Dr. John Dennis Allendorf, MD
Dr. John Dennis Allendorf, MD is a General Surgery in Mineola, New York. Graduated from Columbia University College of Physicians and Surgeons in 1997, 29 years ago. Practices with New York University, a 5,884-clinician group and accepts Medicare assignment. Licensed in New York.
- Years since qualifying
- 29
- Trained at
- Columbia University College of Physicians and Surgeons
- Licensed in
- NY
- In the registry since
- 2006
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
120 Mineola Blvd Ste 320Mineola, NY 11501-4064
Phone: (516) 663-3300
Fax: (516) 663-2136
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Surgical Oncology Physician (primary) | Taxonomy 2086X0206X · Licence 212487 (NY) |
|---|---|
| Surgery Physician | Taxonomy 208600000X · Licence 212487 (NY) |
Record details
| NPI number | 1740364397 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | October 24, 2006 |
| Last updated in NPPES | May 13, 2026 |
| Certification date | May 13, 2026 |
Medicare enrollment
| Medicare specialty | GENERAL SURGERY |
|---|---|
| Medical school | COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS |
| Graduated | 1997 (29 years in practice) |
| Group practice | New York University — 5884 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 3 on file with Medicare |
Other providers in Mineola
-
Ibrahim Abd El-Shafy, MD
173 Mineola Blvd Ste 401, Mineola, NY 11501-2555 · (516) 663-1145
-
Tulio Brasileiro Silva Pacheco, MD
222 Station Plz N Ste 300, Mineola, NY 11501-3893 · (516) 663-8707
-
Carlos A. Romero, MD, PC
173 Mineola Blvd, Mineola, NY 11501-2528 · (516) 741-6464
-
Jonas Demuro, MD
120 Mineola Blvd Ste 320, Mineola, NY 11501-4064 · (516) 663-3300
-
Dr. Amanda Grace Gaccione, MD
259 1st St, Mineola, NY 11501-3957 · (516) 663-0333