MARY OESTREICH ARNP
NPI 1073165593
Nurse Practitioner in Everett, WA

Active since July 15, 2019PECOS EnrolledAccepts Medicare Assignment
3927 RUCKER AVE, EVERETT, WA 98201(425) 339-5421(425) 317-3975 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 22, 2026, Apr 15, 2026, Sep 4, 2025 and 5 more (8 updates tracked since 2019).

About Mary Oestreich Arnp NPPES

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

MARY OESTREICH ARNP (NPI 1073165593) is an individual nurse practitioner in Everett, Washington, licensed in Washington (AP60969818) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Arlington, and is a graduate of University Of Washington School Of Medicine (2019).

NPPES Registry Identity

NPI1073165593
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY OESTREICHCredential: ARNP
Location Address3927 RUCKER AVEEverett, WA 98201-4833
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Fax(425) 317-3975
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2019
Enumeration DateJuly 15, 2019
Last NPPES UpdateApril 22, 20268 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
NPI 1073165593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses Licensed in WA · AP60969818 Licensed in WA · RN60361509
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.

3927 RUCKER AVE, Everett, WA 98201

Other Names 1

Former Name (1)Mary Anderson Arnp

Secondary Practice Location 1

Location 14011 172nd ST NEArlington, WA 98223 · Phone (425) 259-0966

Other Identifiers 1

Medicaid2149186WA

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

Mary Oestreich 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 ID1850728270
PECOS Enrollment IDI20200225001527
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 13

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
1,125 services11 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.
66 services56 patients
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.
40 services36 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
38 services36 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.
32 services31 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test 85027
A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.
25 services23 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.

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
3927 RUCKER AVE
EVERETT, WA 98201
Occupational Therapist
3927 RUCKER AVE
EVERETT, WA 98201
Clinical Nurse Specialist (Medical-Surgical)
3927 RUCKER AVE
EVERETT, WA 98201
Internal Medicine
3927 RUCKER AVE
EVERETT, WA 98201
Physical Therapist
3927 RUCKER AVE
EVERETT, WA 98201
Physician Assistant (Medical)
3927 RUCKER AVE
EVERETT, WA 98201
Nurse Anesthetist, Certified Registered
3927 RUCKER AVE
EVERETT, WA 98201
Nurse Practitioner
3927 RUCKER 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 Mary Oestreich's NPI number?

The NPI number for Mary Oestreich is 1073165593. It was assigned to this individual provider in the NPPES registry on July 15, 2019. The provider is also known as Mary Anderson Arnp.

Where is Mary Oestreich located?

Mary Oestreich practices at 3927 Rucker Ave, Everett, WA 98201. The listed phone number is (425) 339-5421.

What is Mary Oestreich's specialty?

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

Is Mary Oestreich enrolled in Medicare?

Yes. Mary Oestreich 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 Mary Oestreich accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mary Oestreich 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 Mary Oestreich was last updated on April 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.