William Marshall
Physician Assistant • Everett, WA
Professional Overview & Biography Verified Profile Summary
William Marshall is a certified Physician Assistant practicing in Everett, WA. With approximately 2 years of clinical experience since completing medical education in 2024, William Marshall delivers high-quality medical care to the local community at 3927 RUCKER AVE.
William Marshall is affiliated with Optum Care Washington Pllc and accepts Medicare assignment.
Frequently performed procedures and clinical services include aspiration and/or injection of fluid from large joint, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
3927 Rucker Ave
Everett, WA 982014833
Medicare Profile & Education
Other
2024
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Everett, WA
Practicing in Everett, WA (3774 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
20610
Aspiration and/or injection of fluid from large joint
|
17 | 13 | $201.88 | $63.28 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
14 | 12 | $259.50 | $77.19 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
11 | 11 | $321.25 | $84.64 |
Medical Specialties & State Licenses
CMS Verified: 2026-05-02NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Hospital & Practice Group Affiliations
Optum Care Washington Pllc
3927 Rucker Ave, Everett, WA 982014833
Phone: 4252590966
Optum Care Washington Pllc
3901 Hoyt Ave, Everett, WA 982014918
Phone: 4253395442
Optum Care Washington Pllc
1330 Rockefeller Ave, Everett, WA 982011684
Phone: 4252590966
Optum Care Washington Pllc
1321 Colby Ave, Everett, WA 982011665
Phone: 4252612000
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Nurse Practitioner
Doctor of Nursing Practice
Surgery - Surgical Oncology
Doctor of Medicine (M.D.)
Nurse Practitioner
Advanced Registered Nurse Practitioner
Otolaryngology
Doctor of Osteopathic Medicine (D.O.)
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 3927 RUCKER AVE, EVERETT, WA 982014833 (Tel: 2068605414)
Registered at 7600 EVERGREEN WAY, EVERETT, WA 982036421 (Tel: 2068605414)
Physician Assistant (License #PA61605637 in WA)
NPI status registered as active in NPPES database
Registered at 8833 NE 178TH ST, BOTHELL, WA 980113671 (Tel: 9105780165)
Registered at 8833 NE 178TH ST, BOTHELL, WA 980113671 (Tel: 9105780165)
Recorded as WILLIAM MARSHALL
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
7600 Evergreen Way
Everett, WA 982036421
Phone: 2068605414
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.