Quick answers
- Does Ernest A. Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest A. Hayes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ernest A. Hayes's NPI number?
- 1083776678. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernest A. Hayes works
Medicare's Facility Affiliation Data lists Ernest A. Hayes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- South Shore HospitalChicago, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140181
Practice locations
Addresses where Ernest A. Hayes is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 E Randolph St, Apt 3730Chicago, IL 60601 (708) 333‑3030
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 1969 (57 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083776678 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians