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

Guadalupe S Sitjar, MD

Individual provider Internal Medicine Physician · NPI 1497870315

Guadalupe S Sitjar, MD is an Internal Medicine in Gurnee, Illinois. Qualified in 1970, 56 years ago. Practices with Physicians House Calls, a 6-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
56
Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

135 N Greenleaf Ste #224
Gurnee, IL 60031-3371
Phone: (847) 336-9159
Fax: (847) 336-9159
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1497870315
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Group practice Physicians House Calls — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Gurnee