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

Individual provider Obstetrics & Gynecology Physician · NPI 1124256854

Dr. Ellen Therese Haas, MD is an Obstetrics/Gynecology in Peoria, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2009, 17 years ago. Practices with Thornton and Haas, SC, a 2-clinician group. Licensed in Illinois.

Years since qualifying
17
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
In the registry since
2009
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

530 NE Glen Oak Ave
Peoria, IL 61637-0001
Phone: (309) 655-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 125.056269 (IL)

Record details

NPI number1124256854
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2009
Last updated in NPPESJuly 1, 2009

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2009 (17 years in practice)
Group practice Thornton And Haas, S.C. — 2 clinicians
Accepts Medicare assignment Not indicated

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