Quick answers
- Which hospitals does Margarita E. Pena work at?
- Medicare's official clinician data lists Margarita E. Pena at 1 hospital: Henry Ford Health St John Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margarita E. Pena see patients?
- Medicare's clinician data lists 2 practice locations, including Troy, MI and Southfield, MI. Call before your visit to confirm the address.
- What is Margarita E. Pena's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Margarita E. Pena accept Medicare assignment?
- Yes. Medicare's clinician data says Margarita E. Pena 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 Margarita E. Pena offer telehealth?
- Medicare's clinician data says Margarita E. Pena offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Margarita E. Pena?
- (413) 438-2273, as listed in official Medicare / NPI Registry data.
- What is Margarita E. Pena's NPI number?
- 1104871565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margarita E. Pena works
Medicare's Facility Affiliation Data lists Margarita E. Pena at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
Practice locations
Addresses where Margarita E. Pena is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 W Big Beaver Rd, Suite 200Troy, MI 48084 (413) 438‑2273
- 16001 W 9 Mile RdSouthfield, MI 48075 (248) 849‑3000
Group practices
Medicare enrollment lists Margarita E. Pena as a member of these groups (CMS data updated 2026-10-02).
- Independent Emergency Physicians PC205 clinicians in the group
- Independent Observation Physicians PLLC141 clinicians in the group
- Careway Health Medical West PC6 clinicians in the group
- Careway Health Medical PA3 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Troy
Clinicians with the same Medicare primary specialty in Troy, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Illinois Medical College |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104871565 |
| 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