MARK R. WALLACE MD
NPI 1982683603
Internal Medicine - Infectious Disease in Mount Vernon, WA
About Mark R. Wallace Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK R. WALLACE MD (NPI 1982683603) is an individual infectious disease provider in Mount Vernon, Washington, licensed in Washington (MD00020591) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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 R. Wallace Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Wallace reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Vernon, WA 98274
- Reassigned Medicare billing, Washington enrollment
- 463 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98274 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.
MOUNT VERNON, WA 98274
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 Wallace's NPI number?
The NPI number for Mark Wallace is 1982683603. It was assigned to this individual provider in the NPPES registry on January 11, 2006.
Where is Mark Wallace located?
Mark Wallace practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 848-4150.
What is Mark Wallace's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Mark Wallace enrolled in Medicare?
Yes. Mark Wallace is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Wallace reassigns Medicare benefits to Public Hospital Dist No 1 Skagit (Mount Vernon, WA). The 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 Wallace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Wallace accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Mark Wallace 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 Wallace was last updated on February 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mark R. Wallace, MD · NPI 1982683603
Infectious Disease physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since January 11, 2006.
## Identity
- **NPI:** 1982683603 (Entity type: Individual)
- **Enumerated:** January 11, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD00020591 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 E KINCAID ST, Mount Vernon, WA 98274-4127
- **Phone:** (360) 848-4150 · **Fax:** (360) 428-6485
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Public Hospital Dist No 1 Skagit (NPI 1023332749, Mount Vernon, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 28, 2017
- **Other identifiers:** Medicaid 2039554 (WA); Medicare PIN G8935740 (WA); Medicare UPIN F43375 (FL); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1982683603) · Data from the CMS NPPES public registry.