DR. EUGENE CHANG MD, PHD
NPI 1992199459
Internal Medicine - Cardiovascular Disease in Marysville, WA
About Dr. Eugene Chang Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EUGENE CHANG MD, PHD (NPI 1992199459) is an individual cardiovascular disease provider in Marysville, Washington, licensed in Washington (MD61110128) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Eugene Chang Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Eugene Chang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 1,285 clinicians in this Medicare group
Marysville, WA 98271
- Reassigned Medicare billing, Washington enrollment
- 705 clinicians in this Medicare group
Lynnwood, WA 98036
- Reassigned Medicare billing, Washington enrollment
- 7 clinicians in this Medicare group
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 911 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 37
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Regional Medical Center Everett
Acute Care Hospitals · Everett, WAWhidbeyhealth Medical Center
Critical Access Hospitals · Coupeville, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98271 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MARYSVILLE, WA 98271
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 Eugene Chang's NPI number?
The NPI number for Eugene Chang is 1992199459. It was assigned to this individual provider in the NPPES registry on March 23, 2015.
Where is Eugene Chang located?
Eugene Chang practices at 2901 174th St NE, Marysville, WA 98271. The listed phone number is (360) 454-1911.
What is Eugene Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Eugene Chang enrolled in Medicare?
Yes. Eugene Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Eugene Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Chang reassigns Medicare benefits to 4 organizations: Optum Care Washington PLLC (Arlington, WA), Providence Health & Services - Washington (Marysville, WA), Cardionow PLLC (Lynnwood, WA) and The Polyclinic PLLC (Seattle, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eugene Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eugene Chang accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Eugene 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.
Is Eugene Chang affiliated with any hospitals?
According to CMS data, Eugene Chang is affiliated with Providence Regional Medical Center Everett and Whidbeyhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Eugene Chang was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.