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PROVIDER PROFILE · NPI 1497759765

Oliver GilliamM.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
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
191
Beneficiaries
—
Total drug cost
$7K
Distinct drugs
4
Brand share
82.7%
Top prescribed drugs
Sodium, Potassium,mag Sulfates78 claims
Sodium Chloride/Nahco3/Kcl/Peg35 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl33 claims
Pantoprazole Sodium33 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl12 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$377
Payment records
22
By payment type
Food and Beverage$377
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
86
Unique beneficiaries
—
Total services
86
Distinct HCPCS
3
Medicare payment
$16K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,429 Internal Medicine providers in IN — bottom quintile (cohort median 666).
REFERRAL NETWORK

Where Oliver Gilliam'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). 23 inbound referrers · 45 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
South Bend In Endoscopy Asc Llc
Ambulatory Surgical Center · South Bend, IN
347614
MEMORIAL HOSPITAL OF SOUTH BEND134365
The South Bend Clinic Llc
Ambulatory Surgical Center · South Bend, IN
46112
SAINT JOSEPH REGIONAL MEDICAL CENTER- PLYMOUTH CAMPUS INC27101
Steven Gerstler
Diagnostic Radiology · Tampa, FL
2556
Edward Yang
Diagnostic Radiology · New Orleans, LA
2136
Brett Stephens
Diagnostic Radiology · South Bend, IN
2039
Vu Nguyen
Diagnostic Radiology · South Bend, IN
2043
Linda Tuthill
Diagnostic Radiology · South Bend, IN
1935
Odeta Lapkus
Pathology · South Bend, IN
1733
James Dyer
Pathology · South Bend, IN
1530
Alan Engel
Diagnostic Radiology · Grand Rapids, MI
1431
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
South Bend Medical Foundation, Inc
Clinical Laboratory · South Bend, IN
145484
SAINT JOSEPH REGIONAL MEDICAL CENTER-SOUTH BEND CAMPUS, INC.133344
Julie Addis
Certified Registered Nurse Anesthetist (CRNA) · South Bend, IN
87156
Janet Vardaman
Certified Registered Nurse Anesthetist (CRNA) · South Bend, IN
81134
MEMORIAL HOSPITAL OF SOUTH BEND78202
Christopher Brennan
Certified Registered Nurse Anesthetist (CRNA) · Elkhart, IN
73131
Kimberlee Norton
Certified Registered Nurse Anesthetist (CRNA) · Sarasota, FL
68116
CHRENKA, BLAIR52112
Shadia Alam
Pathology · Loveland, CO
4696
Douglas Kuehn
Diagnostic Radiology · South Bend, IN
3559
The South Bend Clinic Llc
Ambulatory Surgical Center · South Bend, IN
3491
Jonathan Mccrea
Diagnostic Radiology · South Bend, IN
2967
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.