Dr. Mark A. Tratenberg, D.O.
Rheumatology (Rheumatology Physician)
- Medicare participating
At a glance
- Medical school
- Philadelphia College of Osteopathic Medicine (2009)
- Years since graduation
- 17
- In the NPI registry since
- 2009
- Medicare patients seen, 2024
- 436
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2009Medical school: Philadelphia College of Osteopathic Medicine
- 2009Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Rheumatology Physician primary
NJ license 25MB09737900
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Morristown Medical Center Morristown, NJ
- Robert Wood Johnson University Hospital - Somerset Somerville, NJ
Medical groups
- Arthritis and Allergy Associates LLC (6 clinicians)
- Allergy and Arthritis Associates (5 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 436
- Services billed
- 96,541
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 34,400 | 20 |
| Injection, denosumab, 1 mg | 1,140 | 13 |
| Established patient office or other outpatient visit, 30-39 minutes | 329 | 200 |
| Established patient office or other outpatient visit, 20-29 minutes | 278 | 178 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 216 | 42 |
| New patient office or other outpatient visit, 45-59 minutes | 109 | 109 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 105 | 24 |
| Aspiration and/or injection of fluid from large joint | 79 | 32 |
| Established patient office or other outpatient visit, 10-19 minutes | 78 | 23 |
| New patient office or other outpatient visit, 60-74 minutes | 55 | 55 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 16 companies reported 257 payments worth $9,358 in total to this clinician.
| Novartis Pharmaceuticals Corporation | $4,271 |
|---|---|
| Janssen Biotech, Inc. | $3,233 |
| AbbVie Inc. | $580 |
| UCB, Inc. | $452 |
| Amgen Inc. | $205 |
| Fresenius Kabi USA, LLC | $181 |
| Ani Pharmaceuticals, Inc. | $72.94 |
| Mallinckrodt Hospital Products Inc. | $70.91 |
| Consulting Fee | $4,950 |
|---|---|
| Food and Beverage | $3,898 |
| Travel and Lodging | $355 |
| Education | $156 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Novartis Pharmaceuticals Corporation Nov 21, 2025 | Consulting Fee | $3,150 |
| Janssen Biotech, Inc. Dec 22, 2025 | Consulting Fee TREMFYA · Immunology | $1,800 |
| Novartis Pharmaceuticals Corporation Nov 7, 2025 | Travel and Lodging travel to East Hanover, NJ | $244 |
| Novartis Pharmaceuticals Corporation Nov 8, 2025 | Travel and Lodging travel to East Hanover, NJ | $110 |
| Janssen Biotech, Inc. Jul 31, 2025 | Education TREMFYA · Immunology · in-kind | $99.99 |
| Janssen Biotech, Inc. Mar 12, 2025 | Education TREMFYA · Immunology · in-kind | $54.99 |
| Amgen Inc. Aug 5, 2025 | Education KRYSTEXXA · Inflammation/Rare Disease · in-kind | $0.80 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.