Mark Edward Hennessy, MD

7515 Main St., Ste. 780 , Houston, Texas
34 Years Experience
(832) 281-6139
7515 Main St., Ste. 780 , Houston, Texas
34 Years Experience
(832) 281-6139

Meet Dr. Hennessy

34 Years in Practice

Education
  • Undergraduate: BS, Biology, Providence College, 1986
  • Medical: MD, Royal College of Surgeons, 1991
  • Internship: St. Elizabeth's Medical Center, Boston
  • Residency: St. Elizabeth's Medical Center, Boston, 1994
  • Mini-fellowship: Laser Liposuction 2013
RealSelf Quality Standards
  • Verified
  • Destination Doctor
Memberships
  • American Academy of Cosmetic Surgery (AACS)
Hospital Admission Privileges
  • Westside Surgical Hospital
  • Humble Surgical Hospital
Consultation Fee: Free

Special offers(1)

Mention RealSelf to Redeem

Locations


Dr. Hennessy reviews (119)

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4.5

4.5


Filter reviews by procedure
sandrabeserra1
April 14, 2024
Best Lipo doctor in Houston! Upper & lower back, flanks & axillary
Liposuction

6 days post-op
Response from Dr. Mark Edward Hennessy, MDDear Patient], I hope this message finds you well. I wanted to take a moment to personally thank you for the glowing review you recently left on Google. Your kind words mean the world to us and serve as a testament to the quality of care we strive to provide to each and every one of our patients. Your feedback not only brightened our day but also helps others in the community make informed decisions about their healthcare options. Knowing that we've made a positive impact on your experience with us is incredibly rewarding, and we're grateful for the opportunity to have served you. At Downsize Lipo Center, we are committed to delivering exceptional care and ensuring that our patients feel valued and supported every step of the way. Your satisfaction is our top priority, and your feedback motivates us to continually improve and exceed expectations. Once again, thank you for taking the time to share your positive experience. We truly appreciate your support and look forward to serving you again in the future. If you ever have any questions or need further assistance, please don't hesitate to reach out. Gratefully, Dr Hennessy

Exquisite235941
January 11, 2024
Made me feel very comfortable during my procedure
Lipo 360

1 month post-op

4,100
Response from Dr. Mark Edward Hennessy, MDThank you very, very much for your kind words. There is no greater expression of gratitude than a patient's referral of loved ones and friends to Downsize Lipo Center. I wish you all of the best! Gratefully, Dr MARK HENNESSY

Optimistic65387
November 14, 2023
I'd pick Lipo over a root canal any day
Lipo 360

1 month post-op
Response from Dr. Mark Edward Hennessy, MDTruly appreciate your kind words. I look forward to following your progress in the future. Happy Holidays!

Aspen911
October 20, 2023
Unbelievable Results For A Very Affordable Price!
Liposuction

25 days post-op
Response from Dr. Mark Edward Hennessy, MDThank you very much for describing your experience at Downsize Lipo Center. I appreciate your great review. Hoping you enjoy the Holidays with your friends and family.

Fearless155349
October 17, 2023
I got the hourglass figure I wanted
Liposuction

2 months post-op
Response from Dr. Mark Edward Hennessy, MDThank you for informing other patients that it is not necessary (and potentially unsafe) to travel abroad in order to receive cost effective Liposuction. Thank you for your review. Cheers!
sandrabeserra1
April 14, 2024
Best Lipo doctor in Houston! Upper & lower back, flanks & axillary
Liposuction

6 days post-op
Response from Dr. Mark Edward Hennessy, MDDear Patient], I hope this message finds you well. I wanted to take a moment to personally thank you for the glowing review you recently left on Google. Your kind words mean the world to us and serve as a testament to the quality of care we strive to provide to each and every one of our patients. Your feedback not only brightened our day but also helps others in the community make informed decisions about their healthcare options. Knowing that we've made a positive impact on your experience with us is incredibly rewarding, and we're grateful for the opportunity to have served you. At Downsize Lipo Center, we are committed to delivering exceptional care and ensuring that our patients feel valued and supported every step of the way. Your satisfaction is our top priority, and your feedback motivates us to continually improve and exceed expectations. Once again, thank you for taking the time to share your positive experience. We truly appreciate your support and look forward to serving you again in the future. If you ever have any questions or need further assistance, please don't hesitate to reach out. Gratefully, Dr Hennessy

Exquisite235941
January 11, 2024
Made me feel very comfortable during my procedure
Lipo 360

1 month post-op

4,100
Response from Dr. Mark Edward Hennessy, MDThank you very, very much for your kind words. There is no greater expression of gratitude than a patient's referral of loved ones and friends to Downsize Lipo Center. I wish you all of the best! Gratefully, Dr MARK HENNESSY

Optimistic65387
November 14, 2023
I'd pick Lipo over a root canal any day
Lipo 360

1 month post-op
Response from Dr. Mark Edward Hennessy, MDTruly appreciate your kind words. I look forward to following your progress in the future. Happy Holidays!

