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

Harry Siavelis, MD

Individual provider Surgery Physician · NPI 1255310736

Harry Siavelis, MD is a General Surgery in Elmhurst, Illinois. Qualified in 1993, 33 years ago. Practices with Dupage Medical Group Ltd, a 1,328-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 S York Rd Ste 4220
Elmhurst, IL 60126-5626
Phone: (630) 758-8838
Fax: (630) 758-8846
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 036091964 (IL)

Record details

NPI number1255310736
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2006
Last updated in NPPESAugust 22, 2023
Certification dateAugust 22, 2023

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Dupage Medical Group Ltd — 1328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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