What is Craig Zastrow's specialty?

Craig Zastrow (NPI 1407835903) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Merrill, WI.

Where does Craig Zastrow practice?

Craig Zastrow practices in Merrill, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1407835903.

How much does Medicare pay Craig Zastrow?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Craig Zastrow (NPI 1407835903) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1407835903

Craig Zastrow

PRACTICEASCENSION MEDICAL GROUP-NORTHERN WISCONSIN, INCSee all providers at this practice →

Nurse PractitionerMerrill, WII

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

4,856

Beneficiaries

—

Total drug cost

$307K

Distinct drugs

Brand share

25.7%

Top prescribed drugs

Atorvastatin Calcium356 claims

Lisinopril303 claims

Tamsulosin Hcl211 claims

Amlodipine Besylate197 claims

Furosemide148 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 Craig Zastrow'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). 0 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ASPIRUS WAUSAU HOSPITAL, INC	30	114
Laurence Gordon Internal Medicine · Chicago, IL	30	107
Julie Rayburn Physician Assistant · Wausau, WI	11	37

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