Overview
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Dr. Hennessy is highly rated in 1 condition, according to our data. His top areas of expertise are Neonatal Abstinence Syndrome and Hormone Replacement Therapy (HRT).
His clinical research consists of co-authoring 11 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Graduate Institution
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Board Certifications
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Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- MEDICARE MAPD
- MEDICARE PDP
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
2335 Knob Creek Rd, Ste 100, Johnson City, TN 37604
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. Mark D. Hennessy
How do I make an appointment with Dr. Mark D. Hennessy?
You can book an appointment with Dr. Mark D. Hennessy by calling their office at 423-430-9942. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mark D. Hennessy a top-rated expert for Neonatal Abstinence Syndrome?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark D. Hennessy is classified as an Advanced expert for Neonatal Abstinence Syndrome, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mark D. Hennessy specialize in?
While Dr. Mark D. Hennessy is a Neonatology, they have specific expertise in Neonatal Abstinence Syndrome, Hormone Replacement Therapy (HRT). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neonatology.
Does Dr. Mark D. Hennessy participate in research or clinical trials?
Yes. Dr. Mark D. Hennessy has published 11 articles and abstracts on conditions like Neonatal Abstinence Syndrome. You can view a list of Dr. Mark D. Hennessy's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Mark D. Hennessy accept my insurance?
Dr. Mark D. Hennessy accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 423-430-9942 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Neonatal Abstinence SyndromeDr. Hennessy isAdvanced. Learn about Neonatal Abstinence Syndrome.
- Experienced
- Hormone Replacement Therapy (HRT)Dr. Hennessy isExperienced. Learn about Hormone Replacement Therapy (HRT).

