Quick answers
- Which hospitals does Michael J. Marion work at?
- Medicare's official clinician data lists Michael J. Marion at 1 hospital: University of MD St Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Marion see patients?
- Medicare's clinician data lists 3 practice locations, including Bel Air, MD and Towson, MD. Call before your visit to confirm the address.
- What is Michael J. Marion's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Michael J. Marion accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Marion 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 Michael J. Marion?
- (410) 569-8587, as listed in official Medicare / NPI Registry data.
- What is Michael J. Marion's NPI number?
- 1679595425. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Marion works
Medicare's Facility Affiliation Data lists Michael J. Marion at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of MD St Joseph Medical CenterTowson, MD · Acute Care Hospital · CCN 210063
Practice locations
Addresses where Michael J. Marion is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 Plumtree Rd, Suite 301Bel Air, MD 21015 (410) 569‑8587
- 8322 Bellona AveTowson, MD 21204
- 8322 Bellona Ave, Suite 300Towson, MD 21204 (410) 337‑7900
Group practices
Medicare enrollment lists Michael J. Marion as a member of this group (CMS data updated 2026-10-02).
- University of Maryland St. Joseph Orthopaedics, LLC36 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679595425 |
| 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