
Highlights
Age Groups Seen
- Child 2-12
- Adolescent 12-18
- Adult 18-65
- Older Adult >65
Languages
- English
Gender
MaleAbout Gregory G. Stiefel
About The Provider
Gregory Stiefel, D.O., is a family medicine physician practicing at Inspira Medical Group Family Medicine Tomlin Station. Dr. Stiefel is board certified in family medicine by the American Osteopathic Board of Family Physicians. He earned his medical degree and completed his residency at the University of Medicine and Dentistry of New Jersey. He has receieved the 2021 Top Doctors award from Philadelphia Magazine. Dr. Stiefel believes that the highest level of care is attained when the doctor and patient form a partnership, and the patient is an active participant in their care. He works to promote this approach by actively educating his patients on their health in order to allow them to make informed decisions about their health.
Awards
Philadelphia Magazine Top Doctor May 2021, April 2022
SJ Magazine September 2020
Philadelphia Magazine’s 2023 Top Doctors
Philadelphia Magazine: 2024 Top Doctors
Philadelphia Magazine Top Docs - 2025
Jersey's Best Top Docs 2025
Hospital Affiliations
Inspira Medical Center Elmer
Locations
- Inspira Primary Care
- 7 Myers Drive, Suite C, Mullica Hill, NJ 08062
- Get Directions
- phone: 856-241-2522
- fax: 856-241-2522
Expertise
Education
- Residency Program: University of Medicine and Dentistry of New Jersey, Family Medicine, 2000
- Internship Program: University of Medicine and Dentistry of New Jersey, Family Medicine, 1998
- Medical School: University of Medicine and Dentistry of New Jersey, Doctor of Osteopathic Medicine, 1997
- X Professional Other (PO): University of North Carolina at Charlotte, Bachelor of Science, 1993
Insurance
- Aetna Commercial
- Amerihealth
- Cigna
- Cigna HealthSpring
- Clover Health
- Consumer Health Network
- Horizon BCBS
- Horizon NJ Health
- Humana
- Humana Military
- MagnaCare
- Medicare
- Multiplan
- Optum
- Qualcare
- Self Pay
- United/Oxford
- WellCare
Ratings & Reviews
5 out of 5
352 ratings, 37 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 1/29/2026
The doctor shows concern and easily answers any questions clearly.
- 5 out of 5 starsReviewed on 1/27/2026
My experience with Dr. Stiefel has never been anything but the best. He's #1 in my book.
- 5 out of 5 starsReviewed on 1/14/2026
I can not say enough about the outstanding treatment of both mind and body.
- 5 out of 5 starsReviewed on 1/14/2026
I don't normally like to recommend any service provider to others. I don't like to get blamed if someone isn't good. That being said, Dr. Steifel is someone I'd recommend if asked by a friend in the area.
- 5 out of 5 starsReviewed on 1/14/2026
Excellent doctor - recommended him to others
- 5 out of 5 starsReviewed on 1/12/2026
Dr.Steifel always has a friendly calming demeanor during visits and explaining diagnosis from visit. Reminds of any yearly tests or well checks.
- 5 out of 5 starsReviewed on 12/31/2025
I've been seeing Dr Stiefel for nearly 30 years . Always a good visit.
- 5 out of 5 starsReviewed on 12/29/2025
Staff always very attentive and caring.
- 5 out of 5 starsReviewed on 12/15/2025
Dr. Stiefel was always shown concern
- 5 out of 5 starsReviewed on 12/15/2025
Dr Stiefel always asks if I have any additional questions, never hurries my appointment.
- 5 out of 5 starsReviewed on 12/8/2025
Doctor Steifel has been our PCP doc for over 25 years. I/we have the utmost respect and confidence in his judgments and caring. Even if we don't always agree.
- 5 out of 5 starsReviewed on 12/8/2025
I have recommended Dr. Stiefel to other friends.
- 5 out of 5 starsReviewed on 11/25/2025
Dr. Stiefel is one of the best physicians that I've seen. He is always friendly & professional. Dr. Stiefel has extensive knowledge and always discusses his plan. I trust him completely.
- 5 out of 5 starsReviewed on 11/21/2025
I've been seeing Dr Stiefel since 2007. I love him as a doctor!!
- 5 out of 5 starsReviewed on 11/7/2025
Dr. Stiefel is an excellent Dr. And very professional. He has been my Dr. For over 20 years.Trust him with my life. I've been through a lot the year and a half and he had guided me through some very ruff times Yrs.
- 5 out of 5 starsReviewed on 11/7/2025
Dr Stiefel was tremendously thorough in explaining issues and listening and answering my questions and concerns.
- 5 out of 5 starsReviewed on 11/7/2025
Dr Stiefel is an excellent doctor caring, active listening, talks plainly and clearly all around great guy
- 5 out of 5 starsReviewed on 10/27/2025
Dr Stiefel is one of the best!
- 5 out of 5 starsReviewed on 10/27/2025
Always a good experience having a chat with Dr. Stiefel. He cares about my health and answers any questions I have.
- 5 out of 5 starsReviewed on 10/24/2025
Dr Stiefel is very knowledgeable and is never in a rush very very caring
- 5 out of 5 starsReviewed on 10/15/2025
Doctor Stiefel has been our PCP for many years. He and his staff have always been very professional and caring!
- 5 out of 5 starsReviewed on 10/8/2025
Dr. Stiefel is the best. Caring, compassionate, very easy to talk with.
- 5 out of 5 starsReviewed on 10/3/2025
Have always had a meaningful and enlightening experience with Dr Stiefel.
- 5 out of 5 starsReviewed on 10/2/2025
I recommend Dr Stiefel to my friends
- 5 out of 5 starsReviewed on 10/2/2025
Dr. Stiefel was concerned, compassionate, answered all of my questions - very thorough, as was the staff!
- 5 out of 5 starsReviewed on 9/23/2025
Dr. Gregary Stiefel has always treated me with great respect. Kind, gentle and you feel good when you leave!
- 5 out of 5 starsReviewed on 9/3/2025
Dr. Stiefel is an amazing caring doctor. He takes time to explain everything and genuinely cares. I never feel rushed through my appointments. Very good bedside manner.
- 5 out of 5 starsReviewed on 8/29/2025
I have been a patient of Dr. Stiefel for 20+ years. He has provided outstanding care for all of my medical issues.
- 5 out of 5 starsReviewed on 8/29/2025
I have been seeing Dr. Stiefeil for almost 20 years. I travel from Maryland for my appts.
- 5 out of 5 starsReviewed on 8/18/2025
Dr Steifel is always concerned with my care and always lets me decide on my care options
- 5 out of 5 starsReviewed on 7/29/2025
He listens to my concerns
- 5 out of 5 starsReviewed on 7/27/2025
Dr Steifel is thorough and knowledgeable and shows genuine care for my wellbeing.
- 5 out of 5 starsReviewed on 7/24/2025
Discussed options after blood work and any changes to medication. Felt confident that we had a plan.
- 5 out of 5 starsReviewed on 7/20/2025
He is the best.
- 5 out of 5 starsReviewed on 7/18/2025
Dr. Stiefel listens carefully to my questions, answers honestly, and makes suggestions going forward. Totally trust his judgment
- 5 out of 5 starsReviewed on 7/16/2025
He's a very good doctor. Never had a bad experience.
- 5 out of 5 starsReviewed on 7/8/2025
Dr Stiefel took the time to listen about my problem and explained everything and made sure I understood very patient