What is David Zientek's specialty?

David Zientek (NPI 1629053061) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Austin, TX.

Where does David Zientek practice?

David Zientek practices in Austin, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1629053061.

How much does Medicare pay David Zientek?

David Zientek (NPI 1629053061) received approximately $68K in total Medicare Part B payments, serving 261 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629053061

David ZientekMD

Interventional CardiologyAustin, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

527

Unique beneficiaries

—

Total services

830

Distinct HCPCS

Medicare payment

$63K

Peer benchmark

Total Medicare services vs. 466 Interventional Cardiology providers in TX — bottom quintile (cohort median 2,367).

PRESCRIBING · PART D · 2024

Total Rx claims

1,640

Beneficiaries

—

Total drug cost

$209K

Distinct drugs

Brand share

17.0%

Top prescribed drugs

Metoprolol Succinate185 claims

Atorvastatin Calcium177 claims

Amlodipine Besylate159 claims

Metoprolol Tartrate128 claims

Lisinopril101 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$23

Payment records

By payment type

Food and Beverage$23

Top paying entities

Food and Beverage$23

REFERRAL NETWORK

Where David Zientek'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ASCENSION SETON	89	211
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	61	170
City Of Austin Ambulance Service Provider · Austin, TX	35	78
Vu Nguyen Cardiology · Austin, TX	17	36
ASCENSION SETON	16	38
Vinoop Daggubati Hospitalist · Austin, TX	14	37
Adam Schneider Internal Medicine · Austin, TX	14	34
Gregory Karnaze Interventional Radiology · Austin, TX	14	30
John Manning Diagnostic Radiology · Austin, TX	13	37
John Barkley Diagnostic Radiology · Austin, TX	13	35
Windy Wyatt Internal Medicine · Freeport, ME	12	22
Mark Pirwitz Interventional Cardiology · Austin, TX	11	26

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