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WILLIAM BRENTON ARNP
NPI 1154706190
Nurse Practitioner - Family in Mount Vernon, WA

Active since July 20, 2015PECOS EnrolledAccepts Medicare Assignment
1801 E DIVISION ST, MOUNT VERNON, WA 98274(360) 424-4410 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 26, 2026, Nov 21, 2018, Aug 28, 2016 (3 updates tracked since 2016).

About William Brenton Arnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM BRENTON ARNP (NPI 1154706190) is an individual family provider in Mount Vernon, Washington, licensed in Washington (AP60582496) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains a secondary practice location in Bellingham.

NPPES Registry Identity

NPI1154706190
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameWILLIAM BRENTONCredential: ARNP
Location Address1801 E DIVISION STMount Vernon, WA 98274-4632
Mailing Address1415 E Kincaid StMount Vernon, WA 98274-4126 · (360) 428-2500
Phone(360) 424-4410
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 20, 2015
Last NPPES UpdateMay 26, 20263 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1154706190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WA · AP60582496
1801 E DIVISION ST, Mount Vernon, WA 98274
Open in Google Maps ↗

Secondary Practice Location 1

Location 12979 Squalicum Pkwy Ste 101Bellingham, WA 98225 · Phone (360) 734-2700 · Fax (360) 734-8362

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

William Brenton 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 ID6406164144
PECOS Enrollment IDI20150930001335
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 4

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 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.
646 services453 patients
Anticoagulant management of patient taking warfarin 93793
Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.
92 services18 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.
44 services40 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
19 services15 patients

Hospital Affiliations CMS Care Compare 4

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

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500030
Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County
Emergency services Birthing friendly

Peacehealth United General Medical Center

Critical Access Hospitals · Sedro Woolley, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501329
Location2000 Hospital DriveSedro Woolley, WA 98284 · Skagit 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 4

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

MADELINE C. BUTTON PA
Physician Assistant (Medical)
1801 E DIVISION ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
DR. DAVID POTHEN ABRAHAM DO
Internal Medicine
1801 E DIVISION ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-4410
NORTHWEST ASTHMA & ALLERGY CENTER
Allergy & Immunology
1801 E DIVISION ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-4410
MS. ALEXA NICOLE REYES CELERIAN DO
Internal Medicine
1801 E DIVISION ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-4410

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 William Brenton's NPI number?

The NPI number for William Brenton is 1154706190. It was assigned to this individual provider in the NPPES registry on July 20, 2015.

Where is William Brenton located?

William Brenton practices at 1801 E Division St, Mount Vernon, WA 98274. The listed phone number is (360) 424-4410.

What is William Brenton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is William Brenton enrolled in Medicare?

Yes. William Brenton 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 William Brenton accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Brenton 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 William Brenton affiliated with any hospitals?

According to CMS data, William Brenton is affiliated with Skagit Valley Hospital, Island Hospital, St Joseph Hospital and Peacehealth United General Medical Center.

When was this NPI record last updated?

The NPPES record for William Brenton was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.