Quick answers
- Which hospitals does Mark D. Widmann work at?
- Medicare's official clinician data lists Mark D. Widmann at 5 hospitals: Ahs Hospital Corp, Chilton Medical Center, Morristown Medical Center, Newton Medical Center and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Widmann see patients?
- Medicare's clinician data lists 1 practice location in Morristown, NJ. Call before your visit to confirm the address.
- What is Mark D. Widmann's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also General Surgery.
- Does Mark D. Widmann accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. Widmann 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.
- Does Mark D. Widmann offer telehealth?
- Medicare's clinician data says Mark D. Widmann offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark D. Widmann?
- (973) 971-5596, as listed in official Medicare / NPI Registry data.
- What is Mark D. Widmann's NPI number?
- 1982674248. 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 D. Widmann works
Medicare's Facility Affiliation Data lists Mark D. Widmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahs Hospital CorpHackettstown, NJ · Acute Care Hospital · CCN 310115
- Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · CCN 310017
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · CCN 310028
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
Practice locations
Addresses where Mark D. Widmann is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Madison AveMorristown, NJ 07960 (973) 971‑5596
Group practices
Medicare enrollment lists Mark D. Widmann as a member of this group (CMS data updated 2026-10-02).
- Practice Associates Medical Group1,408 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- General Surgeryalso
Other thoracic surgeons in Morristown
Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982674248 |
| 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