Aspen911
October 20, 2023
Unbelievable Results For A Very Affordable Price!
Liposuction

25 days post-op
Response from Dr. Mark Edward Hennessy, MDThank you very much for describing your experience at Downsize Lipo Center. I appreciate your great review. Hoping you enjoy the Holidays with your friends and family.

Fearless155349
October 17, 2023
I got the hourglass figure I wanted
Liposuction

2 months post-op
Response from Dr. Mark Edward Hennessy, MDThank you for informing other patients that it is not necessary (and potentially unsafe) to travel abroad in order to receive cost effective Liposuction. Thank you for your review. Cheers!

livlyf3
October 5, 2023
Lipo 360 by Dr. Hennessy - my results exceeded my expectations
Lipo 360

1 month post-op
Response from Dr. Mark Edward Hennessy, MDDear Patient, I hope this message finds you well. I wanted to take a moment to personally thank you for the glowing review you recently left on Google. Your kind words mean the world to us and serve as a testament to the quality of care we strive to provide to each and every one of our patients. Your feedback not only brightened our day but also helps others in the community make informed decisions about their healthcare options. Knowing that we've made a positive impact on your experience with us is incredibly rewarding, and we're grateful for the opportunity to have served you. At Downsize Lipo Center, we are committed to delivering exceptional care and ensuring that our patients feel valued and supported every step of the way. Your satisfaction is our top priority, and your feedback motivates us to continually improve and exceed expectations. Once again, thank you for taking the time to share your positive experience. We truly appreciate your support and look forward to serving you again in the future. If you ever have any questions or need further assistance, please don't hesitate to reach out. All the Best! Dr MARK HENNESSY

jenniferzepeda43
August 8, 2023
Great surgeon - my experience was wonderful
Lipo 360

4 days post-op
Response from Dr. Mark Edward Hennessy, MDDear Jennifer], I hope this message finds you well. I wanted to take a moment to personally thank you for the glowing review you recently left on Google. Your kind words mean the world to us and serve as a testament to the quality of care we strive to provide to each and every one of our patients. Your feedback not only brightened our day but also helps others in the community make informed decisions about their healthcare options. Knowing that we've made a positive impact on your experience with us is incredibly rewarding, and we're grateful for the opportunity to have served you. Your satisfaction is our top priority, and your feedback motivates us to continually improve and exceed expectations.I pray that you are maintaining your new contours by way of a healthy diet and by exercising daily. Once again, thank you for taking the time to share your positive experience. We truly appreciate your support and look forward to serving you again in the future. If you ever have any questions or need further assistance, please don't hesitate to reach out. Also, if you you would honor us by sending recent photos that would be appreciated. Best Wishes, Dr MARK HENNESSY

Reliable1560
July 30, 2023
Lipo 360, 6 days out, feeling good & looking great
Lipo 360

6 days post-op

3,800
Read updates from this review
Response from Dr. Mark Edward Hennessy, MDThank you for your kind words and I truly appreciate your positive review. I hope this finds you enjoying great health and happiness. Yours in Health, MARK HENNESSY, MD

Charming807500
June 14, 2023
Beyond amazing - he and his staff were absolutely wonderful
Liposuction

14 days post-op
Response from Dr. Mark Edward Hennessy, MDBeyond amazing! I'm honored and pleased that you are so happy. Your review was greatly appreciated and I pray this finds you well. Thank you very much for your kindness. Yours in Health, MARK HENNESSY, MD

Cute7657
April 26, 2023
Very pleased with the transformation of my body
Liposculpture

17 days post-op

4,000
Response from Dr. Mark Edward Hennessy, MDHenderson, Hennessy...doesn't matter...what matters is that you are happy and enjoying your new contours. I pray this finds you healthy and should you have any questions: please phone any time. Yours in Health, Dr MARK HENNESSY


Dr. Hennessy patient photos (114)

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Smart Lipo   •
 92 Photos
Vaser Liposuction   •
 12 Photos
Laser Liposuction   •
 10 Photos

Doctor's answers (148)

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Community questions Dr. Hennessy has answeredFilter answers by procedure
VI Peel
Vaser Liposuction
Laser Liposuction
Smart Lipo
+1
Vaser Liposuction
+3
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Doctor's videos (14)

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Uploaded May 13, 2025Mark Edward Hennessy, MD
Uploaded May 13, 2025Mark Edward Hennessy, MD
Uploaded May 13, 2025Mark Edward Hennessy, MD
Uploaded May 12, 2025Mark Edward Hennessy, MD
Uploaded May 12, 2025Mark Edward Hennessy, MD
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