Quick answers
- Which hospitals does Harold Margolis work at?
- Medicare's official clinician data lists Harold Margolis at 2 hospitals: Beaumont Hospital - Farmington Hills and Beaumont Hospital Royal Oak. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Harold Margolis see patients?
- Medicare's clinician data lists 1 practice location in Farmington Hills, MI. Call before your visit to confirm the address.
- What is Harold Margolis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Harold Margolis accept Medicare assignment?
- Yes. Medicare's clinician data says Harold Margolis 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 Harold Margolis?
- (248) 477-0552, as listed in official Medicare / NPI Registry data.
- What is Harold Margolis's NPI number?
- 1104800986. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Harold Margolis works
Medicare's Facility Affiliation Data lists Harold Margolis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · CCN 230151
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · CCN 230130
Practice locations
Addresses where Harold Margolis is enrolled with Medicare (CMS data updated 2026-10-02).
- 27900 Grand River Ave, Suite 220Farmington Hills, MI 48336 (248) 477‑0552
Group practices
Medicare enrollment lists Harold Margolis as a member of this group (CMS data updated 2026-10-02).
- Michigan Healthcare Professionals PC529 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Farmington Hills
Clinicians with the same Medicare primary specialty in Farmington Hills, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 1967 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104800986 |
| 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