4.4
7 Ratings with 4 written Reviews
Summary
Dr. John Niedzwicki specializes in oncology, bringing four decades of medical experience to his practice. He earned his medical degree from George Washington University School of Medicine & Health Sciences and completed his residency at Rhode Island Hospital. Dr. Niedzwicki is fluent in Spanish, Portuguese, and English.
Dr. Niedzwicki practices at Saint Annes Hospital and Morton Hospital, with locations in Dartmouth and North Dartmouth, Massachusetts. He focuses on treating various types of anemia, including iron deficiency and vitamin deficiencies. His expertise includes performing blood tests and complete blood counts to help diagnose and monitor patient conditions. Patients have given him an average rating of 4.4 out of 5 stars.
Dr. Niedzwicki practices at Saint Annes Hospital and Morton Hospital, with locations in Dartmouth and North Dartmouth, Massachusetts. He focuses on treating various types of anemia, including iron deficiency and vitamin deficiencies. His expertise includes performing blood tests and complete blood counts to help diagnose and monitor patient conditions. Patients have given him an average rating of 4.4 out of 5 stars.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 40 years of experience
- speaks Spanish, Portuguese, English
- 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 | Amy Lynn Doorley | Dr. Arun Muthiah | Dr. Prashanth Reddy Moku |
| Oncology | Nurse Practitioner | Internal Medicine | Internal Medicine |
| Accepts New Patients | |||
| 40 Years of Experience | 7 Years of Experience | 5 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, Portuguese, English | |||
| Dartmouth , MA | Providence , RI | Cleveland , OH | New Haven , CT |
| Med School: George Washington University School Of Medicine & Health Sciences | Med School: George Washington University School Of Medicine & Health Sciences | Med School: Pennsylvania State University College 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
- What languages does Dr. John Niedzwicki speak?
- Dr. John Niedzwicki speaks Spanish, Portuguese, and English.
- 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.
- 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.
- Does Dr. John Niedzwicki accept my insurance?
- You can see the insurance plans that Dr. John Niedzwicki accepts on their Vitals profile.
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