William T Derosa, DO
William T Derosa, DO is a Medical Oncology in Morristown, New Jersey. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1980, 46 years ago. Practices with Barnabas Health Medical Group PC, a 1,025-clinician group and accepts Medicare assignment. Licensed in New Jersey.
- Years since qualifying
- 46
- Trained at
- At Still University of Health Sciences, College of Osteo Med, Kirksville
- Licensed in
- NJ
- In the registry since
- 2005
- Specialties on file
- 3
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
95 Madison AveMorristown, NJ 07960-6092
Phone: (973) 538-5210
Fax: (973) 644-9657
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Medical Oncology Physician (primary) | Taxonomy 207RX0202X · Licence 25MB03927200 (NJ) |
|---|---|
| Hematology (Internal Medicine) Physician | Taxonomy 207RH0000X · Licence 25MB03927200 (NJ) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 25MB03927200 (NJ) |
Record details
| NPI number | 1902894991 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | October 12, 2005 |
| Last updated in NPPES | April 8, 2026 |
| Certification date | April 8, 2026 |
| Mailing address | 95 Madison Ave, Morristown, NJ 07960-6092 |
Medicare enrollment
| Medicare specialty | MEDICAL ONCOLOGY |
|---|---|
| Also practises | HEMATOLOGY |
| Medical school | AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE |
| Graduated | 1980 (46 years in practice) |
| Group practice | Barnabas Health Medical Group Pc — 1025 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |