Ronald J. Krajnik, MD

NPI 1225072184ActiveIndividual· Emergency Medicine· Appleton, WI

Emergency Medicine (MD) in Appleton, Wisconsin, trained at Medical College of Wisconsin (class of 1993). Part D covered 247 prescriptions written in 2024, 94% of them generic.

Overview

NPI	1225072184
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 15, 2006
Last updated in NPPES	Oct 16, 2025
Certified by provider	Oct 16, 2025

Specialties and licenses

Taxonomy	Code	License	State
Emergency Medicine Primary	207P00000X	35701	WI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Emergency Medicine (WI)

Part D prescriptions in 2024

Prescriptions (claims)	247 · 249 30-day fills
Patients	193
Total drug cost	$3,689
Generic share	94% of claims

Medicare sources and data years

Education and affiliations

Medical school	Medical College of Wisconsin
Graduation year	1993
Medicare specialty	Emergency Medicine
Secondary specialties	Internal Medicine

Medical group

Thedacare, IncorporatedWaupaca, WI · 647 clinicians

Hospital affiliation

Thedacare Regional Med Ctr - NeenahNeenah, WI

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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