George A. Cortas, MD
Gastroenterology Physician · Eau Claire, WI
George A. Cortas, MD is a gastroenterology physician with a practice address in Eau Claire, Wisconsin, and NPI 1194802074, issued on Oct 31, 2006. Check the license (Wisconsin 77338, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- George A. Cortas
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 77338 WI
19129 WV
Self-reported in NPPES; status is on the state search - Practice location
- 2116 Craig RD, Eau Claire, WI 54701
- Phone
- (715) 858-4500
- Enumerated
- Oct 31, 2006
- Record last updated
- Oct 24, 2023
- Fax
- (715) 858-4501
- Medicaid IDs
- 0088462000 WV
64942030 KY - Medicare enrollment
- Enrolled (PECOS I20250116000406); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 2116 Craig RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Aguirre, PAPhysician Assistant1982307054
- Aruna Ahluwalia, MDAnesthesiology Physician1205852506
- Sharat Ahluwalia, MDNeurology Physician1629179221
- Omprakash Ahuja, MDPulmonary Disease Physician1861563058
- Brad Allar, PAPhysician Assistant1598795650
- Brent Amble, A.T.C., L.A.T.Athletic Trainer1235122771
Verify George A. Cortas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
25 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Piedmont Specialty Hospital Billing LLCMacon, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George A. Cortas among 340 gastroenterology physician records in Wisconsin
George A. Cortas, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1991 · median 2003 among the 239 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Eau Claire → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Camellia Dalai, MDEau Claire, WI 547011801384250
- Myles Keroack, MDEau Claire, WI 547011013998582
- Charles Nordstrom, MDEau Claire, WI 547011528031069
- Pedro Palacios ArguetaEau Claire, WI 547011255827903
- Thomas Peller, M.D.Eau Claire, WI 547011497715726
- Jon Potter, D.O.Eau Claire, WI 547011093785180
- Paul Ruh, MDEau Claire, WI 547011578670832
- Wajeeh Salah, MDEau Claire, WI 547011144432444
Common questions
What is George A. Cortas, MD's NPI number?
George A. Cortas, MD's National Provider Identifier (NPI) is 1194802074, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George A. Cortas, MD located?
The NPPES record lists a practice address at 2116 Craig RD, Eau Claire, WI, 54701. Phone: (715) 858-4500. Providers update this record themselves, so call before visiting.
How can I verify George A. Cortas, MD's license?
NPPES lists Wisconsin license number 77338, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does George A. Cortas, MD prescribe under Medicare Part D?
In 2024, George A. Cortas, MD had 25 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is George A. Cortas, MD's MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.