731887
Urology in Seattle, WA

Active since April 05, 2011PECOS Enrolled
1536 N 115TH ST STE 300, SEATTLE, WA 98133(206) 668-5215 Get Directions Write a Review

NPPES record last updated: January 6, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 6, 2022, Mar 17, 2018, Oct 18, 2017 and 1 more (4 updates tracked since 2017).

About Helena Chih-hua Chang NPPES

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

HELENA CHIH-HUA CHANG (NPI 1366731887) is an individual urology provider in Seattle, Washington, licensed in Washington (60751346) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1366731887
Entity TypeIndividualFemale
Primary Taxonomy208800000X
Provider Legal NameHELENA CHIH-HUA CHANG
Location Address1536 N 115TH ST STE 300Seattle, WA 98133-8400
Mailing Address700 Lawrence ExpySanta Clara, CA 95051-5173 · (206) 543-6420
Phone(206) 668-5215
Sole ProprietorNo
Enumeration DateApril 5, 2011
Last NPPES UpdateJanuary 6, 20224 updates tracked since enumeration
✔ NPI 1366731887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in WA · 60751346
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
1536 N 115TH ST STE 300, Seattle, WA 98133
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Secondary Practice Locations 2

Location 11959 NE Pacific Street Box 356510Seattle, WA 98195-0001 · Phone (206) 685-1982
Location 2Ucsf Department Of Surgery, 513 Parnassus Avenue, S-321San Francisco, CA 94143-0001 · Phone (415) 476-2773

Other Identifiers 2

Medicaid1366731887WA
Other8967957WA · Medicare Pin

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helena Chih-hua Chang 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 98133 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
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 4

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

NAYAN CARL SHAH MD
Urology
1536 N 115TH ST STE 300
SEATTLE, WA 98133
King County (206) 520-5000
PETER LAWRENCE SUNARYO MD
Urology
1536 N 115TH ST STE 300
SEATTLE, WA 98133
King County (206) 520-5000
LISA L GILL PA-C
Physician Assistant
1536 N 115TH ST STE 300
SEATTLE, WA 98133
King County (520) 520-5000
ROBERT SWEET MD
Urology
1536 N 115TH ST STE 300
SEATTLE, WA 98133
King County (206) 668-5215

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 Helena Chang's NPI number?

The NPI number for Helena Chang is 1366731887. It was assigned to this individual provider in the NPPES registry on April 5, 2011.

Where is Helena Chang located?

Helena Chang practices at 1536 N 115th St Ste 300, Seattle, WA 98133. The listed phone number is (206) 668-5215.

What is Helena Chang's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Helena Chang enrolled in Medicare?

Yes. Helena Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Helena Chang was last updated on January 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.