Quick answers
- Which hospitals does Mariel R. Benjamin work at?
- Medicare's official clinician data lists Mariel R. Benjamin at 2 hospitals: Edward W Sparrow Hospital and University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mariel R. Benjamin see patients?
- Medicare's clinician data lists 4 practice locations, including Ann Arbor, MI and Brighton, MI. Call before your visit to confirm the address.
- What is Mariel R. Benjamin's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
- Does Mariel R. Benjamin accept Medicare assignment?
- Yes. Medicare's clinician data says Mariel R. Benjamin 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 Mariel R. Benjamin offer telehealth?
- Medicare's clinician data says Mariel R. Benjamin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mariel R. Benjamin?
- (810) 263-4000, as listed in official Medicare / NPI Registry data.
- What is Mariel R. Benjamin's NPI number?
- 1477895373. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mariel R. Benjamin works
Medicare's Facility Affiliation Data lists Mariel R. Benjamin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- University of Michigan Health SystemAnn Arbor, MI · Acute Care Hospital · CCN 230046
Practice locations
Addresses where Mariel R. Benjamin is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Frank Lloyd Wright DrAnn Arbor, MI 48105
- 380 Parkland PlzAnn Arbor, MI 48103
- 7500 Challis RdBrighton, MI 48116 (810) 263‑4000
- 8001 Challis RdBrighton, MI 48116
Group practices
Medicare enrollment lists Mariel R. Benjamin as a member of this group (CMS data updated 2026-10-02).
- Regents of the University of Michigan3,346 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in Ann Arbor
Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477895373 |
| 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