Michael Tzagournis, MD
NPI 1639121106 · Gastroenterology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Tzagournis, MD is a Gastroenterology Physician provider in Columbus, OH (NPI 1639121106).
Provider details
- NPI number
- 1639121106
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35077326 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
790 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) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 165 | $10 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 133 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 85 | $228 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $104 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 72 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 112 | 111 |
| Omeprazole | 106 | 37 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 98 | 97 |
| Linaclotidebrand: Linzess | 53 | 11 |
| Sucralfate | 24 | — |
| Mesalaminebrand: Mesalamine Er | 22 | — |
| Azathioprine | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,894 across 156 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)
- 111 S Grant AveColumbus, OH 43215-4701Phone: (614) 566-9550
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2025-06-12
- Certified
- 2025-06-12
Frequently asked questions
- What is Michael Tzagournis's NPI number?
- Michael Tzagournis's National Provider Identifier (NPI) is 1639121106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Tzagournis's specialty?
- Michael Tzagournis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Tzagournis located?
- Michael Tzagournis's practice location on file with NPPES is 700 E Broad St, Columbus, OH 43215-3946.
- What is Michael Tzagournis's phone number?
- The practice phone number listed in the NPPES registry for Michael Tzagournis is (614) 458-1183.
- Does Michael Tzagournis accept Medicare?
- Michael Tzagournis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Tzagournis's NPI active?
- Yes — Michael Tzagournis's NPI (1639121106) is active in the NPPES registry as of the last update on 2025-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.