Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Ellen T. Haas, MD

Works at hospitals in Normal, IL · Bloomington, IL · Illinois

Summary

Ellen T. Haas, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Normal, IL and Bloomington, IL. NPI 1124256854. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ellen T. Haas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
May acceptAccepts Medicare assignment
17Years since medical school (graduated 2009)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
FemaleGender (as listed)
Thornton and Haas, S.C.Group practice

Quick answers

Which hospitals does Ellen T. Haas work at?
Medicare's official clinician data lists Ellen T. Haas at 2 hospitals: Carle Bromenn Medical Center and St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ellen T. Haas see patients?
Medicare's clinician data lists 1 practice location in Normal, IL. Call before your visit to confirm the address.
What is Ellen T. Haas's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Ellen T. Haas accept Medicare assignment?
Medicare's clinician data says Ellen T. Haas may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Ellen T. Haas?
(309) 888-9900, as listed in official Medicare / NPI Registry data.
What is Ellen T. Haas's NPI number?
1124256854. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ellen T. Haas works

Medicare's Facility Affiliation Data lists Ellen T. Haas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ellen T. Haas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ellen T. Haas as a member of this group (CMS data updated 2026-10-02).

  • Thornton and Haas, S.C.2 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All OB-GYNs in Illinois →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2009
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1124256854
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians