Dr. Dimitrios Koudoumas
- Gender: Male
- Sole propriator: No
- NPI: 1639456767
Dr. Dimitrios Koudoumas M.D., PH.D
Cardiothoracic Surgeon
He is located at 1101 26th Street South in Great Falls, MT 59405. Can help patients with the following: Anal Fissure, Aortic Dissection, Cyst, Esophageal Cancer, Sebaceous Cyst, Ventricular Septal Defect (VSD). His National Provider Identifier (NPI) number is 1639456767. Appointment can be made via the phone number (406) 731-8888.
Conditions treated
Dr. Dimitrios Koudoumas, being an cardiothoracic surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Dimitrios Koudoumas.
- Achalasia
- Anal Fissure
- Aortic Dissection
- Aortic Stenosis
- Appendicitis
- Boils
- Cancer
- Collapsed Lung
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Thoracic Outlet Syndrome (TOS)
- Ulcerative Colitis
- Ventricular Septal Defect (VSD)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Dimitrios Koudoumas as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Montana
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Montana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Focus Bronze POS℠ 205 (3 plan variants) | POS · Expanded Bronze | Blue Focus POS | Accepting new patients |
| Blue Focus Bronze POS℠ 705 (3 plan variants) | POS · Bronze | Blue Focus POS | Accepting new patients |
| Blue Focus Bronze POS℠ Standard (3 plan variants) | POS · Expanded Bronze | Blue Focus POS | Accepting new patients |
| Blue Focus Gold POS℠ 207 (3 plan variants) | POS · Gold | Blue Focus POS | Accepting new patients |
| Blue Focus Gold POS℠ 902 (3 plan variants) | POS · Gold | Blue Focus POS | Accepting new patients |
| Blue Focus Gold POS℠ Standard (3 plan variants) | POS · Gold | Blue Focus POS | Accepting new patients |
| Blue Focus Silver POS℠ 206 (3 plan variants) | POS · Silver | Blue Focus POS | Accepting new patients |
| Blue Focus Silver POS℠ 903 (3 plan variants) | POS · Silver | Blue Focus POS | Accepting new patients |
| Blue Focus Silver POS℠ Standard (3 plan variants) | POS · Silver | Blue Focus POS | Accepting new patients |
| Blue Preferred Bronze PPO℠ 201 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ 202 (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ Standard (4 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ 204 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ 901 (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ Standard (4 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Security PPO℠ 200 (4 plan variants) | PPO · Catastrophic | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ 203 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ 308 (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ Standard (4 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
Mountain Health CO-OP
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 22 plans from Mountain Health CO-OP
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| PEAK PPO BRONZE | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Peak PPO Bronze HDHP | PPO · Expanded Bronze | Preferred | Accepting new patients |
| PEAK PPO BRONZE HDHP | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Peak PPO Bronze Standard | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Peak PPO Catastrophic | PPO · Catastrophic | Preferred | Accepting new patients |
| Peak PPO Gold | PPO · Gold | Preferred | Accepting new patients |
| PEAK PPO GOLD | PPO · Gold | Preferred | Accepting new patients |
| PEAK PPO GOLD HDHP | PPO · Gold | Preferred | Accepting new patients |
| Peak PPO Gold Standard | PPO · Gold | Preferred | Accepting new patients |
| Peak PPO Silver | PPO · Silver | Preferred | Accepting new patients |
| PEAK PPO SILVER | PPO · Silver | Preferred | Accepting new patients |
| PEAK PPO SILVER HDHP | PPO · Silver | Preferred | Accepting new patients |
| Peak PPO Silver Standard | PPO · Silver | Preferred | Accepting new patients |
| Plus Bronze (2 plan variants) | PPO · Expanded Bronze | Tier Two | Accepting new patients |
| Plus Bronze HDHP | PPO · Expanded Bronze | Tier Two | Accepting new patients |
| Plus Bronze Standard | PPO · Expanded Bronze | Tier Two | Accepting new patients |
| Plus Gold (2 plan variants) | PPO · Gold | Tier Two | Accepting new patients |
| Plus Gold HDHP | PPO · Gold | Tier Two | Accepting new patients |
| Plus Gold Standard | PPO · Gold | Tier Two | Accepting new patients |
| Plus Silver | PPO · Silver | Tier Two | Accepting new patients |
| Plus Silver HDHP | PPO · Silver | Tier Two | Accepting new patients |
| Plus Silver Standard | PPO · Silver | Tier Two | Accepting new patients |
PacificSource Health Plans
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from PacificSource Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Core Bronze HSA 10600 | EPO · Bronze | Tier One | Accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier One | Accepting new patients |
| Core Silver 3500 | EPO · Silver | Tier One | Accepting new patients |
| Core Silver 5000 | EPO · Silver | Tier One | Accepting new patients |
| Core Standard Expanded Bronze HSA | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Standard Gold | EPO · Gold | Tier One | Accepting new patients |
| Core Standard Silver | EPO · Silver | Tier One | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Dimitrios Koudoumas is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Dimitrios Koudoumas is enrolled to bill Medicare as a Practitioner - Thoracic Surgery .
Bills through: Benefis Hospitals Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Additional Specialities
- Surgeon
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Questions & Answers
What conditions does Dr. Dimitrios Koudoumas treat?
Dr. Dimitrios Koudoumas provides treatment for Anal Fissure, Aortic Dissection, Cyst, Esophageal Cancer, Sebaceous Cyst, Ventricular Septal Defect (VSD). For the full list see this list.
Where can you meet with Dr. Dimitrios Koudoumas?
Dr. Dimitrios Koudoumas's office is located at 1101 26th Street South in Great Falls, MT 59405.
Does Dr. Dimitrios Koudoumas accept insurance?
Dr. Dimitrios Koudoumas is listed in-network for 49 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans. See the Marketplace plans section for details.