Dr. George Ioannou, MD
- Publications
- 197
- Industry payments
- $31
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- 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. Ioannou'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. George Ioannou is a gastroenterologist in Seattle, Washington
Dr. Ioannou practices at Seattle VA Medical Center - Behavioral Health in Seattle, Washington.
Dr. Ioannou's NPI, 1568571727, was assigned on August 30, 2006. Dr. Ioannou holds Washington license 38531.
- NPI
- 1568571727NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (206) 277-3318
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. George Ioannou practices at Seattle VA Medical Center - Behavioral Health in Seattle, Washington
Dr. Ioannou'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. George Ioannou is affiliated with 1 site of care
Dr. Ioannou's primary practice is Seattle VA Medical Center - Behavioral Health in Seattle, Washington.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. George Ioannou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ioannou practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. George Ioannou is one of 434 gastroenterologists in Washington
Gastroenterology is Dr. Ioannou's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ioannou is licensed in Washington.
Specialties and state licenses
- Gastroenterology, WashingtonPrimary
Gastroenterologists near Dr. Ioannou
Counts of gastroenterologists 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. George Ioannou's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Ioannou's median patient age at 67, with 0% women.
Dr. Ioannou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. George Ioannou has 197 publications on record
Dmand AI links 197 papers to Dr. Ioannou, published from 2007 to 2025. 2024 was the busiest year, with 20. The most frequent topics are Liver Cirrhosis, Carcinoma, Hepatocellular and Liver Neoplasms. Dr. Ioannou has published most often in Clin Gastroenterol Hepatol. Dr. Ioannou's most frequent co-authors are Ann Margaret O'Hare, MD, Philip Bach Vutien, MD and Nicole Jung-Eun Kim.
Dr. Ioannou's papers by year, 2016 to 2025
Topics Dr. Ioannou writes about most
- Liver Cirrhosis
- Carcinoma, Hepatocellular
- Liver Neoplasms
- Veterans
- COVID-19
- SARS-CoV-2
- Antiviral Agents
- Non-alcoholic Fatty Liver Disease
Dr. Ioannou's most frequent co-authors
- Ann Margaret O'Hare, MD31 shared papers
- Philip Bach Vutien, MD20 shared papers
- Nicole Jung-Eun Kim18 shared papers
Recent publications by Dr. Ioannou
Hepatol Commun
Clin Gastroenterol Hepatol
Proc SIGCHI Conf Hum Factor Comput Syst
See who Dr. Ioannou researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ioannou works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. George Ioannou received $31 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Ioannou from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $31.
Companies that paid Dr. Ioannou the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. George Ioannou'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. George Ioannou
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. George Ioannou's NPI number?
Dr. George Ioannou's NPI number is 1568571727. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George Ioannou?
Dr. George Ioannou is a gastroenterologist in Seattle, Washington. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. George Ioannou practice?
Dr. Ioannou practices at 1660 South Columbian Way Mail Stop S-116-ATC, Seattle, WA 98108. Dr. Ioannou's primary practice is Seattle VA Medical Center - Behavioral Health in Seattle, Washington.
What is Dr. George Ioannou's office phone number?
The practice phone on file for Dr. Ioannou is (206) 277-3318.
What is Dr. George Ioannou's medical license number?
Dr. Ioannou holds Washington license 38531.
Has Dr. George Ioannou received payments from drug or device companies?
CMS Open Payments shows $31 in general payments to Dr. Ioannou from 1 company from 2017 to 2017. The largest total came from Philips Electronics North America Corporation.
How long has Dr. George Ioannou been practicing?
Dr. Ioannou's NPI was assigned in 2006.
Does Dr. George Ioannou do research?
Dmand AI links 197 publications to Dr. Ioannou, published from 2007 to 2025.
Who does Dr. George Ioannou publish with?
Dr. Ioannou's most frequent co-authors are Ann Margaret O'Hare, MD (31 shared papers), Philip Bach Vutien, MD (20 shared papers) and Nicole Jung-Eun Kim (18 shared papers).
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