HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IL

NATHAN WALLENFANG, NP

NURSE PRACTITIONER

Graduated: 2015

Offers telehealth

NPI: 1386090512

Practice Locations (7)

ADVOCATE HEALTH AND HOSPITALS CORPORATION

214 MCHENRY RD

BUFFALO GROVE, IL 600896748

8474591160

ADVOCATE HEALTH AND HOSPITALS CORPORATION

4025 N WESTERN AVE

CHICAGO, IL 606183726

7732757700

ADVOCATE HEALTH AND HOSPITALS CORPORATION

1435 W WEBSTER AVE

CHICAGO, IL 606143049

6303681771

ADVOCATE HEALTH AND HOSPITALS CORPORATION

4025 N WESTERN AVE, BLDG E

CHICAGO, IL 606183726

7732963300

ADVOCATE HEALTH AND HOSPITALS CORPORATION

77 RAND RD

DES PLAINES, IL 600161005

8472945490

ADVOCATE HEALTH AND HOSPITALS CORPORATION

1441 BRANDING AVE

DOWNERS GROVE, IL 605155624

6308291084

AURORA MEDICAL GROUP, INC.

5000 MEMORIAL DR

TWO RIVERS, WI 542413900

9207945000

Source: CMS National Downloadable File, September 2026.