RONALD J KRAJNIK MD
NPI 1225072184
Emergency Medicine in Appleton, WI

Q: What is Ronald Krajnik's NPI number?

The NPI number for Ronald Krajnik is 1225072184. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Q: What is Ronald Krajnik's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Ronald Krajnik was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 15, 2006PECOS EnrolledAccepts Medicare Assignment

3925 N GATEWAY DR, APPLETON, WI 54913(920) 702-6371 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Ronald J Krajnik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD J KRAJNIK MD (NPI 1225072184) is an individual emergency medicine provider in Appleton, Wisconsin, licensed in Wisconsin (35701) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of Medical College Of Wisconsin (1993).

NPPES Registry Identity

NPI1225072184

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameRONALD J KRAJNIKCredential: MD

Location Address3925 N GATEWAY DRAppleton, WI 54913-7863

Mailing Address3 Neenah CtrNeenah, WI 54956-3070 · (920) 830-5900 · Fax (920) 830-5910

Phone(920) 702-6371

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1993

Enumeration DateJune 15, 2006

Last NPPES UpdateOctober 16, 2025

NPPES CertifiedOctober 16, 2025

✔ NPI 1225072184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in WI · 35701

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3925 N GATEWAY DR, Appleton, WI 54913

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronald J Krajnik Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789641705

PECOS Enrollment IDI20041211000009

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520045

Location130 2nd StNeenah, WI 54956 · Winnebago County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54913 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FOX VALLEY HEMATOLOGY & ONCOLOGY S C

Pharmacy (Community/Retail Pharmacy)

3925 N GATEWAY DR, SUITE 100
APPLETON, WI 54913

Outagamie County (920) 702-4802

BRITTANY E GOODRICH-BRAUN

Family Medicine