Quick answers
- Which hospitals does Mark Tratenberg work at?
- Medicare's official clinician data lists Mark Tratenberg at 2 hospitals: Morristown Medical Center and Robert Wood Johnson University Hospital - Somerset…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Tratenberg see patients?
- Medicare's clinician data lists 3 practice locations, including Dover, NJ and Succasunna, NJ. Call before your visit to confirm the address.
- What is Mark Tratenberg's specialty?
- Medicare lists Rheumatology as the primary specialty, and also Internal Medicine.
- Does Mark Tratenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Tratenberg 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 Tratenberg?
- (973) 989-0500, as listed in official Medicare / NPI Registry data.
- What is Mark Tratenberg's NPI number?
- 1780812461. 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 Tratenberg works
Medicare's Facility Affiliation Data lists Mark Tratenberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Robert Wood Johnson University Hospital - Somerset…Somerville, NJ · Acute Care Hospital · CCN 310048
Practice locations
Addresses where Mark Tratenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Mount Pleasant Ave, Suite CDover, NJ 07801 (973) 989‑0500
- 66 Sunset StripSuccasunna, NJ 07876 (973) 989‑0500
- 66 Sunset Strip, Suite 207Succasunna, NJ 07876 (973) 584‑1391
Group practices
Medicare enrollment lists Mark Tratenberg as a member of these groups (CMS data updated 2026-10-02).
- Arthritis and Allergy Associates LLC6 clinicians in the group
- Allergy and Arthritis Associates5 clinicians in the group
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in Dover
Clinicians with the same Medicare primary specialty in Dover, NJ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780812461 |
| 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