Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Shannan Theresa O'Brien, PA-C

Individual provider Surgical Physician Assistant · NPI 1700326824

Shannan Theresa O'Brien, PA-C is a Physician Assistant in Mount Vernon, Washington. Qualified in 2016, 10 years ago. Practices with Public Hospital Dist No 1 Skagit, a 321-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
10
Licensed in
WA
In the registry since
2017
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

2320 Freeway Dr
Mount Vernon, WA 98273-5445
Phone: (360) 814-6880
Fax: (360) 814-6953
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA60740417 (WA)

Record details

NPI number1700326824
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMarch 8, 2017
Last updated in NPPESAugust 3, 2021
Certification dateAugust 3, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Public Hospital Dist No 1 Skagit — 321 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Mount Vernon