Kleanthis G. Dendrinos, M.D.
NPI 1861528457ActiveIndividual· Internal Medicine, Gastroenterology· Bozeman, MT
Internal Medicine, Gastroenterology (M.D.) in Bozeman, Montana, trained at University of Maryland School of Medicine (class of 2001). 481 Medicare patients in 2024, $91,311 paid; nearly all of their 348 Part D prescriptions were generic (90%). Ardelyx, Inc. was the largest of 2 companies reporting payments in 2025, $177.46 in all, mostly food and beverage.
Overview
| NPI | 1861528457 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 26, 2007 |
| Last updated in NPPES | Apr 10, 2025 |
| Certified by provider | Apr 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MED-PHYS-LIC-58486 | MT |
| Internal Medicine, Gastroenterology | 207RG0100X | 7943A | WY |
| Internal Medicine | 207R00000X | 220124 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 481 |
|---|---|
| Services billed | 746 across 43 procedure codes |
| Paid by Medicare | $91,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 638 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $112,140 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Bozeman Health Deaconess HospitalBozeman, MT · 320 clinicians
Hospital affiliations
- Bozeman Health Big Sky Medical CenterBig Sky, MT
- Bozeman Health Deaconess HospitalBozeman, MT
- Livingston HealthcareLivingston, MT
- St Peters HealthHelena, MT
Industry payments (Open Payments)
- 2025$177.46 · 3 payments from 2 companies
- 2024$472.14 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $135.95 | 1 |
| Abbvie Inc. | $41.51 | 2 |
What the 2025 payments were for
- Food and Beverage$177.46 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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