MARK J ZARZYCKI MD
NPI 1215972930
Emergency Medicine in Bellingham, WA
About Mark J Zarzycki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK J ZARZYCKI MD (NPI 1215972930) is an individual emergency medicine provider in Bellingham, Washington, licensed in Washington (MD00024878) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark J Zarzycki Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
11Medicare enrollment records show Mark Zarzycki reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sedro Woolley, WA 98284
- Reassigned Medicare billing, Washington enrollment
- 139 clinicians in this Medicare group
Friday Harbor, WA 98250
- Reassigned Medicare billing, Washington enrollment
- 92 clinicians in this Medicare group
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 519 clinicians in this Medicare group
Kent, WA 98030
- Reassigned Medicare billing, Washington enrollment
- 4,383 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- 2,534 clinicians in this Medicare group
Hillsboro, ND 58045
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1043218753 (Minnesota)
- 219 clinicians in this Medicare group
Clearbrook, MN 56634
- Reassigned Medicare billing, Minnesota enrollment
- 607 clinicians in this Medicare group
International Falls, MN 56649
- Reassigned Medicare billing, Minnesota enrollment
- 39 clinicians in this Medicare group
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98225 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.
BELLINGHAM, WA 98225
BELLINGHAM, WA 98225
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 Mark Zarzycki's NPI number?
The NPI number for Mark Zarzycki is 1215972930. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Mark Zarzycki located?
Mark Zarzycki practices at 2901 Squalicum Pkwy, Bellingham, WA 98225. The listed phone number is (360) 734-5400.
What is Mark Zarzycki's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Zarzycki enrolled in Medicare?
Yes. Mark Zarzycki is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Zarzycki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Zarzycki reassigns Medicare benefits to 11 organizations: Sound Physicians Emergency Medicine Of Washington PLLC (Sedro Woolley, WA), Peacehealth (Friday Harbor, WA), Northwest Emergency Physicians LLC (Arlington, WA), Multicare Health System (Kent, WA), Manor Care Of Salmon Creek Wa, Association (Vancouver, WA) and 6 more organizations, listed in the Medicare section above. 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 Mark Zarzycki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Zarzycki accept?
Health plans from Sanford Health Plan list Mark Zarzycki 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 Mark Zarzycki was last updated on September 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.