What is Istvan Wollak's specialty?

Istvan Wollak (NPI 1619919305) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Southaven, MS.

Where does Istvan Wollak practice?

Istvan Wollak practices in Southaven, MS, based on the location reported in the CMS Medicare provider datasets for NPI 1619919305.

How much does Medicare pay Istvan Wollak?

Istvan Wollak (NPI 1619919305) received approximately $155K in total Medicare Part B payments, serving 1,014 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619919305

Istvan WollakM.D.

Pulmonary DiseaseSouthaven, MSI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,926

Unique beneficiaries

—

Total services

2,197

Distinct HCPCS

Medicare payment

$148K

Peer benchmark

Total Medicare services vs. 74 Pulmonary Disease providers in MS — above median (cohort median 1,546).

PRESCRIBING · PART D · 2024

Total Rx claims

959

Beneficiaries

—

Total drug cost

$2.5M

Distinct drugs

Brand share

67.5%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter99 claims

Albuterol Sulfate88 claims

Macitentan77 claims

Montelukast Sodium69 claims

Prednisone55 claims

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

By payment type

Food and Beverage$370

Top paying entities

Food and Beverage$370

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

Physician	Patients	Visits
BAPTIST MEMORIAL HOSPITAL-DESOTO, INC,	801	2,734
Yadana Kyaw Pulmonary Disease · Southaven, MS	262	1,728
Daniel Craven Diagnostic Radiology · Memphis, TN	232	877
Randy Horras Diagnostic Radiology · Memphis, TN	193	606
Shannon Woods Nurse Practitioner · Southaven, MS	171	579
Keith Tonkin Diagnostic Radiology · Memphis, TN	166	513
Craig Lipman Diagnostic Radiology · Memphis, TN	162	516
John Ellzey Diagnostic Radiology · Memphis, TN	155	465
Gilbert Zoghbi Interventional Cardiology · Germantown, TN	150	796
Arie Szatkowski Cardiology · Memphis, TN	150	592
MCLEOD, ALAN	147	404
Jiang Cui Clinical Cardiac Electrophysiology · Germantown, TN	139	769

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events