THERESE WILLIAMS DUMAS ARNP
NPI 1831282409
Nurse Practitioner - Acute Care in Mount Vernon, WA
About Therese Williams Dumas Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESE WILLIAMS DUMAS ARNP (NPI 1831282409) is an individual acute care provider in Mount Vernon, Washington, licensed in Washington (AP60841862) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Therese Williams Dumas Arnp 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 Therese Dumas 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.
Areas of Expertise CMS Part B claims 8
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAIsland Hospital
Acute Care Hospitals · Anacortes, WAWhidbeyhealth Medical Center
Critical Access Hospitals · Coupeville, WAPhysician 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
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
MOUNT VERNON, WA 98274
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 Therese Dumas's NPI number?
The NPI number for Therese Dumas is 1831282409. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Therese Dumas located?
Therese Dumas practices at 307 S 13th St Ste 300, Mount Vernon, WA 98274. The listed phone number is (360) 336-9757.
What is Therese Dumas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Therese Dumas enrolled in Medicare?
Yes. Therese Dumas 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 Therese Dumas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Therese Dumas 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 Therese Dumas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Therese Dumas accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Therese Dumas 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 Therese Dumas affiliated with any hospitals?
According to CMS data, Therese Dumas is affiliated with Skagit Valley Hospital, Island Hospital and Whidbeyhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Therese Dumas was last updated on October 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Therese Williams Dumas, ARNP · NPI 1831282409
Acute Care physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1831282409 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** AP60841862 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 307 S 13TH ST STE 300, Mount Vernon, WA 98274-4100
- **Phone:** (360) 336-9757 · **Fax:** (360) 814-5237
## 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 1023332749, Mount Vernon, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** October 27, 2021
- **Other identifiers:** Medicaid 2107382 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1831282409) · Data from the CMS NPPES public registry.