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PROVIDER PROFILE · NPI 1164400644

Larry GrissomM.D.

Diagnostic RadiologyHouston, TXI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Group
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,099
Unique beneficiaries
—
Total services
1,099
Distinct HCPCS
7
Medicare payment
$53K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,345 Diagnostic Radiology providers in TX — below median (cohort median 2,473).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Larry Grissom'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). 93 inbound referrers · 243 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TOMBALL TEXAS HOSPITAL COMPANY LLC268401
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
182310
Jose Spencer
Diagnostic Radiology · Katy, TX
106206
Paul Evans
Diagnostic Radiology · Houston, TX
87124
NEW MEDICAL HORIZONS II, LTD.80115
NORTHWEST COMMUNITY HEALTH, INC75139
Ravi Bikkina
Diagnostic Radiology · Houston, TX
6278
Madelyn Vuong
Diagnostic Radiology · Houston, TX
5778
Kenneth Kleckner
Emergency Medicine · Philadelphia, PA
5175
Philip Pirtle
Pulmonary Disease · Houston, TX
50147
Philip Katz
Diagnostic Radiology · Houston, TX
4661
Mudassir Shafi
Diagnostic Radiology · Houston, TX
4666
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
TOMBALL TEXAS HOSPITAL COMPANY LLC554814
HOUSTON NORTHWEST OPERATING COMPANY, LLC487710
NEW MEDICAL HORIZONS II, LTD.221332
Jose Spencer
Diagnostic Radiology · Katy, TX
151292
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
142256
Voon Liaw
Interventional Radiology · Houston, TX
140203
Paul Evans
Diagnostic Radiology · Houston, TX
129177
Laboratory Corporation Of America
Clinical Laboratory · Houston, TX
121190
Hai Nguyen
Diagnostic Radiology · Houston, TX
115156
Kee Wee
Diagnostic Radiology · Houston, TX
110138
Chandra Katragadda
Diagnostic Radiology · Houston, TX
109149
David Olifant
Diagnostic Radiology · Houston, TX
108137
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.