What is Brenda Ernst's specialty?

Brenda Ernst (NPI 1134449416) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Scottsdale, AZ.

Where does Brenda Ernst practice?

Brenda Ernst practices in Scottsdale, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1134449416.

How much does Medicare pay Brenda Ernst?

Brenda Ernst (NPI 1134449416) received approximately $2.5M in total Medicare Part B payments, serving 672 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134449416

Brenda ErnstM.D.

PRACTICEMAYO CLINIC ARIZONASee all providers at this practice →

Hematology-OncologyScottsdale, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,091

Unique beneficiaries

—

Total services

67,691

Distinct HCPCS

Medicare payment

$1.4M

Peer benchmark

Total Medicare services vs. 199 Hematology-Oncology providers in AZ — top quintile (cohort median 31,409).

PRESCRIBING · PART D · 2024

Total Rx claims

232

Beneficiaries

—

Total drug cost

$6K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Anastrozole57 claims

Letrozole53 claims

Dexamethasone32 claims

Prochlorperazine Maleate27 claims

Ondansetron Hcl25 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$168

Payment records

By payment type

Food and Beverage$100

Education$68

Top paying entities

Food and Beverage$100

Education$68

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 030078

Hospital

CCN 030103

Hospital

REFERRAL NETWORK

Where Brenda Ernst'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAYO CLINIC ARIZONA	19	96

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Mayo Clinic Arizona Clinical Laboratory · Scottsdale, AZ	27	174
MAYO CLINIC ARIZONA	25	132
HERNANDEZ, JAMES	15	49

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