4.4
7 Ratings with 4 written Reviews
Summary
Dr. John Niedzwicki is an oncologist who earned his medical degree from George Washington University School of Medicine & Health Sciences. He completed his residency at Rhode Island Hospital and has dedicated four decades to caring for cancer patients. Dr. Niedzwicki is fluent in English, Portuguese, and Spanish.
Dr. Niedzwicki practices at Saint Annes Hospital and Morton Hospital, with locations in Dartmouth and North Dartmouth, Massachusetts. He specializes in treating conditions such as iron deficiency anemia, chronic lymphocytic leukemia, and short bowel syndrome. His expertise includes home infusion therapy and comprehensive infusion treatments delivered through specialized clinic settings. Patients rate him 4.4 out of 5 stars on average.
Dr. Niedzwicki practices at Saint Annes Hospital and Morton Hospital, with locations in Dartmouth and North Dartmouth, Massachusetts. He specializes in treating conditions such as iron deficiency anemia, chronic lymphocytic leukemia, and short bowel syndrome. His expertise includes home infusion therapy and comprehensive infusion treatments delivered through specialized clinic settings. Patients rate him 4.4 out of 5 stars on average.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 40 years of experience
- speaks English, Portuguese, Spanish
- Rhode Island Hospital
- 4 written reviews
- 1 specialty
- 6 areas of expertise
- 1 board certification
- 2 hospital affiliations
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Gregory Niedzwicki has 5 locationsHawthorn Medical Associates
535 Faunce Corner RdDartmouth, MA 02747 Tel: (508) 996-3991
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. John Gregory Niedzwicki, MD | Phyllis Dora Kelliher | Dr. Muhammad Saeed Akhtar, MD | Dr. Patrick Thomas Mcgann, MD |
| Oncology | Nurse Practitioner | Oncology | Oncology |
| Accepts New Patients | Accepts New Patients | ||
| 40 Years of Experience | 40 Years of Experience | 20 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Portuguese, Spanish | Speaks English, Portuguese | Speaks English, Portuguese, Spanish | Speaks English |
| Dartmouth , MA | North Dartmouth , MA | East Providence , RI | Providence , RI |
| Med School: George Washington University School Of Medicine & Health Sciences | Med School: King Edward Medical University | Med School: Tufts University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Gregory Niedzwicki
Medical Specialties
Dr. John Gregory Niedzwicki has the following specialty
Specialty Expertise
Dr. John Gregory Niedzwicki has the following 6 areas of expertise
Certifications, License, & Education
40 Years Experience
Dr. John Gregory Niedzwicki holds an expired medical license in the state of Massachusetts.
Medical License
Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2026.
Education & Training
Residency
Completed their residency at Rhode Island Hospital.
Medical School
Graduated from George Washington University School Of Medicine & Health Sciences in 1986.
NPI Number
Dr. Niedzwicki's NPI number is 1306812367.
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Frequently Asked Questions
- Is Dr. John Niedzwicki accepting new patients?
- Dr. John Niedzwicki is accepting new patients on Vitals. View Dr. John Niedzwicki's profile on Vitals to make an appointment.
- Does Dr. John Niedzwicki accept my insurance?
- You can see the insurance plans that Dr. John Niedzwicki accepts on their Vitals profile.
- What languages does Dr. John Niedzwicki speak?
- Dr. John Niedzwicki speaks English, Portuguese, and Spanish.
- Which hospitals is Dr. John Niedzwicki affiliated with?
- Dr. John Niedzwicki is affiliated with Saint Annes Hospital and Morton Hospital.
- Where is Dr. John Niedzwicki's office located?
- Dr. John Niedzwicki's office is located at 535 Faunce Corner Rd, Dartmouth, MA, 02747.
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