DR. MARK LITTON DO
NPI 1255775789
Family Medicine in Stanwood, WA
About Dr. Mark Litton Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK LITTON DO (NPI 1255775789) is an individual family medicine provider in Stanwood, Washington, licensed in Washington (OP60706377) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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. Mark Litton Do 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 Reassignment
Medicare enrollment records show Mark Litton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, WA 98223
- 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.
Areas of Expertise CMS Part B claims 7
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.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WACascade Valley Hospital
Acute Care Hospitals · Arlington, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98292 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Litton's NPI number?
The NPI number for Mark Litton is 1255775789. It was assigned to this individual provider in the NPPES registry on April 26, 2013.
Where is Mark Litton located?
Mark Litton practices at 9631 269th St NW, Stanwood, WA 98292. The listed phone number is (360) 629-1600.
What is Mark Litton's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Litton enrolled in Medicare?
Yes. Mark Litton 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 organization bills Medicare for Mark Litton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Litton reassigns Medicare benefits to Public Hospital Dist No 1 Skagit (Arlington, 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 Litton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Litton accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mark Litton 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 Mark Litton affiliated with any hospitals?
According to CMS data, Mark Litton is affiliated with Skagit Valley Hospital and Cascade Valley Hospital.
When was this NPI record last updated?
The NPPES record for Mark Litton was last updated on March 14, 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.
# Dr. Mark Litton, DO · NPI 1255775789
Family Medicine physician in Stanwood, Washington. Individual provider, active in the CMS NPPES registry since April 26, 2013.
## Identity
- **NPI:** 1255775789 (Entity type: Individual)
- **Enumerated:** April 26, 2013
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** OP60706377 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 9631 269TH ST NW, Stanwood, WA 98292-8071
- **Phone:** (360) 629-1600 · **Fax:** (360) 629-1644
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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 1265791065, Arlington, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** March 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255775789) · Data from the CMS NPPES public registry.