Active NPI 1073165593 Individual Practitioner Female Practitioner

Mary Oestreich , ARNP

Nurse Practitioner • Everett, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Mary Oestreich, ARNP is a certified Nurse Practitioner practicing in Everett, WA. With approximately 7 years of clinical experience since graduating from University Of Washington School Of Medicine in 2019, Mary Oestreich delivers high-quality medical care to the local community at 3927 RUCKER AVE.

Mary Oestreich is affiliated with Optum Care Washington Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient outpatient office visit, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3927 Rucker Ave

Everett, WA 982014833

Telephone 4253395421

Fax 4253173975

Associated Practice Facility / Clinic

🏢 Optum Care Washington Pllc Facility NPI 1154318103

Medicare Profile & Education

Medical School

University Of Washington School Of Medicine

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Everett, WA

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

7 Yrs -3.9 yrs vs City Avg

City Avg: 10.9 Yrs

State Avg: 11.0 Yrs

Regional Practice Density

120 Specialists

Practicing in Everett, WA (2339 Statewide)

Telehealth Adoption Rate

20.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

69.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oestreich (7 Years) 7 Yrs

Everett Specialty Average (10.9 Years) 10.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,125	11	$1.25	$0.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	56	$349.52	$106.67
36415 Insertion of needle into vein for collection of blood sample	40	36	$18.00	$8.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	36	$152.46	$48.18
99213 Established patient office or other outpatient visit, typically 15 minutes	32	31	$245.15	$75.55
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	25	23	$14.50	$6.09
82728 Ferritin (blood protein) level	15	12	$30.50	$13.36
82784 Gammaglobulin (immune system protein) measurement	15	15	$21.00	$8.17
83540 Iron level	14	11	$14.50	$6.34
84466 Transferrin (iron binding protein) level	14	11	$28.50	$12.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$470.17	$123.22
83690 Lipase (fat enzyme) level	12	11	$15.50	$6.37
80053 Blood test, comprehensive group of blood chemicals	11	11	$22.25	$9.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	33	$134.00	$46.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	34	$308.57	$107.88
99213 Established patient office or other outpatient visit, typically 15 minutes	32	28	$217.63	$77.75
36415 Insertion of needle into vein for collection of blood sample	30	24	$10.92	$7.29
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	20	16	$14.50	$6.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,975	18	$1.25	$0.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	161	151	$302.97	$107.21
99213 Established patient office or other outpatient visit, typically 15 minutes	112	100	$212.46	$76.36
36415 Insertion of needle into vein for collection of blood sample	69	60	$7.25	$2.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	35	$133.00	$48.19
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	34	29	$14.50	$6.40
84466 Transferrin (iron binding protein) level	29	23	$28.50	$12.62
83540 Iron level	29	23	$14.50	$6.40
82728 Ferritin (blood protein) level	27	22	$30.50	$13.48
74177 Ct scan of abdomen and pelvis with contrast	20	19	$921.66	$274.77
82784 Gammaglobulin (immune system protein) measurement	18	18	$21.00	$8.80
82565 Blood creatinine level	16	14	$11.50	$4.87
74018 X-ray of abdomen, 1 view	13	12	$82.00	$25.37
80053 Blood test, comprehensive group of blood chemicals	13	13	$22.25	$10.41
87046 Stool culture, additional pathogens	11	11	$21.25	$8.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,200	12	$1.25	$0.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	250	234	$282.75	$109.12
36415 Insertion of needle into vein for collection of blood sample	91	80	$7.25	$2.87
99213 Established patient office or other outpatient visit, typically 15 minutes	91	85	$195.75	$74.91
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	45	44	$14.50	$6.21
83690 Lipase (fat enzyme) level	26	24	$15.50	$6.63
84443 Blood test, thyroid stimulating hormone (TSH)	24	24	$37.50	$16.10
82784 Gammaglobulin (immune system protein) measurement	23	23	$21.00	$9.30
87046 Stool culture, additional pathogens	22	22	$21.25	$9.44
87506 Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 6-11 targets	22	22	$552.50	$262.99
87493 Detection test for clostridium difficile	21	21	$78.50	$37.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$430.00	$124.56
74018 X-ray of abdomen, 1 view	18	17	$80.00	$25.93
80053 Blood test, comprehensive group of blood chemicals	17	17	$22.25	$10.56
82728 Ferritin (blood protein) level	17	16	$30.50	$13.63
84466 Transferrin (iron binding protein) level	16	15	$28.50	$12.09
83540 Iron level	16	15	$14.50	$6.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$120.00	$48.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$379.75	$155.05
86140 Measurement C-reactive protein for detection of infection or inflammation	12	12	$11.75	$5.18
74177 Ct scan of abdomen and pelvis with contrast	11	11	$901.00	$290.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,200	12	$1.25	$0.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	118	116	$275.92	$92.32
36415 Insertion of needle into vein for collection of blood sample	34	33	$7.25	$2.99
99213 Established patient office or other outpatient visit, typically 15 minutes	26	26	$187.00	$64.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$421.25	$135.17
99441 Telephone medical discussion with physician, 5-10 minutes	19	19	$112.75	$35.46
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	17	17	$14.50	$6.46
80053 Blood test, comprehensive group of blood chemicals	15	15	$22.25	$10.56
82784 Gammaglobulin (immune system protein) measurement	11	11	$21.00	$9.28

