Gastroenterology
Cell MembraneElectrophysiologyEpithelial Cells
Dr. Constantine Gregory Marousis, MD
NPI1437142668
- Medicare services, 2019
- 423
- Part D claims, 2016
- 89
- Publications
- 6
- Industry payments
- $27
- Affiliated sites
- 1
- Practice address
- 1950 Arlington St, Sarasota, FL 34239-3507
- Practice phone
- Call (941) 366-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Constantine Marousis MD
Physician office · Sarasota, Florida
Find Dr. Marousis' professional email, personal email and mobile number
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Dr. Constantine Gregory Marousis is a gastroenterologist in Sarasota, Florida
Dr. Marousis practices at Constantine Marousis MD in Sarasota, Florida.
Dr. Marousis' NPI, 1437142668, was assigned on August 23, 2005. Dr. Marousis graduated from University of North Carolina School of Medicine in 1991. Dr. Marousis holds Florida license ME73113.
NPI and contact details
- NPI
- 1437142668NPI Registry (opens in a new tab)
- NPI enumeration date
- August 23, 2005
- NPI status
- Active
- Practice phone
- (941) 366-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Constantine Gregory Marousis practices at Constantine Marousis MD in Sarasota, Florida
Dr. Marousis' primary practice is Constantine Marousis MD, at 1950 Arlington St, Sarasota, FL 34239-3507. The practice phone is (941) 366-1400.
- Constantine Marousis MD1950 Arlington St, Sarasota, FL 34239-3507Phone(941) 366-1400
Source: Dmand AI Affiliation Data
Dr. Constantine Gregory Marousis is affiliated with 1 site of care
Dr. Marousis' primary practice is Constantine Marousis MD in Sarasota, Florida.
Constantine Marousis MDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Constantine Gregory Marousis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marousis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Constantine Marousis MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Constantine Gregory Marousis is one of 1,364 gastroenterologists in Florida
Gastroenterology is Dr. Marousis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Marousis' licenses on file in 5 states: Florida, South Dakota, Hawaii, North Carolina and Georgia.
Specialties and state licenses
- Gastroenterology, FloridaPrimary
- South Dakota license
- Hawaii license
- North Carolina license
- Georgia license
Gastroenterologists near Dr. Marousis
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. Constantine Gregory Marousis billed Medicare for 423 services in 2019
CMS data shows 423 Medicare services from Dr. Marousis across 10 procedure codes in 2019. Medicare paid $34,117 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2019423
Paid by Medicare$34,117
Procedure codes10
Dr. Marousis' Medicare services by type, 2017 to 2019
- 2017
- 2019
- Office and hospital visits
- 2017: 1752019: 30775%
- Surgery
- 2017: 622019: 11687%
Dr. Marousis compared with the Florida median for gastroenterologists, 2019
- Dr. Marousis
- Florida median
- Medicare services
- 423vs 58227% below
- Part D claims
- 89vs 50282% below
Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.
Dr. Marousis' most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Marousis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marousis and other gastroenterologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Constantine Gregory Marousis' patients have a median age of 89
Across all payers, Dmand AI patient panel data puts Dr. Marousis' median patient age at 89, with 0% women.
Dr. Marousis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 89
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Constantine Gregory Marousis wrote 89 Medicare Part D claims in 2016
In 2016, Dr. Marousis wrote 89 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $3,389 in total drug cost.
Part D claims, 201689
Drugs named by CMS3
Total drug cost$3,389
Dr. Marousis' 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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Dr. Constantine Gregory Marousis has 6 publications on record
Dmand AI links 6 papers to Dr. Marousis. The most frequent topics are Hepatitis C, Liver and Epithelial Cells. Dr. Marousis has published most often in J Hepatol. Dr. Marousis' most frequent co-authors are Walid Esmail Khalbuss, MD and Radwan A. Alkiek, MD.
Papers6
Topics Dr. Marousis writes about most
- Hepatitis C
- Liver
- Epithelial Cells
- Epithelium
- Esophagus
- Hepacivirus
- Hepatitis C Antigens
- Interleukin-4
Dr. Marousis' most frequent co-authors
Recent publications by Dr. Marousis
Biological Transport, ActiveElectric ConductivityEpithelial Cells
CD8-Positive T-LymphocytesCytotoxicity, ImmunologicGenes, Viral
Hepatitis CInterleukin-4Liver
Hepatitis CHepatitis C AntibodiesHepatitis C Antigens
See who Dr. Marousis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marousis 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. Constantine Gregory Marousis received $27 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Marousis from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $27.
Companies that paid Dr. Marousis the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Constantine Gregory Marousis graduated from University of North Carolina School of Medicine
Dr. Marousis graduated from University of North Carolina School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Constantine Gregory Marousis accepts plans from 2 insurance carriers
Dr. Marousis is in network with 2 carriers, including DE State Medicaid and GA State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
- DE State Medicaid
- GA State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Constantine Gregory Marousis'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 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Constantine Gregory Marousis
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. Constantine Gregory Marousis' NPI number?
Dr. Constantine Gregory Marousis' NPI number is 1437142668. It was assigned on August 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Constantine Gregory Marousis?
Dr. Constantine Gregory Marousis is a gastroenterologist in Sarasota, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Constantine Gregory Marousis practice?
Dr. Marousis practices at 1950 Arlington St, Sarasota, FL 34239-3507. Dr. Marousis' primary practice is Constantine Marousis MD in Sarasota, Florida.
What is Dr. Constantine Gregory Marousis' office phone number?
The practice phone on file for Dr. Marousis is (941) 366-1400.
What is Dr. Constantine Gregory Marousis' medical license number?
Dr. Marousis holds Florida license ME73113, one of the licenses on file in 5 states.
Which states has Dr. Constantine Gregory Marousis been licensed in?
Dmand AI has state licenses on file for Dr. Marousis in Florida (1997 to 2026), South Dakota (since 2017), Hawaii (2019 to 2020), North Carolina (2016 to 2020) and Georgia (2016 to 2019).
Does Dr. Constantine Gregory Marousis accept Medicare?
Yes. CMS data shows Dr. Marousis billed Medicare for 423 services in 2019.
What services does Dr. Constantine Gregory Marousis bill to Medicare?
In 2019, Dr. Marousis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99233).
Where did Dr. Constantine Gregory Marousis go to medical school?
Dr. Marousis graduated from University of North Carolina School of Medicine in 1991.
What drugs does Dr. Constantine Gregory Marousis prescribe most?
In 2016 Medicare Part D data, Dr. Marousis' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Balsalazide Disodium.
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Has Dr. Constantine Gregory Marousis received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Marousis from 1 company from 2017 to 2017. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Constantine Gregory Marousis been practicing?
Dr. Marousis graduated from medical school in 1991, 35 years ago.
Does Dr. Constantine Gregory Marousis do research?
Dmand AI links 6 publications to Dr. Marousis.
Who does Dr. Constantine Gregory Marousis publish with?
Dr. Marousis' most frequent co-authors are Walid Esmail Khalbuss, MD (2 shared papers) and Radwan A. Alkiek, MD (1 shared paper).
What insurance does Dr. Constantine Gregory Marousis accept?
Dr. Marousis is in network with 2 carriers, including DE State Medicaid and GA State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.
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