Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. TRISTAN BOY ARNP
NPI 1851717748
Nurse Practitioner in Everett, WA

Active since March 15, 2014PECOS EnrolledAccepts Medicare Assignment
3901 HOYT AVE, EVERETT, WA 98201(425) 339-5431(425) 257-1423 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 20, 2026, Nov 13, 2019 (2 updates tracked since 2019).

About Ms. Tristan Boy Arnp NPPES

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

MS. TRISTAN BOY ARNP (NPI 1851717748) is an individual nurse practitioner in Everett, Washington, licensed in Washington (AP60448110) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1851717748
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. TRISTAN BOYCredential: ARNP
Location Address3901 HOYT AVEEverett, WA 98201
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Fax(425) 257-1423
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 15, 2014
Last NPPES UpdateJuly 20, 20262 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
NPI 1851717748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in WA · AP60448110
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
3901 HOYT AVE, Everett, WA 98201

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

Ms. Tristan Boy 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 ID3476776972
PECOS Enrollment IDI20140602002607
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 12

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
189 services78 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
181 services79 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.
170 services67 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
119 services67 patients
Urine microalbumin (protein) level 82043
The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.
108 services66 patients
Creatinine level to test for kidney function or muscle injury 82570
A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.
108 services66 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98201 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
4 suppliers16 claims199 services$18.30 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
4 suppliers16 claims480 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
19 suppliers44 claims220 services$5.98 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers17 claims44 services$1.13 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
1 supplier13 claims13 services$305.95 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
14 suppliers191 claims198 services$186.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner (Family)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Interventional Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics (Pediatric Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Family Medicine (Geriatric Medicine)
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Rheumatology)
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner
3901 HOYT AVE
EVERETT, WA 98201

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 Tristan Boy's NPI number?

The NPI number for Tristan Boy is 1851717748. It was assigned to this individual provider in the NPPES registry on March 15, 2014.

Where is Tristan Boy located?

Tristan Boy practices at 3901 Hoyt Ave, Everett, WA 98201. The listed phone number is (425) 339-5431.

What is Tristan Boy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Tristan Boy enrolled in Medicare?

Yes. Tristan Boy 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 Tristan Boy accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Tristan Boy 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 Tristan Boy was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.