Quick answers
- Which hospitals does Risa L. Zimmerman work at?
- Medicare's official clinician data lists Risa L. Zimmerman at 1 hospital: The Nebraska Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Risa L. Zimmerman see patients?
- Medicare's clinician data lists 2 practice locations, including Omaha, NE. Call before your visit to confirm the address.
- What is Risa L. Zimmerman's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Risa L. Zimmerman accept Medicare assignment?
- Yes. Medicare's clinician data says Risa L. Zimmerman 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 Risa L. Zimmerman?
- (402) 991-7000, as listed in official Medicare / NPI Registry data.
- What is Risa L. Zimmerman's NPI number?
- 1659322840. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Risa L. Zimmerman works
Medicare's Facility Affiliation Data lists Risa L. Zimmerman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Nebraska Medical CenterOmaha, NE · Acute Care Hospital · CCN 280013
Practice locations
Addresses where Risa L. Zimmerman is enrolled with Medicare (CMS data updated 2026-10-02).
- 17841 Pierce PlzOmaha, NE 68130 (402) 991‑7000
- 7100 W Ctr RdOmaha, NE 68106 (402) 506‑9000
Group practices
Medicare enrollment lists Risa L. Zimmerman as a member of this group (CMS data updated 2026-10-02).
- Think Aksarben LLC79 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Omaha
Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659322840 |
| 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