Medical Specialties & State Licenses

CMS Verified: 2026-04-22

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License WA AP60969818

(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.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License WA RN60361509

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2149186 (WA)

Hospital & Practice Group Affiliations

Optum Care Washington Pllc

3927 Rucker Ave, Everett, WA 982014833

Phone: 4253393930

Secondary Practice Locations

4011 172nd St Ne

Arlington, WA 98223

Phone: 4252590966

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

25 Associated Practitioners

Mily Shakya , FNP

Nurse Practitioner - Primary Care

NPI 1063384675

Family Nurse Practitioner

Dr. Nicole Cheng , DNP

Nurse Practitioner - Adult Health

NPI 1063863330

Doctor of Nursing Practice

Dr. Carlos Moscoso , MD, PhD

Internal Medicine - Gastroenterology

NPI 1083148969

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Lonny Hecker , MD

Internal Medicine - Gastroenterology

NPI 1215995618

Doctor of Medicine (M.D.)

Dr. Robert Palmer , DO

Internal Medicine - Gastroenterology

NPI 1306807128

Doctor of Osteopathic Medicine (D.O.)

Dr. Steven Shaw , MD

Internal Medicine - Gastroenterology

NPI 1336110964

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

📍

Updated Business Mailing Address April 22, 2026

Registered at 7600 EVERGREEN WAY, EVERETT, WA 982036421 (Tel: 2068605414)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2026

Nurse Practitioner (License #RN60361509 in WA)

👤

Provider Name / Credentials Updated July 14, 2022

Recorded as MARY OESTREICH, ARNP

📍

Updated Practice Location August 20, 2020

Registered at 3927 RUCKER AVE, EVERETT, WA 982014833 (Tel: 4253395421)

📍

Updated Business Mailing Address January 27, 2020

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 4253395421)

✅

NPI Profile Active July 15, 2019

NPI status registered as active in NPPES database

📍

Updated Practice Location July 15, 2019

Registered at 19230 FOREST PARK DR NE, G224, LAKE FOREST PARK, WA 98155 (Tel: 4253088254)

📍

Updated Business Mailing Address July 15, 2019

Registered at 19230 FOREST PARK DR NE APT G224, LAKE FOREST PARK, WA 981552467 (Tel: 4253088254)

👤

Provider Name / Credentials Updated July 15, 2019

Recorded as MARY ANDERSON

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 15, 2019

Nurse Practitioner (License #AP60969818 in WA)

🟢

Initial NPI Registration & Enumeration July 15, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1073165593

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 15, 2019

Last Update: April 22, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

7600 Evergreen Way

Everett, WA 982036421

Phone: 2068605414

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.