Quick answers
- Which hospitals does Mark J. Twardzik work at?
- Medicare's official clinician data lists Mark J. Twardzik at 2 hospitals: Atlanticare Regional Medical Center - City Campus and Shore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Twardzik see patients?
- Medicare's clinician data lists 3 practice locations, including Philadelphia, PA and Atlantic City, NJ. Call before your visit to confirm the address.
- What is Mark J. Twardzik's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does Mark J. Twardzik accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Twardzik 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 J. Twardzik?
- (215) 923-2455, as listed in official Medicare / NPI Registry data.
- What is Mark J. Twardzik's NPI number?
- 1801965090. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Twardzik works
Medicare's Facility Affiliation Data lists Mark J. Twardzik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Atlanticare Regional Medical Center - City CampusAtlantic City, NJ · Acute Care Hospital · CCN 310064
- Shore Medical CenterSomers Point, NJ · Acute Care Hospital · CCN 310047
Practice locations
Addresses where Mark J. Twardzik is enrolled with Medicare (CMS data updated 2026-10-02).
- 123 Chestnut St, Suite 208Philadelphia, PA 19106 (215) 923‑2455
- 1546 Packer AvePhiladelphia, PA 19145 (215) 334‑9900
- 4503 Atlantic AveAtlantic City, NJ 08401 (609) 344‑3900
Group practices
Medicare enrollment lists Mark J. Twardzik as a member of these groups (CMS data updated 2026-10-02).
- Integrated Foot and Ankle Specialists of PA LLC27 clinicians in the group
- Integrated Foot and Ankle Specialists of NJ LLC12 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Medical school | Temple University School Of Podiatric Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801965090 |
| 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