PROVIDER PROFILE · NPI 1861425571

Darren HollenbaughMD, FACC

CardiologySpokane Valley, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,262

Unique beneficiaries

—

Total services

3,995

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 305 Cardiology providers in WA — top quintile (cohort median 2,026).

PRESCRIBING · PART D · 2024

Total Rx claims

4,689

Beneficiaries

—

Total drug cost

$968K

Distinct drugs

Brand share

25.4%

Top prescribed drugs

Metoprolol Succinate682 claims

Apixaban420 claims

Atorvastatin Calcium342 claims

Losartan Potassium314 claims

Furosemide243 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Darren Hollenbaugh'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). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES - WA	524	2,209
DICKEY, SANDRA	75	218
PROVIDENCE HEALTH & SERVICES - WASHINGTON	61	205
PROVIDENCE HEALTH & SERVICES - WASHINGTON	59	196
Boston Scientific Cardiac Diagnostic Services, Llc Independent Diagnostic Testing Facility (IDTF) · Houston, TX	41	93
Guy Katz Interventional Cardiology · Spokane Valley, WA	40	92
Ishwar Bhat Diagnostic Radiology · Spokane, WA	39	88
Pierre Leimgruber Interventional Cardiology · Spokane, WA	32	66
Michael Ring Interventional Cardiology · Spokane, WA	32	68
Harold Goldberg Clinical Cardiac Electrophysiology · Spokane, WA	29	77
John Peterson Interventional Cardiology · Spokane, WA	28	61
Michael Kirsch Diagnostic Radiology · Spokane, WA	28	46

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