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

Constantine Geor Delis, DO

Individual provider Nephrology Physician · NPI 1003892043

Constantine Geor Delis, DO is a Nephrology in Melrose Park, Illinois. Graduated from Chicago College of Osteopathy in 1993, 33 years ago. Practices with Associates in Nephrology SC, a 52-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
Chicago College of Osteopathy
Licensed in
IL
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

675 W North Ave Ste 209
Melrose Park, IL 60160-1630
Phone: (312) 654-2744
Fax: (708) 338-1790
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 036092711 (IL)

Record details

NPI number1003892043
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 21, 2005
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025
Mailing address210 S Desplaines St, Chicago, IL 60661-5500

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolCHICAGO COLLEGE OF OSTEOPATHY
Graduated 1993 (33 years in practice)
Group practice Associates In Nephrology Sc — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Melrose Park