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PROVIDER PROFILE · NPI 1427051341

John MathisM.D.

PRACTICEMICHIANA GASTROENTEROLOGY, INCSee all providers at this practice →
Internal MedicineSouth Bend, INI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
51.5
Quality
0.0
Cost
71.5
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
-2.83%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
1,579
Beneficiaries
—
Total drug cost
$385K
Distinct drugs
25
Brand share
44.3%
Top prescribed drugs
Sodium, Potassium,mag Sulfates389 claims
Pantoprazole Sodium282 claims
Omeprazole228 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl71 claims
Mesalamine62 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
894
Unique beneficiaries
—
Total services
947
Distinct HCPCS
16
Medicare payment
$109K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,429 Internal Medicine providers in IN — above median (cohort median 666).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
178
By payment type
Food and Beverage$3K
Travel and Lodging$291
REFERRAL NETWORK

Where John Mathis'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). 35 inbound referrers · 61 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MEMORIAL HOSPITAL OF SOUTH BEND156537
SAINT JOSEPH REGIONAL MEDICAL CENTER- PLYMOUTH CAMPUS INC43241
The South Bend Clinic Llc
Ambulatory Surgical Center · South Bend, IN
40119
Steven Gerstler
Diagnostic Radiology · Tampa, FL
39140
James Dyer
Pathology · South Bend, IN
3364
Tri-County Ambulance Service, Inc.
Ambulance Service Provider · Wakarusa, IN
2884
NPI 101390741925128
Edward Yang
Diagnostic Radiology · New Orleans, LA
2453
Vu Nguyen
Diagnostic Radiology · South Bend, IN
2358
Pedro Miro
Diagnostic Radiology · Mishawaka, IN
21106
Nicole Anest
Pathology · South Bend, IN
1956
Alan Engel
Diagnostic Radiology · Grand Rapids, MI
1947
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
South Bend In Endoscopy Asc Llc
Ambulatory Surgical Center · South Bend, IN
301634
South Bend Medical Foundation, Inc
Clinical Laboratory · South Bend, IN
157786
SAINT JOSEPH REGIONAL MEDICAL CENTER-SOUTH BEND CAMPUS, INC.118523
MEMORIAL HOSPITAL OF SOUTH BEND88286
Christopher Brennan
Certified Registered Nurse Anesthetist (CRNA) · Elkhart, IN
81172
CHRENKA, BLAIR67158
Kimberlee Norton
Certified Registered Nurse Anesthetist (CRNA) · Sarasota, FL
54103
Shadia Alam
Pathology · Loveland, CO
51120
Julie Addis
Certified Registered Nurse Anesthetist (CRNA) · South Bend, IN
4999
Janet Vardaman
Certified Registered Nurse Anesthetist (CRNA) · South Bend, IN
44100
Tri-County Ambulance Service, Inc.
Ambulance Service Provider · Wakarusa, IN
42151
Douglas Kuehn
Diagnostic Radiology · South Bend, IN
35120
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.