Summary

Dr. Lonergan graduated from the University of California San Francisco School of Medicine in 2003. He works in Grapevine, TX and 2 other locations and specializes in Emergency Medicine. Dr. Lonergan is affiliated with Baylor Scott And White Medical Center Grapevine.

Quick Facts

  • 23 years of experience
  • 72 insurance plans accepted
  • Highland Alameda County Hospital
  • 1 specialty
  • 3 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Seamus David Lonergan has 3 locations

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Dr. Seamus David Lonergan, MD
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Dr. Seamus David Lonergan, MDChristopher Carleo, MDDr. Brian Douglas WeylieIII Joseph Ernest Marvin
Emergency MedicineEmergency MedicineEmergency MedicineEmergency Medicine
Accepts New Patients
4.3 
23 Years of Experience 28 Years of Experience 17 Years of Experience 7 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English
Grapevine , TXEast Setauket , NYAUSTIN , TXDallas , TX
Med School: University Of California San Francisco School Of Medicine Med School: Suny Stony Brookhealth Med School: Univ Of North Texas Health Science Center Texas College Of Osteopathic Med Med School: Creighton University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Seamus David Lonergan

  • Aetna
  • Aetna - CHIP
  • Aetna - HMO
  • Aetna - Medicaid
  • Aetna Better Health
  • Aetna Better Health - Medicaid
  • Alameda Alliance for Health
  • All Savers Insurance
  • Allegiance Life and Health
  • Allianz Worldwide Care
  • Ambetter
  • AmeriGroup
  • AmeriHealth
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • Blue Cross Blue Shield of Texas - PPO
  • BLUE CROSS of CALIFORNIA
  • Care N' Care
  • Centivo
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Cigna-HealthSpring - HMO
  • Cigna-HealthSpring - Medicare
  • Cook Children's Health Plan
  • Corvel - Workers’ Compensation
  • Cox HealthPlans
  • EmblemHealth
  • EMI Health
  • FirstCare Health Plans
  • GEHA
  • Gilsbar 360 Alliance
  • Health First Health Plans
  • Health Net
  • HealthFirst (NY)
  • HealthSmart
  • Humana
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Liberty Mutual - Workers’ Compensation
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha - HMO
  • Oscar Health Insurance
  • Oscar Health Insurance - PPO
  • Parkland Community Health Plan
  • Peoples Health - HMO
  • Physicians Mutual
  • Priority Health
  • Providence Health Plans
  • Sana
  • SCAN Health Plan - HMO
  • Security Life
  • State Farm
  • STLDentalPlan| LLC
  • Transamerica
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Wellcare
  • Western Health Advantage

Medical Specialties

Dr. Seamus David Lonergan has the following specialty

Specialty Expertise

Dr. Seamus David Lonergan has the following 3 areas of expertise

  • Accidents
  • Injury
  • Trauma

Certifications, License, & Education

23 Years Experience

Dr. Seamus David Lonergan holds an active medical license in the state of Texas.

Medical License

Medical Doctor with an active medical license in the state of Texas that expires in 2027.

Education & Training

Residency

Completed their residency at Highland Alameda County Hospital.

Medical School

Graduated from University Of California San Francisco School Of Medicine in 2003.

NPI Number

Dr. Lonergan's NPI number is 1407953391.

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Frequently Asked Questions

Does Dr. Seamus David Lonergan accept virtual/telehealth appointments?
Dr. Seamus David Lonergan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Seamus David Lonergan affiliated with?
Dr. Seamus David Lonergan is affiliated with Baylor Scott And White Medical Center Grapevine.
Is Dr. Seamus David Lonergan accepting new patients?
Dr. Seamus David Lonergan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Seamus David Lonergan?
You can find contact information for Dr. Seamus David Lonergan here on Vitals.
Where is Dr. Seamus David Lonergan's office located?
Dr. Seamus David Lonergan's office is located at 1650 W College St, Grapevine, TX, 76051.

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