Dr. Stephen Killefer Allison, MD
- Medicare services, 2016
- 72
- Publications
- 6
- MIPS score, 2024
- 94
- Hospital affiliations
- 6
- Industry payments
- $351
- Practice address
- 1660 South Columbian Way Mail Stop S-116-ATC, Seattle, WA 98108
- Practice phone
- Call (206) 277-3318
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Seattle VA Medical Center - Behavioral Health
Opioid Treatment Program (Methadone Clinic) · Seattle, Washington
Find Dr. Allison's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen Killefer Allison is a diagnostic radiologist in Seattle, Washington
Dr. Allison practices at Seattle VA Medical Center - Behavioral Health in Seattle, Washington.
Dr. Allison's NPI, 1508058280, was assigned on August 15, 2007. Dr. Allison graduated from Keck School of Medicine of USC in 2007. Dr. Allison holds Washington license 60270109.
- NPI
- 1508058280NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375683972
- NPI enumeration date
- August 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 277-3318
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Killefer Allison practices at Seattle VA Medical Center - Behavioral Health in Seattle, Washington
Dr. Allison's primary practice is Seattle VA Medical Center - Behavioral Health, at 1660 South Columbian Way Mail Stop S-116-ATC, Seattle, WA 98108. The practice phone is (206) 277-3318.
- Seattle VA Medical Center - Behavioral Health1660 South Columbian Way Mail Stop S-116-ATC, Seattle, WA 98108Phone(206) 277-3318
Source: Dmand AI Affiliation Data
Dr. Stephen Killefer Allison is affiliated with 7 sites of care and 5 medical groups
Dr. Allison's primary practice is Seattle VA Medical Center - Behavioral Health in Seattle, Washington. Dr. Allison is also affiliated with UW Medical Center - Montlake. The medical group on file is Confluence Health. Dmand AI also links Dr. Allison to 5 more hospitals and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Killefer Allison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allison practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Seattle VA Medical Center - Behavioral Health | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Killefer Allison is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Dr. Allison's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Allison is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Allison's licenses on file in 2 states: Washington and California.
Specialties and state licenses
- Diagnostic radiology, WashingtonPrimary
- California license
Diagnostic radiologists near Dr. Allison
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen Killefer Allison billed Medicare for 72 services in 2016
CMS data shows 72 Medicare services from Dr. Allison across 4 procedure codes in 2016. Medicare paid $3,571 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Allison's Medicare services by type, 2016
- Imaging48
- Surgery24
Dr. Allison compared with the Washington median for diagnostic radiologists, 2016
- Dr. Allison
- Washington median
- Medicare services
- 72vs 2,43397% below
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Dr. Allison's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Allison and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Killefer Allison's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Allison's median patient age at 70, with 55% women.
Dr. Allison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Stephen Killefer Allison scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Allison for performance year 2024, reported through an alternative payment model (APM). Dr. Allison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Allison's MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen Killefer Allison has 6 publications on record
Dmand AI links 6 papers to Dr. Allison, published from 2017 to 2020. 2017 was the busiest year, with 2. Dr. Allison has published most often in J Hepatol. Dr. Allison's most frequent co-authors are Matthew Jay Kogut, MD, George Ioannou, MD and Shahram Najar Aarabi, MD.
Dr. Allison's most frequent co-authors
- Matthew Jay Kogut, MD3 shared papers
- George Ioannou, MD2 shared papers
- Shahram Najar Aarabi, MD1 shared paper
Recent publications by Dr. Allison
Am J Respir Crit Care Med
See who Dr. Allison researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Allison works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen Killefer Allison received $351 in industry payments from 2016 to 2020
CMS Open Payments shows 7 general payments to Dr. Allison from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Volcano Corporation paid the most, $112.
General payments to Dr. Allison by program year, 2016 to 2020
Companies that paid Dr. Allison the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Killefer Allison graduated from Keck School of Medicine of USC
Dr. Allison graduated from Keck School of Medicine of USC in 2007. Dr. Allison is a member of SIR.
- Medical school
- Board certified in interventional radiology and diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Stephen Killefer Allison accepts plans from 3 insurance carriers
Dr. Allison is in network with 3 carriers, including Aetna, AK State Medicaid and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- AK State Medicaid
- CMS Medicare
Plan types Dr. Allison accepts, by number of carriers
- Medicare2
- EPO1
- HMO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Killefer Allison's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephen Killefer Allison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephen Killefer Allison's NPI number?
Dr. Stephen Killefer Allison's NPI number is 1508058280. It was assigned on August 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Killefer Allison?
Dr. Stephen Killefer Allison is a diagnostic radiologist in Seattle, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Stephen Killefer Allison practice?
Dr. Allison practices at 1660 South Columbian Way Mail Stop S-116-ATC, Seattle, WA 98108. Dr. Allison's primary practice is Seattle VA Medical Center - Behavioral Health in Seattle, Washington. Dmand AI also links Dr. Allison to 5 hospitals and 4 medical groups.
What is Dr. Stephen Killefer Allison's office phone number?
The practice phone on file for Dr. Allison is (206) 277-3318.
What is Dr. Stephen Killefer Allison's medical license number?
Dr. Allison holds Washington license 60270109, one of the licenses on file in 2 states.
Which states has Dr. Stephen Killefer Allison been licensed in?
Dmand AI has state licenses on file for Dr. Allison in Washington (2012 to 2026) and California (since 2009).
Which hospitals is Dr. Stephen Killefer Allison affiliated with?
Dr. Allison is affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Allison to 5 more hospitals.
What medical group is Dr. Stephen Killefer Allison part of?
Dr. Allison is linked to Confluence Health. Dmand AI links Dr. Allison to 4 more medical groups.
Does Dr. Stephen Killefer Allison accept Medicare?
Yes. CMS data shows Dr. Allison billed Medicare for 72 services in 2016, and Dr. Allison accepts Medicare assignment.
What is Dr. Stephen Killefer Allison's MIPS score?
Dr. Allison's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
Is Dr. Stephen Killefer Allison board certified?
Yes. Dr. Allison is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology.
What services does Dr. Stephen Killefer Allison bill to Medicare?
In 2016, Dr. Allison's most billed Medicare services were ultrasound (76942), radiation oncology (77012) and surgery: lungs and airway (32405).
Where did Dr. Stephen Killefer Allison go to medical school?
Dr. Allison graduated from Keck School of Medicine of USC in 2007.
Has Dr. Stephen Killefer Allison received payments from drug or device companies?
CMS Open Payments shows $351 in general payments to Dr. Allison from 5 companies from 2016 to 2020. The largest total came from Volcano Corporation.
How long has Dr. Stephen Killefer Allison been practicing?
Dr. Allison graduated from medical school in 2007, 19 years ago.
Does Dr. Stephen Killefer Allison do research?
Dmand AI links 6 publications to Dr. Allison, published from 2017 to 2020.
Who does Dr. Stephen Killefer Allison publish with?
Dr. Allison's most frequent co-authors are Matthew Jay Kogut, MD (3 shared papers), George Ioannou, MD (2 shared papers) and Shahram Najar Aarabi, MD (1 shared paper).
What insurance does Dr. Stephen Killefer Allison accept?
Dr. Allison is in network with 3 carriers, including Aetna, AK State Medicaid and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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