What is Carolyn Larsen's specialty?

Carolyn Larsen (NPI 1164743829) is a Medicare-billing provider whose primary specialty is Cardiology in Scottsdale, AZ.

Where does Carolyn Larsen practice?

Carolyn Larsen practices in Scottsdale, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1164743829.

How much does Medicare pay Carolyn Larsen?

Carolyn Larsen (NPI 1164743829) received approximately $127K in total Medicare Part B payments, serving 2,357 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164743829

Carolyn LarsenMD

PRACTICEMAYO CLINIC ARIZONASee all providers at this practice →

CardiologyScottsdale, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,894

Unique beneficiaries

—

Total services

4,972

Distinct HCPCS

Medicare payment

$121K

Peer benchmark

Total Medicare services vs. 363 Cardiology providers in AZ — top quintile (cohort median 2,847).

PRESCRIBING · PART D · 2024

Total Rx claims

1,187

Beneficiaries

—

Total drug cost

$209K

Distinct drugs

Brand share

17.7%

Top prescribed drugs

Rosuvastatin Calcium172 claims

Metoprolol Succinate162 claims

Atorvastatin Calcium108 claims

Losartan Potassium91 claims

Apixaban86 claims

QUALITY · MIPS · 2024

Final MIPS score

86.5

Quality

78.3

Cost

76.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.48%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Carolyn Larsen'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
William Morice Pathology · Rochester, MN	16	55

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MAYO CLINIC HOSPITAL-ROCHESTER	23	51
William Morice Pathology · Rochester, MN	19	70
HANSON, CURTIS	12	64

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