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PROVIDER PROFILE · NPI 1346277613

Gregory MackayM.D.

PRACTICEVERO GASTROENTEROLOGY LLCSee all providers at this practice →
GastroenterologyVero Beach, FLI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Gregory Mackay'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). 67 inbound referrers · 134 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
INDIAN RIVER MEMORIAL HOSPITAL INC4552,107
County Of Indian River
Ambulance Service Provider · Vero Beach, FL
77258
Caroline Kedem
Diagnostic Radiology · Vero Beach, FL
70247
ARMSTEAD, ADAM66206
COLELLA, JAY66279
John Holmes
Diagnostic Radiology · Vero Beach, FL
56210
PECHTER, RICHARD48140
Peter Joyce
Diagnostic Radiology · Vero Beach, FL
46156
George Puskar
Diagnostic Radiology · Vero Beach, FL
42172
EAST COAST CLINICAL SERVICES INC36250
Falguni Sura
Anesthesiology · Vero Beach, FL
3485
Robert Bisset
Diagnostic Radiology · Vero Beach, FL
33106
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
INDIAN RIVER MEMORIAL HOSPITAL INC6723,811
GLEIBERMAN, IRA158544
RAMANATHAN, RAMESH153535
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
126592
Heather Nagel
Diagnostic Radiology · Vero Beach, FL
94354
Nikitas Kleopoulos
Anesthesiology · Vero Beach, FL
85281
County Of Indian River
Ambulance Service Provider · Vero Beach, FL
64161
ARMSTEAD, ADAM61204
Margaret Weeks
Diagnostic Radiology · Vero Beach, FL
56267
Jeffrey Sacks
Diagnostic Radiology · Vero Beach, FL
52159
Clarence Yates
Diagnostic Radiology · Vero Beach, FL
51200
APPEL, JASON48180
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
16
Unique beneficiaries
—
Total services
22
Distinct HCPCS
1
Medicare payment
$1K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,135 Gastroenterology providers in FL — bottom quintile (cohort median 817).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
92.3
Quality
80.2
Cost
0.0
Improvement activities
40.0
Promoting interop.
99.2
Payment adjustment
0.73%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.