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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID A. SIKER M.D.
NPI 1427031467
Specialist in Portland, OR

Active since November 23, 2005PECOS EnrolledAccepts Medicare Assignment
86.22/100
CMS Quality Rating
1800 NE 2ND AVE, PORTLAND, OR 97212(503) 614-0602(503) 617-4549 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. David A. Siker M.d. NPPES

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

DR. DAVID A. SIKER M.D. (NPI 1427031467) is an individual specialist in Portland, Oregon, licensed in Oregon (MD 22182) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of University Of Florida College Of Medicine (1992).

NPPES Registry Identity

NPI1427031467
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. DAVID A. SIKERCredential: M.D.
Location Address1800 NE 2ND AVEPortland, OR 97212-3932
Mailing Address1800 Ne 2nd AvePortland, OR 97212-3932 · (503) 614-0602 · Fax (503) 617-4549
Phone(503) 614-0602
Fax(503) 617-4549
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1992
Enumeration DateNovember 23, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1427031467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in OR · MD 22182
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1800 NE 2ND AVE, Portland, OR 97212
Open in Google Maps ↗

Other Identifiers 1

Medicaid277844OR

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

Dr. David A. Siker M.d. 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 ID6204883218
PECOS Enrollment IDI20050707001070
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 11

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.

Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
700 services68 patients
Mri scan of pelvis before and after contrast 72197
An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.
40 services39 patients
Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224
This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.
24 services22 patients
Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 36226
This procedure involves inserting a thin tube into a brain artery. It aids in diagnosing or treating brain conditions. A radiologist reviews the process to ensure accuracy and safety. It's a critical step in managing brain health effectively.
22 services20 patients
Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 36227
This procedure involves placing a small tube into an artery in your neck. This is done to diagnose or treat certain conditions. A radiologist, a doctor who specializes in medical imaging, will review the procedure to ensure everything is done correctly.
15 services14 patients
Occlusion of central nervous system or spinal cord artery 61624
This procedure involves blocking a central nervous system or spinal cord artery to prevent blood flow. It's typically done to treat conditions like aneurysms or vascular malformations. It can help prevent strokes, bleeding, or other serious issues.
15 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380007
Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County
Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380017
Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County
Emergency services Birthing friendly

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.

86.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality95.64
Promoting Interoperability99
Improvement Activities40
Cost49.32

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

OHSU OUTPATIENT CLINICAL SERVICES LLC
Physiological Laboratory
1800 NE 2ND AVE
PORTLAND, OR 97212
Multnomah County (503) 346-4949
SPECIALTY NEURO, P.C.
Specialist
1800 NE 2ND AVE
PORTLAND, OR 97212
Multnomah County (503) 579-5000

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 David Siker's NPI number?

The NPI number for David Siker is 1427031467. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Where is David Siker located?

David Siker practices at 1800 NE 2nd Ave, Portland, OR 97212. The listed phone number is (503) 614-0602.

What is David Siker's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is David Siker enrolled in Medicare?

Yes. David Siker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is David Siker affiliated with any hospitals?

According to CMS data, David Siker is affiliated with Legacy Emanuel Medical Center and Legacy Good Samaritan Medical Center.

When was this NPI record last updated?

The NPPES record for David Siker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.