Dimitrios Koudoumas, M.D., PH.D
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Great Falls, MT
Dimitrios Koudoumas, M.D., PH.D is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Great Falls, Montana, and NPI 1639456767, issued on Nov 3, 2011. Check the license (Montana 118900, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Dimitrios Koudoumas
- Credential
- M.D., PH.D
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 118900 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1101 26TH St S, Great Falls, MT 59405
- Phone
- (406) 731-8888
- Enumerated
- Nov 3, 2011
- Record last updated
- Apr 8, 2024
- Fax
- (406) 731-8876
- Medicare enrollment
- Enrolled (PECOS I20230309002725); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1101 26TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joie Abner, DOEmergency Medicine Physician1881036119
- Michael Adams, MDEmergency Medicine Physician1770576555
- Graig Aders, M.D.Psychiatry Physician1265758734
- Khansa AliStudent in an Organized Health Care Education/Training Program1497632277
- Jeffrey Allen, CRNACertified Registered Nurse Anesthetist1245256916
- Batool Alnahar, MBBSStudent in an Organized Health Care Education/Training Program1447137310
Verify Dimitrios Koudoumas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 118900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
250 Medicare Part D claims for 63 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clopidogrel72 claims
- Atorvastatin Calcium42 claims
- Rosuvastatin Calcium34 claims
- Eliquis14 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): 80.5 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).
Industry payments in 2024: $1,974.40
46 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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.
One hospital affiliation
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
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.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Montana
There are 23 thoracic surgery (cardiothoracic vascular surgery) physician records in Montana.
Other thoracic surgery (cardiothoracic vascular surgery) physician records in Montana
- Travis Abicht, MDMissoula, MT1033239835
- Hewes Agnew, MDBillings, MT1285703330
- Roberto Amado-Cattaneo, MDGreat Falls, MT1073700225
- Osama Ben Hameid, MDGreat Falls, MT1205786829
- Roch Boyer, M.D.Kalispell, MT1821100322
- Anthony Caffarelli, M.D.Missoula, MT1851587356
- Matthew Fleming, PA-CMissoula, MT1427689983
- Walter Graves, M.D.Kalispell, MT1134156276
- Constance Haan, M.D.Billings, MT1790750305
- Stephen Hiro, MDMissoula, MT1245272640
Common questions
What is Dimitrios Koudoumas, M.D., PH.D's NPI number?
Dimitrios Koudoumas, M.D., PH.D's National Provider Identifier (NPI) is 1639456767, issued on Nov 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Dimitrios Koudoumas, M.D., PH.D located?
The NPPES record lists a practice address at 1101 26TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.
How can I verify Dimitrios Koudoumas, M.D., PH.D's license?
NPPES lists Montana license number 118900, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dimitrios Koudoumas, M.D., PH.D prescribe under Medicare Part D?
In 2024, Dimitrios Koudoumas, M.D., PH.D had 250 Medicare Part D claims for 63 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Dimitrios Koudoumas, M.D., PH.D's MIPS final score?
The 2023 MIPS final score is 80.5 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.