DR. STEPHEN KILLEFER ALLISON M.D.
NPI 1508058280
Radiology - Diagnostic Radiology in Seattle, WA

Active since August 15, 2007PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
1959 NE PACIFIC ST, SEATTLE, WA 98195(206) 543-3320 Get Directions Write a Review

NPPES record last updated: July 25, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen Killefer Allison M.d. NPPES

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

DR. STEPHEN KILLEFER ALLISON M.D. (NPI 1508058280) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (60270109) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of University Of Southern California Keck School Of Medicine (2007).

NPPES Registry Identity

NPI1508058280
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. STEPHEN KILLEFER ALLISONCredential: M.D.
Location Address1959 NE PACIFIC STSeattle, WA 98195-0001
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2007
Enumeration DateAugust 15, 2007
Last NPPES UpdateJuly 25, 2013
NPI 1508058280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in WA · 60270109 Licensed in CA · A106737
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1959 NE PACIFIC ST, Seattle, WA 98195

Other Identifiers 1

Medicaid1508058280WA

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 and accepts Medicare assignment

Dr. Stephen Killefer Allison 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 ID3375683972
PECOS Enrollment IDI20130904000440
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.

Hospital Affiliations CMS Care Compare 5

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Confluence Health Hospital

Acute Care Hospitals · Wenatchee, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500016
Location1201 S Miller StreetWenatchee, WA 98807 · Chelan County
Emergency services Birthing friendly

Providence St Peter Hospital

Acute Care Hospitals · Olympia, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500024
Location413 Lilly Road NEOlympia, WA 98506 · Thurston County
Emergency services Birthing friendly

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500050
Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County
Emergency services Birthing friendly

Legacy Salmon Creek Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500150
Location2211 NE 139th StreetVancouver, WA 98686 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98195 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.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1959 NE PACIFIC ST, 3RD FLOOR SW 350
SEATTLE, WA 98195
Occupational Therapist
1959 NE PACIFIC ST, MAILBOX 356490
SEATTLE, WA 98195
Ophthalmology
1959 NE PACIFIC ST, BOX 365485
SEATTLE, WA 98195
Anesthesiology
1959 NE PACIFIC ST
SEATTLE, WA 98195
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1959 NE PACIFIC ST, BOX 356015
SEATTLE, WA 98195
Pathology (Anatomic Pathology & Clinical Pathology)
1959 NE PACIFIC ST, BOX 356100
SEATTLE, WA 98195
Hospitalist
1959 NE PACIFIC ST
SEATTLE, WA 98195

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 Stephen Allison's NPI number?

The NPI number for Stephen Allison is 1508058280. It was assigned to this individual provider in the NPPES registry on August 15, 2007.

Where is Stephen Allison located?

Stephen Allison practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 543-3320.

What is Stephen Allison's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Stephen Allison enrolled in Medicare?

Yes. Stephen Allison 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.

What insurance does Stephen Allison accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Stephen Allison 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.

Is Stephen Allison affiliated with any hospitals?

According to CMS data, Stephen Allison is affiliated with University Of Washington Medical Ctr, Confluence Health Hospital, Providence St Peter Hospital, Peacehealth Southwest Medical Center and Legacy Salmon Creek Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Allison was last updated on July 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.