Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

GERALD J. KALLAS, M.D.

Active Sole Proprietor

GERALD J. KALLAS, M.D. is a Internal Medicine healthcare provider located in OCONOMOWOC, Wisconsin. NPI 1770959462 is currently active in the NPPES registry. Verify at CMS.

Internal Medicine · OCONOMOWOC, WI

Registration Details

NPI Number: 1770959462
Provider Type: Individual
Gender: Male
NPI Issued: Aug 17, 2015 (11.002410447312 yrs)
Last Updated: Aug 17, 2015
License: 14655-20 (WI)
Sole Proprietor: Yes

Practice Information

Address: 1437 N SUMMIT AVE

OCONOMOWOC, WI, 530669461
Browse WI providers · Browse ZIP 53066
Phone: 4143221434
Primary Specialty: Internal Medicine
207R00000X

Other Internal Medicine Providers in OCONOMOWOC, WI

Name	Credential	NPI
BRENDA L. BOSCHEK	M.D.	1154393833
DAVID D. SCHLOMER	M.D.	1952373581
BRETT A. LINZER	M.D.	1083686653
CHRIS YIANNIAS	D.O.	1750356713
WILLIAM R. COOPER	MD	1023078037
ERIC P CONRADSON	M.D.	1518976232

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.