PROVIDER PROFILE · NPI 1316985120

Mark ZenkerM.D.

PRACTICEHEART GROUP PLLCSee all providers at this practice →

CardiologyNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,438

Unique beneficiaries

—

Total services

2,901

Distinct HCPCS

Medicare payment

$112K

Peer benchmark

Total Medicare services vs. 374 Cardiology providers in TN — above median (cohort median 2,451).

PRESCRIBING · PART D · 2024

Total Rx claims

5,287

Beneficiaries

—

Total drug cost

$3.3M

Distinct drugs

Brand share

30.6%

Top prescribed drugs

Metoprolol Succinate536 claims

Atorvastatin Calcium436 claims

Apixaban348 claims

Empagliflozin284 claims

Losartan Potassium273 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$54K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$34K

Consulting Fee$12K

Travel and Lodging$8K

Food and Beverage$877

Education$32

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Mark Zenker'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). 93 inbound referrers · 163 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Viraj Parikh Diagnostic Radiology · Goodlettsville, TN	145	289
Jonathan Gordon Diagnostic Radiology · Goodlettsville, TN	89	161
Timothy Myers Emergency Medicine · Nashville, TN	59	114
Jeffrey Williams Diagnostic Radiology · Goodlettsville, TN	58	107
Tanja Foster Diagnostic Radiology · Hurst, TX	56	129
Dante Graves Cardiology · Nashville, TN	55	100
Mark Stankewicz Cardiology · Nashville, TN	55	123
TOMICHEK, RICHARD	54	128
Steven Blount Diagnostic Radiology · Goodlettsville, TN	53	99
Pedro Roque Emergency Medicine · Scottsdale, AZ	50	91
James Baker Clinical Cardiac Electrophysiology · Nashville, TN	48	156
Nancy Delboy Anesthesiology · Nashville, TN	47	109

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SAINT THOMAS WEST HOSPITAL	595	1,791
Dante Graves Cardiology · Nashville, TN	101	193
Viraj Parikh Diagnostic Radiology · Goodlettsville, TN	92	227
SAINT THOMAS WEST HOSPITAL	83	339
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Tucker, GA	82	224
Andrew Zurick Cardiology · Nashville, TN	79	145
James Baker Clinical Cardiac Electrophysiology · Nashville, TN	74	214
Jeffrey Williams Diagnostic Radiology · Goodlettsville, TN	70	132
Amer Haque Diagnostic Radiology · Goodlettsville, TN	70	123
David Gibson Cardiology · Nashville, TN	69	175
Wilson Kemp Cardiology · Nashville, TN	67	139
Steven Blount Diagnostic Radiology · Goodlettsville, TN	66	133

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