THERESE WILLIAMS DUMAS ARNP
NPI 1831282409
Nurse Practitioner - Acute Care in Mount Vernon, WA

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
307 S 13TH ST STE 300, MOUNT VERNON, WA 98274(360) 336-9757(360) 814-5237 Get Directions Write a Review

NPPES record last updated: October 27, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 2, 2018, Feb 19, 2016 (2 updates tracked since 2016).

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

NPI1831282409
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameTHERESE WILLIAMS DUMASCredential: ARNP
Location Address307 S 13TH ST STE 300Mount Vernon, WA 98274-4100
Mailing Address1400 E Kincaid St, Attn: CredentialingMount Vernon, WA 98274-4127 · (360) 428-2500
Fax(360) 814-5237
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateOctober 2, 2006
Last NPPES UpdateOctober 27, 20212 updates tracked since enumeration
NPPES CertifiedOctober 27, 2021
NPI 1831282409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in WA · AP60841862
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP60841862 (WA)
307 S 13TH ST STE 300, Mount Vernon, WA 98274

Other Identifiers 1

Medicaid2107382WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6204808033
PECOS Enrollment IDI20190124000593
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
116 services94 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
90 services82 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
47 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
36 services32 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
32 services27 patients

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, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Whidbeyhealth Medical Center

Critical Access Hospitals · Coupeville, WA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501339
Location101 North Main StreetCoupeville, WA 98239 · Island County
Emergency services

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.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Nurse Practitioner (Family)
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Nurse Practitioner (Acute Care)
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Physician Assistant (Medical)
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Dietitian, Registered
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Internal Medicine (Clinical Cardiac Electrophysiology)
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Specialist
307 S 13TH ST STE 300
MOUNT VERNON, WA 98274
Physician Assistant (Medical)
307 S 13TH ST STE 300
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.

What insurance does Therese Dumas accept?

Health plans from PacificSource Health Plans, 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 4 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.