
Overview
Dr. Seamus Lonergan attended the University of California San Francisco Medical School in California. He later completed an Emergency Medicine Residency at Alameda County Medical Center/Highland General Hospital, where he also served as Chief Resident. He worked in California for six years at Santa Clara Valley Medical Center as a physician and ED quality improvement director before moving back home to Dallas. Dr. Lonergan began his tenure with Integrative Emergency Services as the Assistant Medical Director for the Emergency Department at BSWH - Grapevine for three years, while also working at Baylor University Medical Center. In 2015, Dr. Lonergan was named as the Medical Director at BSWH - Irving, serving in that role for four years. During that time, he garnered tremendous experience in improving emergency department operations through focused quality improvements efforts. Dr. Lonergan has successfully championed efforts impacting quality, safety, patient experience, and physician engagement at both a local and system level. He is currently serving as the Emergency Department Medical Director for Baylor University Medical Center, where he continues to pursue his passion for public health, continuous quality improvement, operational efficiency, and team work.
His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Muscle Spasms, Aseptic and Alopecic Nodules of Scalp (AANS), and Cannabinoid Hyperemesis Syndrome (CHS).
Dr. Lonergan is board certified in Emergency Medicine- American Board Of Emergency Medicine. He is actively involved in clinical research, co-authoring 1 peer reviewed article.
Graduate Institution
Residency
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Languages Spoken
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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
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- 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
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- POS
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- PPO
- 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
4835 LBJ Freeway, Suite 900, Dallas, TX 75244
1901 N MacArthur Blvd, Irving, TX 75061
1650 W College St, Grapevine, TX 76051
3500 Gaston Ave, Dallas, TX 75246
7600 Better Way, Frisco, TX 75033
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. Seamus D. Lonergan
How do I make an appointment with Dr. Seamus D. Lonergan?
You can book an appointment with Dr. Seamus D. Lonergan by calling their office at 469-420-5525. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Seamus D. Lonergan a top-rated expert for Inappropriate Sinus Tachycardia (IST)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Seamus D. Lonergan is classified as an Experienced expert for Inappropriate Sinus Tachycardia (IST), 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. Seamus D. Lonergan specialize in?
While Dr. Seamus D. Lonergan is a Emergency Medicine, they have specific expertise in Inappropriate Sinus Tachycardia (IST), Muscle Spasms, and Aseptic and Alopecic Nodules of Scalp (AANS). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Emergency Medicine.
Does Dr. Seamus D. Lonergan participate in research or clinical trials?
Yes. Dr. Seamus D. Lonergan has published 1 articles and abstracts on conditions like Inappropriate Sinus Tachycardia (IST). You can view a list of Dr. Seamus D. Lonergan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Seamus D. Lonergan accept my insurance?
Dr. Seamus D. Lonergan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 469-420-5525 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
- Experienced
- Aseptic and Alopecic Nodules of Scalp (AANS)
- BoilsDr. Lonergan isExperienced. Learn about Boils.
- Cannabinoid Hyperemesis Syndrome (CHS)Dr. Lonergan isExperienced. Learn about Cannabinoid Hyperemesis Syndrome (CHS).
- FolliculitisDr. Lonergan isExperienced. Learn about Folliculitis.
- Gallbladder DiseaseDr. Lonergan isExperienced. Learn about Gallbladder Disease.
- Inappropriate Sinus Tachycardia (IST)Dr. Lonergan isExperienced. Learn about Inappropriate Sinus Tachycardia (IST).