Quick answers
- Where does Mark A. Oswald see patients?
- Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
- What is Mark A. Oswald's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark A. Oswald accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Oswald 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 Mark A. Oswald?
- (267) 338-3411, as listed in official Medicare / NPI Registry data.
- What is Mark A. Oswald's NPI number?
- 1215935655. 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 Mark A. Oswald is enrolled with Medicare (CMS data updated 2026-10-02).
- 330 W Oregon Ave, Suite 170Philadelphia, PA 19148 (267) 338‑3411
Group practices
Medicare enrollment lists Mark A. Oswald as a member of this group (CMS data updated 2026-10-02).
- Dedicated Pennsylvania Holding LLC17 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215935655 |
| 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