Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
RONALD J KRAJNIK, MD
ActiveRONALD J KRAJNIK, MD is a Emergency Medicine healthcare provider located in APPLETON, Wisconsin. NPI 1225072184 is currently active in the NPPES registry. Verify at CMS.
Emergency Medicine · APPLETON, WI
Registration Details
- NPI Number
- 1225072184
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 15, 2006 (19.978661023639 yrs)
- Last Updated
- Oct 16, 2025
- License
-
35701 (WI)
Practice Information
- Address
-
3925 N GATEWAY DRAPPLETON, WI, 549137863Browse WI providers · Browse ZIP 54913
- Phone
- 9207026371
- Primary Specialty
-
Emergency Medicine
207P00000X
Other Emergency Medicine Providers in APPLETON, WI
| Name | Credential | NPI |
|---|---|---|
| MICHAEL D POLKA | M.D. | 1144242223 |
| SEAN R MCCLOY | DO | 1942377577 |
| JOJO DENSEL HAMMOND | — | 1346414091 |
| DR. LAUREN K BARLOW | M.D. | 1417244518 |
| JARED STEVEN ZELINSKI | M.D. | 1831473248 |
| SARAH L. HOLETS | D.O. | 1124380803 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.