What is Michael Tzagournis's specialty?

Michael Tzagournis (NPI 1639121106) is a Medicare-billing provider whose primary specialty is Gastroenterology in Columbus, OH.

Where does Michael Tzagournis practice?

Michael Tzagournis practices in Columbus, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1639121106.

How much does Medicare pay Michael Tzagournis?

Michael Tzagournis (NPI 1639121106) received approximately $62K in total Medicare Part B payments, serving 299 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639121106

Michael TzagournisMD

GastroenterologyColumbus, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

747

Unique beneficiaries

—

Total services

790

Distinct HCPCS

Medicare payment

$51K

Peer benchmark

Total Medicare services vs. 553 Gastroenterology providers in OH — above median (cohort median 554).

PRESCRIBING · PART D · 2024

Total Rx claims

486

Beneficiaries

—

Total drug cost

$76K

Distinct drugs

Brand share

61.1%

Top prescribed drugs

Sodium, Potassium,mag Sulfates112 claims

Omeprazole106 claims

Sodium Chloride/Nahco3/Kcl/Peg98 claims

Linaclotide53 claims

Sucralfate24 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

133

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Michael Tzagournis's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 30 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
OHIOHEALTH CORPORATION	147	275
Grant Scope Center, Llc Ambulatory Surgical Center · Columbus, OH	72	174
FAIRFIELD MEDICAL CENTER	45	108
HAUER, CHRISTOPHER	36	73
Harlan Meyer Diagnostic Radiology · Columbus, OH	26	41
OHIO STATE UNIVERSITY HOSPITALS	22	66
OHIOHEALTH CORPORATION	21	43
Todd Klausner Diagnostic Radiology · Columbus, OH	18	27
MAYNARD, PRISCA	17	56
Michael Meade Diagnostic Radiology · Columbus, OH	16	25
Gordon Kim Gastroenterology · Columbus, OH	15	24
Andrew Burke Diagnostic Radiology · Lakewood, CO	15	26

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events