MICHAEL SHANE SIEM PA-C
NPI 1245483569
Physician Assistant in Bellevue, WA

Active since October 30, 2008PECOS Enrolled
1035 116TH AVE NE, BELLEVUE, WA 98004(425) 688-5573(425) 688-5464 Get Directions Write a Review

NPPES record last updated: December 10, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 10, 2020, Jan 28, 2019, Sep 15, 2017 (3 updates tracked since 2017).

About Michael Shane Siem Pa-c NPPES

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

MICHAEL SHANE SIEM PA-C (NPI 1245483569) is an individual physician assistant in Bellevue, Washington, licensed in Washington (PA60056591) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245483569
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMICHAEL SHANE SIEMCredential: PA-C
Location Address1035 116TH AVE NEBellevue, WA 98004-4604
Mailing Address19020 33rd Ave W Ste 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1374
Fax(425) 688-5464
Sole ProprietorNo
Enumeration DateOctober 30, 2008
Last NPPES UpdateDecember 10, 20203 updates tracked since enumeration
NPPES CertifiedDecember 10, 2020
NPI 1245483569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · PA60056591
Definition
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.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License PA60056591 (WA)
1035 116TH AVE NE, Bellevue, WA 98004

Other Identifiers 5

Medicaid2011887WA
Other0377413WA · L&i-radia King County
Other0377427WA · L&i-swedish Radia Edmonds
Other0377409WA · L&i-radia Rest Of Wa
Other0377418WA · L&i-evergreen Radia

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 (PECOS)

Michael Shane Siem Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98004 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections
Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…
100%22 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Physical Therapist
1035 116TH AVE NE
BELLEVUE, WA 98004
Anesthesiology
1035 116TH AVE NE
BELLEVUE, WA 98004
Physician Assistant (Medical)
1035 116TH AVE NE
BELLEVUE, WA 98004
Physician Assistant
1035 116TH AVE NE
BELLEVUE, WA 98004
Nurse's Aide
1035 116TH AVE NE
BELLEVUE, WA 98004
Nurse Practitioner (Family)
1035 116TH AVE NE
BELLEVUE, WA 98004
Pharmacist (Pharmacotherapy)
1035 116TH AVE NE
BELLEVUE, WA 98004
Emergency Medicine
1035 116TH AVE NE
BELLEVUE, WA 98004

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 Michael Siem's NPI number?

The NPI number for Michael Siem is 1245483569. It was assigned to this individual provider in the NPPES registry on October 30, 2008.

Where is Michael Siem located?

Michael Siem practices at 1035 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 688-5573.

What is Michael Siem's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Michael Siem enrolled in Medicare?

Yes. Michael Siem is registered in the Medicare PECOS enrollment system.

What insurance does Michael Siem accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Michael Siem 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 Michael Siem was last updated on December 10, 2020. 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.