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PROVIDER PROFILE · NPI 1508040213

William GallahanM.D.

GastroenterologyWinston Salem, NCI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
1,236
Beneficiaries
—
Total drug cost
$365K
Distinct drugs
20
Brand share
52.8%
Top prescribed drugs
Pantoprazole Sodium248 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl241 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl86 claims
Sod Picosulf/Mag Ox/Citric Ac82 claims
Linaclotide77 claims
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
1,245
Unique beneficiaries
—
Total services
1,318
Distinct HCPCS
16
Medicare payment
$152K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 491 Gastroenterology providers in NC — above median (cohort median 652).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
102
By payment type
Food and Beverage$2K
REFERRAL NETWORK

Where William Gallahan'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). 77 inbound referrers · 100 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
JOHNSON, DANNA104231
Eric Scott
Pathology · Richmond, VA
73160
BON SECOURS ST FRANCIS MEDICAL CENTER LLC71158
County Of Chesterfield Virginia
Ambulance Service Provider · Chesterfield, VA
63132
John Turner
Pathology · Charleston, SC
56116
SOBIESKI, THOMAS44109
Mary Dillon
Anesthesiology · Richmond, VA
3471
Gerry Reece
Diagnostic Radiology · Richmond, VA
3264
Jiyearn Chung
Diagnostic Radiology · Richmond, VA
2961
Jenna Farrar
Certified Registered Nurse Anesthetist (CRNA) · North Chesterfield, VA
2769
Maritza Gallegos-Mahmood
Certified Registered Nurse Anesthetist (CRNA) · Richmond, VA
2550
Ramesh Kundur
Advanced Heart Failure and Transplant Cardiology · Midlothian, VA
25108
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CHIPPENHAM & JOHNSTON-WILLIS HOSPITALS INC3981,179
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
141443
James Snyder
Diagnostic Radiology · Richmond, VA
61154
Philip Dewitt
Anesthesiology · North Chesterfield, VA
60132
Eric Grossman
Anesthesiology · Richmond, VA
53129
JOHNSON, DANNA5271
Vikas Kumar
Anesthesiology · Tavares, FL
46108
Howard Haverty
Specialist · Richmond, VA
46167
SOBIESKI, THOMAS43149
BON SECOURS ST FRANCIS MEDICAL CENTER LLC4290
BON SECOURS ST. MARY'S HOSPITAL OF RICHMOND LLC3668
Brenna Lindsay
Anesthesiology · Richmond, VA
3574
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.