Guy E. Johnson
- Medicare services, 2024
- 595
- Medicare patients, 2024
- 103
- Publications
- 22
- Clinical trials
- 3
- MIPS score, 2024
- 94
- Practice address
- 1959 NE Pacific St Box 356151, Seattle, WA 98195
- Practice phone
- Call (206) 598-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Guy Johnson'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.
Guy E. Johnson is a diagnostic radiologist in Seattle, Washington
Guy Johnson practices at UW Medical Center - Montlake in Seattle, Washington, part of University of Washington.
Guy Johnson's NPI, 1033300934, was assigned on August 6, 2007. Guy Johnson holds Washington license ML60026993.
- NPI
- 1033300934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234377979
- NPI enumeration date
- August 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (206) 598-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Guy E. Johnson practices at UW Medical Center - Montlake in Seattle, Washington
Guy Johnson's primary practice is UW Medical Center - Montlake, at 1959 NE Pacific St Box 356151, Seattle, WA 98195 in King County. The practice phone is (206) 598-3300.
- UW Medical Center - Montlake1959 NE Pacific St Box 356151, Seattle, WA 98195 · King CountyPhone(206) 598-3300
Source: Dmand AI Affiliation Data
Guy E. Johnson is affiliated with 5 sites of care and 2 medical groups
Guy Johnson's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Guy Johnson is also affiliated with Harborview Medical Center. The medical group on file is UW Physicians. Dmand AI also links Guy Johnson to 2 more hospitals, 1 hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Guy E. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Guy Johnson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UW Medical Center - Montlake | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Guy E. Johnson is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Guy Johnson's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Guy Johnson is licensed in Washington.
Specialties and state licenses
- Diagnostic radiology, WashingtonPrimary
Diagnostic radiologists near Guy Johnson
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
Guy E. Johnson billed Medicare for 595 services in 2024
CMS data shows 595 Medicare services from Guy Johnson across 13 procedure codes in 2024, for 103 Medicare patients. Medicare paid $47,300 for them. Every service was in a facility, such as a hospital, rather than an office.
Guy Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2892024: 2983%
- Surgery
- 2023: 1762024: 1722%
- Tests and treatments
- 2023: 872024: 6723%
- Office and hospital visits
- 2023: 612024: 585%
Guy Johnson compared with the Washington median for diagnostic radiologists, 2024
- Guy Johnson
- Washington median
- Medicare services
- 595vs 2,43376% below
- Medicare patients
- 103vs 1,48493% below
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Guy Johnson's most billed Medicare procedure codes, 2024
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 Guy Johnson and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Guy E. Johnson treated 103 Medicare patients in 2024, average age 71
CMS counts 103 Medicare patients who saw Guy Johnson in 2024. The largest group is 65 to 74, with 59 patients. 67% of them have high blood pressure, and 57% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Guy Johnson's median patient age at 57, with 41% women.
Guy Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Guy Johnson's Medicare patients by sex, 2024
- Women2524%
- Men7876%
Chronic conditions among Guy Johnson's Medicare patients, 2024
- High blood pressure67%
- High cholesterol57%
- Chronic kidney disease39%
- Diabetes34%
- Ischemic heart disease29%
- Arthritis24%
- Cancer23%
- Heart failure21%
Share of Medicare patients with each condition. A patient can have several.
Guy Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Guy E. Johnson 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 Guy Johnson for performance year 2024, reported through an alternative payment model (APM). Guy Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Guy Johnson'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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Guy E. Johnson has 22 publications on record
Dmand AI links 22 papers to Guy Johnson, published from 2014 to 2024. 2017 was the busiest year, with 3. The most frequent topics are Liver Neoplasms, Carcinoma, Hepatocellular and Diagnosis, Differential. Guy Johnson has published most often in J Vasc Interv Radiol. Guy Johnson's most frequent co-authors are Christopher R. Ingraham, MD, Siddharth A. Padia, MD and Matthew Jay Kogut, MD.
