caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1619919305

Istvan WollakM.D.

Pulmonary DiseaseSouthaven, MSI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
86.7
Quality
71.4
Cost
72.1
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.49%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$370
Payment records
21
By payment type
Food and Beverage$370
PRESCRIBING · PART D · 2024
Total Rx claims
959
Beneficiaries
—
Total drug cost
$2.5M
Distinct drugs
30
Brand share
67.5%
Top prescribed drugs
Fluticasone/Umeclidin/Vilanter99 claims
Albuterol Sulfate88 claims
Macitentan77 claims
Montelukast Sodium69 claims
Prednisone55 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,926
Unique beneficiaries
—
Total services
2,197
Distinct HCPCS
32
Medicare payment
$148K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 74 Pulmonary Disease providers in MS — above median (cohort median 1,546).
REFERRAL NETWORK

Where Istvan Wollak'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). 112 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BAPTIST MEMORIAL HOSPITAL-DESOTO, INC,8012,734
Yadana Kyaw
Pulmonary Disease · Southaven, MS
2621,728
Daniel Craven
Diagnostic Radiology · Memphis, TN
232877
Randy Horras
Diagnostic Radiology · Memphis, TN
193606
Shannon Woods
Nurse Practitioner · Southaven, MS
171579
Keith Tonkin
Diagnostic Radiology · Memphis, TN
166513
Craig Lipman
Diagnostic Radiology · Memphis, TN
162516
John Ellzey
Diagnostic Radiology · Memphis, TN
155465
Gilbert Zoghbi
Interventional Cardiology · Germantown, TN
150796
Arie Szatkowski
Cardiology · Memphis, TN
150592
MCLEOD, ALAN147404
Jiang Cui
Clinical Cardiac Electrophysiology · Germantown, TN
139769
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.