What is Holly Middlekauff's specialty?

Holly Middlekauff (NPI 1659390581) is a Medicare-billing provider whose primary specialty is Cardiology in Los Angeles, CA.

Where does Holly Middlekauff practice?

Holly Middlekauff practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1659390581.

How much does Medicare pay Holly Middlekauff?

Holly Middlekauff (NPI 1659390581) received approximately $88K in total Medicare Part B payments, serving 4,837 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659390581

Holly MiddlekauffMD

CardiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,065

Unique beneficiaries

—

Total services

8,420

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — top quintile (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

1,977

Beneficiaries

—

Total drug cost

$439K

Distinct drugs

Brand share

24.4%

Top prescribed drugs

Atorvastatin Calcium275 claims

Amlodipine Besylate168 claims

Ezetimibe145 claims

Metoprolol Succinate132 claims

Losartan Potassium129 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

79.4

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.53%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Holly Middlekauff'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). 318 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Donald Roback Diagnostic Radiology · Manhattan Beach, CA	570	1,726
Benjamin Plotkin Diagnostic Radiology · Los Angeles, CA	456	1,269
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	422	788
REGENTS OF THE UNIV OF CALIFORNIA	345	577
Kathleen Brown Diagnostic Radiology · Los Angeles, CA	294	964
Robert Suh Diagnostic Radiology · Los Angeles, CA	259	746
Scott Genshaft Interventional Radiology · Los Angeles, CA	234	689
Eric Yang Cardiology · Los Angeles, CA	220	615
Unilab Corporation Clinical Laboratory · West Hills, CA	205	612
Tamara Horwich Cardiology · Los Angeles, CA	197	446
Mark Morocco Emergency Medicine · Los Angeles, CA	195	639
Fereidoun Abtin Diagnostic Radiology · Los Angeles, CA	195	480

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