Quick answers
- Which hospitals does Catherine Giles work at?
- Medicare's official clinician data lists Catherine Giles at 5 hospitals: Chelsea Hospital, St Joe Mercy Hospital System Livonia, Trinity Health Ann Arbor Hospital, Trinity Health Livingston Hospital and University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine Giles see patients?
- Medicare's clinician data lists 8 practice locations, including Ann Arbor, MI, Brighton, MI and Pontiac, MI. Call before your visit to confirm the address.
- What is Catherine Giles's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Catherine Giles accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine Giles 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.
- Does Catherine Giles offer telehealth?
- Medicare's clinician data says Catherine Giles offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Catherine Giles?
- (734) 936-4000, as listed in official Medicare / NPI Registry data.
- What is Catherine Giles's NPI number?
- 1710533799. 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 Giles works
Medicare's Facility Affiliation Data lists Catherine Giles at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chelsea HospitalChelsea, MI · Acute Care Hospital · CCN 230259
- St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · CCN 230002
- Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · CCN 230156
- Trinity Health Livingston HospitalBrighton, MI · Acute Care Hospital · CCN 230069
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · CCN 230046
Practice locations
Addresses where Catherine Giles is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1500 E Medical Ctr DrAnn Arbor, MI 48109 (734) 936‑4000
- 2305 Genoa Bus Park DrBrighton, MI 48114
- 44428 Woodward Ave, Suite 102Pontiac, MI 48341 (734) 712‑8700
- 51341 W Huron River DrVan Buren, MI 48111
- 5301 E Huron River DrYpsilanti, MI 48197
Group practices
Medicare enrollment lists Catherine Giles as a member of these groups (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710533799 |
| 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