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

Dr. Jonathan F Williams, D0

Individual provider Gastroenterology Physician · NPI 1013195650

Dr. Jonathan F Williams, D0 is a Gastroenterology in Kenilworth, Illinois. Qualified in 2002, 24 years ago. Practices with Mercy Health System Corporation, a 751-clinician group and offers telehealth. Licensed in Illinois.

Years since qualifying
24
Licensed in
IL
In the registry since
2008

Practice location Address checks out

510 Green Bay Rd
Kenilworth, IL 60043-1002
Phone: (847) 256-3400
Fax: (847) 256-3412
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 036-111829 (IL)

Record details

NPI number1013195650
Entity typeIndividual (Type 1)
GenderMale
Credentials D0
Sole proprietorNo
NPI enumeratedFebruary 6, 2008
Last updated in NPPESMay 31, 2013
Mailing address510 Green Bay Rd, Kenilworth, IL 60043-1002

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Kenilworth