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Dr. Mark Hennessy, MD

Cosmetic, Plastic & Reconstructive Surgery
4.3 (25)
Map Pin Small Houston, TX
Accepting new patients
32 years of experience

Overview of Dr. Mark Hennessy, MD

Dr. Mark Hennessy, MD is a Cosmetic, Plastic & Reconstructive Surgery Specialist in Houston, TX. They specialize in Cosmetic, Plastic & Reconstructive Surgery, has 32 years of experience. They graduated from Royal Coll P&S of Ireland.

Dr. Hennessy works at Global Sleep in Houston, TX. They are accepting new patients and accepts Anthem, CareFirst Blue Cross Blue Shield and Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Hennessy's Office Locations

  1. 1
    Global Sleep
    7515 Main St Ste 780, Houston, TX 77030 Icon Directions Right Arrow Directions Phone Icon (832) 231-8742
    9:00am - 5:00pm
    9:00am - 5:00pm
    9:00am - 5:00pm
    9:00am - 5:00pm
    9:00am - 5:00pm

Experience & Treatment Frequency


What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Cosmetic Conditions

Treatment frequency

Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
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    View All Accepted Carriers

    • Anthem
    • CareFirst Blue Cross Blue Shield
    • Cigna

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    Average provider rating
    Based on 25 ratings
    Patient Ratings (25)
    5 Star
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    3 Star
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    1 Star
    Leave a review

    How was your appointment with Dr. Hennessy?

    Aug 18, 2022
    Completed a virtual consult, phoned by Maureen on same day and she placed me on the Doctor's schedule after I made my deposit. Dr. Hennessy ( love that name) repeatedly checked to make sure that I was comfortable. While I was watching a movie and a half and while having a nice conversation, Dr. Hennessy completed my procedure. As I mentioned above: I am very happy with my results.
    Drove From New Orleans — Aug 18, 2022
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    Photo: Dr. Mark Hennessy, MD
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    Dr. Hennessy's Office & Staff

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    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Hennessy

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Spends appropriate amount of time with patients

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    About Dr. Mark Hennessy, MD

    • Cosmetic, Plastic & Reconstructive Surgery
    Years of Experience
    • 32 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1194784728
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    • St Elizabeths Medical Center
    Medical Education
    • Royal Coll P&S of Ireland
    Medical Education

    Frequently Asked Questions

    Dr. Mark Hennessy, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Hennessy is offering online scheduling or call the provider’s office for more information.

    Dr. Hennessy has an average wait time of Over 45 minutes at their office(s).

    Dr. Hennessy has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    25 patients have reviewed Dr. Hennessy. The overall rating for this provider is 4.3. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Hennessy.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Hennessy, there are benefits to both methods. A person calling to schedule an with Dr. Hennessy appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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