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

Individual provider Hematology & Oncology Physician · NPI 1861484628

Dr. Hector Alejandro Preti, MD is a Hematology/Oncology in Chicago, Illinois. Qualified in 1986, 40 years ago. Practices with Aurora Health Care Central, Inc, a 10-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
40
Licensed in
IL, WI
In the registry since
2005
Specialties on file
2
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

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone: (773) 702-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1222 N 23rd St, Sheboygan, WI 53081-3171 — (920) 457-6800

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 103672-875 (WI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 036158567 (IL)

Record details

NPI number1861484628
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 18, 2005
Last updated in NPPESMay 20, 2026
Certification dateMay 20, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Aurora Health Care Central, Inc. — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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