Quick answers
- Where does Marcus Joseph see patients?
- Medicare's clinician data lists 3 practice locations, including Eldersburg, MD and Brookline, MA. Call before your visit to confirm the address.
- What is Marcus Joseph's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Marcus Joseph accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus Joseph 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 Marcus Joseph?
- (410) 261-4430, as listed in official Medicare / NPI Registry data.
- What is Marcus Joseph's NPI number?
- 1619858412. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marcus Joseph is enrolled with Medicare (CMS data updated 2026-10-02).
- 1332 Londontown BlvdEldersburg, MD 21784 (410) 261‑4430
- 54 Harvard StBrookline, MA 02445 (617) 262‑0030
- 62 Harvard St, Suite 1Brookline, MA 02445 (617) 262‑0030
Group practices
Medicare enrollment lists Marcus Joseph as a member of these groups (CMS data updated 2026-10-02).
- True Sports Physical Therapy, LLC61 clinicians in the group
- Boston Sports Medicine Inc28 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Maryland →
Other physical therapists in Eldersburg
Clinicians with the same Medicare primary specialty in Eldersburg, MD — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619858412 |
| 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
- 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