Guy Johnson's papers by year, 2014 to 2024
Topics Guy Johnson writes about most
- Liver Neoplasms
- Carcinoma, Hepatocellular
- Diagnosis, Differential
- Embolization, Therapeutic
- Radiography, Interventional
Guy Johnson's most frequent co-authors
- Christopher R. Ingraham, MD6 shared papers
- Siddharth A. Padia, MD6 shared papers
- Matthew Jay Kogut, MD2 shared papers
Recent publications by Guy Johnson
J Vasc Interv Radiol
Semin Intervent Radiol
See who Guy Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Guy Johnson 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
Guy E. Johnson has worked on 3 clinical trials
Dmand AI links Guy Johnson to 3 clinical trials. Conditions studied include Carcinoma, Hepatocellular and Liver Neoplasms. Boston Scientific Corporation sponsors the most, 3.
Conditions in Guy Johnson's trials
- Carcinoma, Hepatocellular
- Liver Neoplasms
Investigators on the most trials with Guy Johnson
- James Gerald Carlisle, MD2 shared trials
- William P. Harris, MD2 shared trials
- Shannon L. Kauffman, MD2 shared trials
Recent clinical trials with Guy Johnson
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Guy E. Johnson received $204,123 in industry payments from 2016 to 2025
CMS Open Payments shows 238 general payments to Guy Johnson from 14 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 47% of the total. Boston Scientific Corporation paid the most, $157,091.
General payments to Guy Johnson by program year, 2016 to 2025
General payments to Guy Johnson by kind, 2016 to 2025
- Speaker and faculty fees$95,65447%
- Consulting fees$80,22339%
- Travel and lodging$19,74310%
- Food and beverage$8,5034%
Companies that paid Guy Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Guy E. Johnson'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Guy E. Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Guy E. Johnson's NPI number?
Guy E. Johnson's NPI number is 1033300934. It was assigned on August 6, 2007, and it is active in the NPI Registry.
What does Guy E. Johnson specialize in?
Guy E. Johnson is a diagnostic radiologist in Seattle, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Guy E. Johnson practice?
Guy Johnson practices at 1959 NE Pacific St Box 356151, Seattle, WA 98195. Guy Johnson's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Dmand AI also links Guy Johnson to 2 hospitals, 1 hospital outpatient department and 1 medical group.
What is Guy E. Johnson's office phone number?
The practice phone on file for Guy Johnson is (206) 598-3300.
What is Guy E. Johnson's medical license number?
Guy Johnson holds Washington license ML60026993.
Which hospitals is Guy E. Johnson affiliated with?
Guy Johnson practices at UW Medical Center - Montlake in Seattle, Washington. Guy Johnson is also affiliated with Harborview Medical Center. Dmand AI links Guy Johnson to 2 more hospitals.
What medical group is Guy E. Johnson part of?
Guy Johnson is linked to UW Physicians. Dmand AI links Guy Johnson to 1 more medical group.
Does Guy E. Johnson accept Medicare?
Yes. CMS data shows Guy Johnson billed Medicare for 595 services in 2024, and Guy Johnson accepts Medicare assignment.
What is Guy E. Johnson's MIPS score?
Guy Johnson's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Guy E. Johnson see?
CMS counts 103 Medicare patients who saw Guy Johnson in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Guy E. Johnson bill to Medicare?
In 2024, Guy Johnson's most billed Medicare services were diagnostic imaging (75774), surgery: heart and blood vessels (36248) and special service (99152).
Has Guy E. Johnson received payments from drug or device companies?
CMS Open Payments shows $204,123 in general payments to Guy Johnson from 14 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Guy E. Johnson been practicing?
Guy Johnson graduated from medical school in 2002, 24 years ago.
Does Guy E. Johnson do research?
Dmand AI links 22 publications to Guy Johnson, published from 2014 to 2024. Guy Johnson has worked on 3 clinical trials.
Who does Guy E. Johnson publish with?
Guy Johnson's most frequent co-authors are Christopher R. Ingraham, MD (6 shared papers), Siddharth A. Padia, MD (6 shared papers) and Matthew Jay Kogut, MD (2 shared papers).
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