What is Allison Vanotterloo's specialty?

Allison Vanotterloo (NPI 1912254228) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Sioux City, IA.

Where does Allison Vanotterloo practice?

Allison Vanotterloo practices in Sioux City, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1912254228.

How much does Medicare pay Allison Vanotterloo?

Allison Vanotterloo (NPI 1912254228) received approximately $53K in total Medicare Part B payments, serving 149 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1912254228

Allison VanotterlooNP-C

Nurse PractitionerSioux City, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

683

Unique beneficiaries

—

Total services

1,072

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 2,245 Nurse Practitioner providers in IA — top quintile (cohort median 312).

PRESCRIBING · PART D · 2024

Total Rx claims

3,938

Beneficiaries

—

Total drug cost

$216K

Distinct drugs

Brand share

19.4%

Top prescribed drugs

Losartan Potassium186 claims

Atorvastatin Calcium186 claims

Levothyroxine Sodium186 claims

Rosuvastatin Calcium153 claims

Pantoprazole Sodium151 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Allison Vanotterloo'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Marty Kelley Podiatry · Sioux City, IA	19	31
Dayne Roberts Diagnostic Radiology · Albemarle, NC	17	47
Eric Luebbert Diagnostic Radiology · Ida Grove, IA	16	50
Keith Schrunk Optometry · Denison, IA	15	64
Carol Copeland Physical Therapist in Private Practice · Dakota Dunes, SD	12	182

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