Chris Geannopoulos, MD
Cardiovascular Disease Physician · Naperville, IL
Chris Geannopoulos, MD is a cardiovascular disease physician with a practice address in Naperville, Illinois, and NPI 1265407076, issued on Feb 23, 2006. Check the license (Illinois 036077483, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Chris Geannopoulos
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 036077483 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Spalding Dr Ste 400, Naperville, IL 60540
- Phone
- (630) 718-2660
- Enumerated
- Feb 23, 2006
- Record last updated
- Aug 8, 2023
- Fax
- (630) 718-2667
- Medicaid ID
- 036077483 IL
- Medicare enrollment
- Enrolled (PECOS I20040123000041); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 100 Spalding Dr Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mihir Chauhan, PA-CPhysician Assistant1366317950
- Mary Digate, APNNurse Practitioner1356352512
- Wesley Durham, FNP-BCNurse Practitioner1891685848
- Shivtej Kaushal, M.D.Cardiovascular Disease Physician1265798847
- David Kim, M.D.Cardiovascular Disease Physician1891964441
- Amrinder Mangat, APNNurse Practitioner1285214999
Verify Chris Geannopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036077483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,714 Medicare Part D claims for 831 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Metoprolol Succinate811 claims
- Atorvastatin Calcium804 claims
- Lisinopril402 claims
- Eliquis332 claims
- Amlodipine Besylate322 claims
- Losartan Potassium303 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $498.56
26 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
4 hospitals and group practices
- Edward HospitalNaperville, IL · Acute Care Hospitals3 of 5 stars
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospitals3 of 5 stars
- Dupage Medical Group LtdNaperville, IL
- Naperville Psychiatric VenturesNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cardiovascular Disease Physician providers in Illinois
There are 1,073 cardiovascular disease physician records in Illinois.
Other cardiovascular disease physician records in Illinois
- Nicolaos Abariotis, MDChicago, IL1417996257
- Tahir Abbasi, M.D.Hazel Crest, IL1255495701
- Syed Abdul-Aziz, MDBelleville, IL1114906005
- Pierrot Abi Mansour, MDOak Lawn, IL1285627166
- Ashraf Abourahma, M.D.Oak Lawn, IL1972561975
- Bruce Abramowitz, M.D.,F.A.C.C.Oak Lawn, IL1013918473
- Joseph AdamsPark Ridge, IL1073179594
- Theodore Addai, M.D.Decatur, IL1912985185
- Karima AddetiaChicago, IL1740612993
- Keenan Adib, MDHinsdale, IL1790098804
Common questions
What is Chris Geannopoulos, MD's NPI number?
Chris Geannopoulos, MD's National Provider Identifier (NPI) is 1265407076, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chris Geannopoulos, MD located?
The NPPES record lists a practice address at 100 Spalding Dr Ste 400, Naperville, IL, 60540. Phone: (630) 718-2660. Providers update this record themselves, so call before visiting.
How can I verify Chris Geannopoulos, MD's license?
NPPES lists Illinois license number 036077483, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chris Geannopoulos, MD prescribe under Medicare Part D?
In 2024, Chris Geannopoulos, MD had 5,714 Medicare Part D claims for 831 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.