Dr. Ioannis Giannikopoulos, MD
- Part D claims, 2016
- 12
- Industry payments
- $58
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90505
- Practice phone
- Call (909) 919-9296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Giannikopoulos' 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. Ioannis Giannikopoulos is a gastroenterologist in Torrance, California
Dr. Giannikopoulos practices in Torrance, California.
Dr. Giannikopoulos' NPI, 1275643413, was assigned on August 30, 2006. Dr. Giannikopoulos graduated from University of Athens in 1967. Dr. Giannikopoulos' California license number on file is C41227.
- NPI
- 1275643413NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (909) 919-9296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1967
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Ioannis Giannikopoulos' practice address is in Torrance, California
Dr. Giannikopoulos' practice address in the NPI Registry is 3330 Lomita Blvd, Torrance, CA 90505, in Los Angeles County. The practice phone is (909) 919-9296.
- NPI Registry address3330 Lomita Blvd, Torrance, CA 90505 · Los Angeles CountyPhone(909) 919-9296
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ioannis Giannikopoulos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giannikopoulos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Giannikopoulos' practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ioannis Giannikopoulos is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Giannikopoulos' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Giannikopoulos is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Giannikopoulos' licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Illinois license
Gastroenterologists near Dr. Giannikopoulos
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. Ioannis Giannikopoulos' patients have a median age of 21
Across all payers, Dmand AI patient panel data puts Dr. Giannikopoulos' median patient age at 21, with 50% women.
Dr. Giannikopoulos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 21
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Ioannis Giannikopoulos wrote 12 Medicare Part D claims in 2016
In 2016, Dr. Giannikopoulos wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $163 in total drug cost.
Dr. Giannikopoulos' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ioannis Giannikopoulos received $58 in industry payments from 2018 to 2021
CMS Open Payments shows 3 general payments to Dr. Giannikopoulos from 2 drug and device companies from 2018 to 2021. Food and beverage make up the largest share, 100% of the total. Amarin Pharma Inc. paid the most, $41.
General payments to Dr. Giannikopoulos by program year, 2018 to 2021
Companies that paid Dr. Giannikopoulos the most, 2018 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ioannis Giannikopoulos has 1 award and honors on record
Dmand AI lists 1 award for Dr. Giannikopoulos.
Awards and honors for Dr. Giannikopoulos
- Undated
- ACG Fellow
Source: Dmand AI Professional Profile Data
Dr. Ioannis Giannikopoulos graduated from University of Athens
Dr. Giannikopoulos graduated from University of Athens in 1967. Dr. Giannikopoulos is a member of ACG.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Ioannis Giannikopoulos'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ioannis Giannikopoulos
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. Ioannis Giannikopoulos' NPI number?
Dr. Ioannis Giannikopoulos' NPI number is 1275643413. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ioannis Giannikopoulos?
Dr. Ioannis Giannikopoulos is a gastroenterologist in Torrance, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ioannis Giannikopoulos practice?
Dr. Giannikopoulos practices at 3330 Lomita Blvd, Torrance, CA 90505.
What is Dr. Ioannis Giannikopoulos' office phone number?
The practice phone on file for Dr. Giannikopoulos is (909) 919-9296.
What is Dr. Ioannis Giannikopoulos' medical license number?
Dr. Giannikopoulos' California license number on file is C41227, one of the licenses on file in 2 states.
Which states has Dr. Ioannis Giannikopoulos been licensed in?
Dmand AI has state licenses on file for Dr. Giannikopoulos in California (1984 to 2025) and Illinois (1978 to 1993).
Is Dr. Ioannis Giannikopoulos board certified?
Yes. Dr. Giannikopoulos is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. Ioannis Giannikopoulos go to medical school?
Dr. Giannikopoulos graduated from University of Athens in 1967.
What drugs does Dr. Ioannis Giannikopoulos prescribe most?
In 2016 Medicare Part D data, Dr. Giannikopoulos' most prescribed drugs by claims were Levothyroxine Sodium.
Has Dr. Ioannis Giannikopoulos received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to Dr. Giannikopoulos from 2 companies from 2018 to 2021. The largest total came from Amarin Pharma Inc.
How long has Dr. Ioannis Giannikopoulos been practicing?
Dr. Giannikopoulos graduated from medical school in 1967, 59 years ago.
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