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PROVIDER PROFILE · NPI 1881616068

Mack SullivanM.D.

PRACTICEFITNESS & RECOVERY, LLCSee all providers at this practice →
Internal MedicineEastchester, NYI
CROSS-REFERENCE

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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,180
Beneficiaries
—
Total drug cost
$192K
Distinct drugs
63
Brand share
20.8%
Top prescribed drugs
Prednisone219 claims
Alprazolam109 claims
Amlodipine Besylate92 claims
Lisinopril92 claims
Ciprofloxacin Hcl86 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,049
Unique beneficiaries
—
Total services
3,180
Distinct HCPCS
31
Medicare payment
$110K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).
REFERRAL NETWORK

Where Mack Sullivan'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NEW YORK-PRESBYTERIAN/LAWRENCE HOSPITAL129474
Eugene Liu
Pain Management · Dobbs Ferry, NY
982,654
WHITE PLAINS HOSPITAL MEDICAL CENTER45117
Michael Elia
Orthopaedic Surgery · Bronxville, NY
43233
Eastchester Volunteer Ambulance Corps Inc
Ambulance Service Provider · Eastchester, NY
2036
Steven Klein
Diagnostic Radiology · New City, NY
1332
MOUNT SINAI HOSPITAL1116
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.