SHANNAN THERESA O'BRIEN PA-C
NPI 1700326824
Physician Assistant - Surgical in Mount Vernon, WA

Q: What is Shannan O'brien's NPI number?

The NPI number for Shannan O'brien is 1700326824. It was assigned to this individual provider in the NPPES registry on March 8, 2017. The provider is also known as Shannan Theresa Roy.

Q: What is Shannan O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Shannan O'brien was last updated on August 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since March 08, 2017PECOS EnrolledAccepts Medicare Assignment

2320 FREEWAY DR, MOUNT VERNON, WA 98273(360) 814-6880(360) 814-6953 Get Directions Write a Review

NPPES record last updated: August 3, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Shannan Theresa O'brien Pa-c NPPES

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

SHANNAN THERESA O'BRIEN PA-C (NPI 1700326824) is an individual surgical provider in Mount Vernon, Washington, licensed in Washington (PA60740417) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1700326824

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameSHANNAN THERESA O'BRIENCredential: PA-C

Location Address2320 FREEWAY DRMount Vernon, WA 98273-5445

Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127

Phone(360) 814-6880

Fax(360) 814-6953

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 8, 2017

Last NPPES UpdateAugust 3, 2021

NPPES CertifiedAugust 3, 2021

✔ NPI 1700326824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in WA · PA60740417

2320 FREEWAY DR, Mount Vernon, WA 98273

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Other Names 1

Former Name (1)Shannan Theresa Roy

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Shannan Theresa O'brien Pa-c 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 ID3971880592

PECOS Enrollment IDI20170509002364

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 6

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

81 services81 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.

46 services42 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

36 services22 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

21 services21 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

17 services11 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500003

Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County

Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500007

Location1211 24th StreetAnacortes, WA 98221 · Skagit County

Emergency services Birthing friendly

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.

DR. MICHAEL ARMANDO MARCHETTI M.D.

Dermatology