Kleanthis Dendrinos, M.D.
NPI 1861528457 · Gastroenterology Physician · Bozeman, MT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kleanthis Dendrinos, M.D. is a Gastroenterology Physician provider in Bozeman, MT (NPI 1861528457).
Provider details
- NPI number
- 1861528457
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7943A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
652 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 202 | $244 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 108 | $88 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 93 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $127 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$472 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 931 Highland Blvd Ste 3350Bozeman, MT 59715-6914Phone: (406) 414-5336
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Kleanthis Dendrinos's NPI number?
- Kleanthis Dendrinos's National Provider Identifier (NPI) is 1861528457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kleanthis Dendrinos's specialty?
- Kleanthis Dendrinos is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Kleanthis Dendrinos located?
- Kleanthis Dendrinos's practice location on file with NPPES is 875 S Cottonwood Rd Ste 200, Bozeman, MT 59718-4208.
- What is Kleanthis Dendrinos's phone number?
- The practice phone number listed in the NPPES registry for Kleanthis Dendrinos is (406) 414-5336.
- Does Kleanthis Dendrinos accept Medicare?
- Kleanthis Dendrinos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kleanthis Dendrinos's NPI active?
- Yes — Kleanthis Dendrinos's NPI (1861528457) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.