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DR. KATHY YEACHYNG CHANG MD, MPH
NPI 1043357742
Preventive Medicine - Occupational Medicine in Portland, OR

Active since January 31, 2007PECOS Enrolled
1620 NE 122ND AVE, PORTLAND, OR 97230(800) 813-2000 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Kathy Yeachyng Chang Md, Mph NPPES

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

DR. KATHY YEACHYNG CHANG MD, MPH (NPI 1043357742) is an individual occupational medicine provider in Portland, Oregon, licensed in Oregon (MD26244) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1043357742
Entity TypeIndividualFemale
Primary Taxonomy2083X0100X
Provider Legal NameDR. KATHY YEACHYNG CHANGCredential: MD, MPH
Location Address1620 NE 122ND AVEPortland, OR 97230
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031
Phone(800) 813-2000
Sole ProprietorNo
Enumeration DateJanuary 31, 2007
Last NPPES UpdateFebruary 25, 2026
NPPES CertifiedFebruary 25, 2026
✔ NPI 1043357742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
Licenses✔ Licensed in OR · MD26244✔ Licensed in WA · MD60201740
Definition
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License MD26244 (OR)
1620 NE 122ND AVE, Portland, OR 97230
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Secondary Practice Locations 2

Location 117700 SE Mill Plain Blvd Ste 190Vancouver, WA 98683-7582 · Phone (800) 813-2000
Location 23449 N Anchor St, Suite 500Portland, OR 97217-7679 · Phone (503) 285-6627

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.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)

Dr. Kathy Yeachyng Chang 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 97230 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
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 2

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

MATTHEW HAGLUND
Physical Therapist
1620 NE 122ND AVE
PORTLAND, OR 97230
Multnomah County (503) 571-3366
KAISER FOUNDATION HEALTH PLAN OF THE NORTHWEST
General Practice
1620 NE 122ND AVE
PORTLAND, OR 97230
Multnomah County (800) 813-2000

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 Kathy Chang's NPI number?

The NPI number for Kathy Chang is 1043357742. It was assigned to this individual provider in the NPPES registry on January 31, 2007.

Where is Kathy Chang located?

Kathy Chang practices at 1620 NE 122nd Ave, Portland, OR 97230. The listed phone number is (800) 813-2000.

What is Kathy Chang's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Is Kathy Chang enrolled in Medicare?

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

What insurance does Kathy Chang accept?

Health plans from Kaiser Permanente list Kathy Chang 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 Kathy Chang was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.