Quick answers
- Which hospitals does Sara H. Hammer work at?
- Medicare's official clinician data lists Sara H. Hammer at 1 hospital: Advocate Illinois Masonic Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara H. Hammer see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Sara H. Hammer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Sara H. Hammer accept Medicare assignment?
- Yes. Medicare's clinician data says Sara H. Hammer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sara H. Hammer?
- (773) 736-6125, as listed in official Medicare / NPI Registry data.
- What is Sara H. Hammer's NPI number?
- 1144858457. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara H. Hammer works
Medicare's Facility Affiliation Data lists Sara H. Hammer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
Practice locations
Addresses where Sara H. Hammer is enrolled with Medicare (CMS data updated 2026-10-02).
- 3936 N Milwaukee AveChicago, IL 60641 (773) 736‑6125
Group practices
Medicare enrollment lists Sara H. Hammer as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144858457 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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