Dr. Douglas P. Sieminski, D.O., is board-certified in Family Practice through the American Board of Osteopathic Family Physicians. He earned his medical degree from New York College of Osteopathic Medicine in 2003 and completed his residency at Union Hospital in 2006, where he served as Chief Resident.
Dr. Douglas P. Sieminski, D.O., is board-certified in Family Practice through the American Board of Osteopathic Family Physicians. He earned his medical degree from New York College of Osteopathic Medicine in 2003 and completed his residency at Union Hospital in 2006, where he served as Chief Resident.
The reviews listed below were collected independently of Skylands Medical Group Andover through rater8. Each review represents an authentic and verified patient experience.
Always listens and willing to discuss. Asks lots of questions. Very little wait time in office
(2 days ago)
Jul-2026
Professional, friendly and helpful staff. Dr. Sieminski has been my P.C.D. for over 11 years. He listens and always answers all my questions. He is always concerned about my health issues.
(3 days ago)
Jul-2026
Love his demeaner. Calm and relaxed which rubs off on his
Patients I’m sure.
(1 week ago)
Jul-2026
His care for his patients is unmatched. When I have to see Dr. Sieminski, he legitimately cares about my well being. Most doctors seem to rush through exams or checkups. He takes his time to speak with you and make you feel informed and comfortable by the time you leave. Dr. Sieminski is the best!
(2 weeks ago)
Jul-2026
He is very thorough and listens to your concerns. He takes his time with you and never makes you feel rushed. He is also just a nice person.
(2 weeks ago)
Jul-2026
He is always great !!! Professional, friendly & knowledgeable! A great doctor !
(2 weeks ago)
Jul-2026
I trust Dr. Sieminski. He has been my doctor for many years. Always got it right!
(2 weeks ago)
Jul-2026
He has been my pcp for over 10 years. He is kind, attentive, and professional.
(2 weeks ago)
Jul-2026
Excellent doctor, I appreciate his way of caring and listening to me.
(2 weeks ago)
Jul-2026
Very personable yet still efficient. Go METS
(2 weeks ago)
Jul-2026
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Skylands Medical Group Andover
33 Newton-Sparta Road Suite 1 Newton, NJ 07860
Dr. Douglas P. Sieminski, D.O., graduated from New York College of Osteopathic Medicine, Old Westbury, New York, in May 2003. He completed his residency training in Family Practice in June 2006 at Union Hospital (Affiliate of St. Barnabas Health Care System), Union, New Jersey, where he was the Chief Resident from 2004 to 2006. He also completed his internship at Union Hospital in June 2004. Dr. Sieminski attended Drew University, Madison, New Jersey, where he received a Bachelor of Arts Degree in Biology in May 1999.
Dr. Sieminski is Board Certified in Family Practice through the American Board of Osteopathic Family Physicians. He is a member of the American Osteopathic Association, American College of Osteopathic Family Practitioners, and New Jersey Association of Osteopathic Physicians and Surgeons.
See other doctors in Skylands Medical Group Andover
Always listens and willing to discuss. Asks lots of questions. Very little wait time in office
Professional, friendly and helpful staff. Dr. Sieminski has been my P.C.D. for over 11 years. He listens and always answers all my questions. He is always concerned about my health issues.
Love his demeaner. Calm and relaxed which rubs off on his Patients I’m sure.
His care for his patients is unmatched. When I have to see Dr. Sieminski, he legitimately cares about my well being. Most doctors seem to rush through exams or checkups. He takes his time to speak with you and make you feel informed and comfortable by the time you leave. Dr. Sieminski is the best!
He is very thorough and listens to your concerns. He takes his time with you and never makes you feel rushed. He is also just a nice person.
He is always great !!! Professional, friendly & knowledgeable! A great doctor !
I trust Dr. Sieminski. He has been my doctor for many years. Always got it right!
He has been my pcp for over 10 years. He is kind, attentive, and professional.
Excellent doctor, I appreciate his way of caring and listening to me.
Very personable yet still efficient. Go METS