Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John J Karl, FNP-C

Individual provider Registered Nurse First Assistant · NPI 1487701728

John J Karl, FNP-C is a Nurse Practitioner in Olympia Fields, Illinois. Qualified in 2018, 8 years ago. Practices with Franciscan Physician Network, a 1,171-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
8
Licensed in
IL, IN
In the registry since
2007
Specialties on file
7
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

3700 W 203rd St Ste 302
Olympia Fields, IL 60461-1182
Phone: (708) 679-2518
Fax: (708) 679-2519
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 24 Joliet St Ste 302, Dyer, IN 46311-1705 — (219) 852-2518

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209019289 (IL)
Registered Nurse First Assistant Taxonomy 163WR0006X · Licence 041-258664 (IL)
Registered Nurse First Assistant Taxonomy 163WR0006X · Licence 71009040A (IN)
Nurse Practitioner Taxonomy 363L00000X · Licence 28163347A (IN)
Nurse Practitioner Taxonomy 363L00000X · Licence 041258664 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 71009040A (IN)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209.019289 (IL)

Record details

NPI number1487701728
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJanuary 5, 2007
Last updated in NPPESOctober 5, 2023
Certification dateOctober 5, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Franciscan Physician Network — 1171 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare