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PROVIDER PROFILE · NPI 1386647170

John KaragiannisM.D.

PRACTICEELKHART CLINIC, LLCSee all providers at this practice →
GastroenterologyElkhart, INI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
1,904
Beneficiaries
—
Total drug cost
$69K
Distinct drugs
16
Brand share
30.9%
Top prescribed drugs
Pantoprazole Sodium695 claims
Sodium Chloride/Nahco3/Kcl/Peg333 claims
Famotidine312 claims
Sodium, Potassium,mag Sulfates198 claims
Omeprazole139 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,605
Unique beneficiaries
—
Total services
5,216
Distinct HCPCS
36
Medicare payment
$103K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 249 Gastroenterology providers in IN — top quintile (cohort median 598).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$402
Payment records
21
By payment type
Food and Beverage$402
REFERRAL NETWORK

Where John Karagiannis'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). 34 inbound referrers · 75 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ELKHART GENERAL HOSPITAL, INC.213543
Wai Lee
Cardiology · Elkhart, IN
118422
Luisito Gonzales
Cardiology · Elkhart, IN
71226
Thomas Rhee
Diagnostic Radiology · Mishawaka, IN
71174
Roger Moore
Dermatology · Elkhart, IN
4174
Minnie Enriquez
Internal Medicine · Elkhart, IN
38207
James Jin
Hematology-Oncology · South Bend, IN
38239
Jason Ford
Certified Registered Nurse Anesthetist (CRNA) · Niles, MI
3762
Katrina Vanderveen
Diagnostic Radiology · Mishawaka, IN
3574
Albert Cho
Diagnostic Radiology · Mishawaka, IN
3249
LOCKWITZ, BRUCE32153
James Dyer
Pathology · South Bend, IN
3046
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ELKHART CLINIC ASC, LLC326766
ELKHART GENERAL HOSPITAL, INC.217676
South Bend Medical Foundation, Inc
Clinical Laboratory · South Bend, IN
154552
POWERS, ROBERT85239
Wai Lee
Cardiology · Elkhart, IN
75311
Thomas Rhee
Diagnostic Radiology · Mishawaka, IN
69146
Nazmul Huda
Cardiology · Elkhart, IN
60138
Luisito Gonzales
Cardiology · Elkhart, IN
47151
KNIGHT, ERNEST46188
William Buckley
Internal Medicine · Elkhart, IN
40269
Carolyn Hudson
Internal Medicine · Elkhart, IN
40243
James Jin
Hematology-Oncology · South Bend, IN
39175
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.