Quick answers
- Which hospitals does Catherine E. Keegan work at?
- Medicare's official clinician data lists Catherine E. Keegan at 1 hospital: University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine E. Keegan see patients?
- Medicare's clinician data lists 1 practice location in Ann Arbor, MI. Call before your visit to confirm the address.
- What is Catherine E. Keegan's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Catherine E. Keegan accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine E. Keegan 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 Catherine E. Keegan?
- (734) 764-5302, as listed in official Medicare / NPI Registry data.
- What is Catherine E. Keegan's NPI number?
- 1144230764. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catherine E. Keegan works
Medicare's Facility Affiliation Data lists Catherine E. Keegan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · CCN 230046
Practice locations
Addresses where Catherine E. Keegan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 E Medical Ctr Dr, 6th Floor Mott Hospital Rm F3894Ann Arbor, MI 48109 (734) 764‑5302
Group practices
Medicare enrollment lists Catherine E. Keegan as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144230764 |
| 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