Summary

Dr. Mark Colligan treats hypertensive emergency and hypertension, and performs contrast echocardiography and transthoracic echocardiogram. He practices cardiology and is affiliated with Baptist Medical Center, North Central Baptist Hospital, Northeast Baptist Hospital, Mission Trail Baptist Hospital, Baptist Neighborhood Hospital Thousand Oaks, and Baptist Emergency Hospital Overlook. Dr. Colligan completed his residency in cardiovascular diseases and internal medicine at San Antonio Uniformed Services Health Education and is board-certified in internal medicine by the American Board of Internal Medicine. He sees patients in San Antonio and Schertz, Texas. Patients on Vitals rate Dr. Colligan 4.58 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 29 years of experience
  • speaks English
  • San Antonio Unif Ser Hlth Edu, Cardiovascular Diseases; San Antonio Unif Ser Hlth Edu, Internal Medicine
  • 51 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 6 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Mark Colligan has 3 locations

Baptist Heart & Vascular

502 Madison Oak Dr Ste 310San Antonio, TX 78258
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Baptist Heart & Vascular

5000 Baptist Health Dr Ste 101Schertz, TX 78154
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Baptist Heart & Vascular

430 W Sunset Rd Ste 115San Antonio, TX 78209
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Mark Colligan, MD
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Mark Colligan, MDDr. Vijaiganesh Nagarajan, MDDr. Francia Rojas, MDDr. James Edward Remkus
CardiologyCardiologyCardiologyDiagnostic Radiology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
0 
3.7 
5 
29 Years of Experience 54 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English, Spanish Speaks English
San Antonio , TXKaty , TXHouston , TXSan Antonio , TX
Med School: In Univ Sch of Med, Indianapolis In Med School: University Of Missouri Columbia School Of Medicine
Current Profile
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Insurance Plans Accepted by Mark Colligan

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Mark Colligan has the following specialty

Specialty Expertise

Mark Colligan has the following 13 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Echocardiography
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • Hypertension
  • Stroke
  • Unstable Angina

Certifications, License, & Education

29 Years Experience

Mark Colligan holds an expired medical license in the state of Texas. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of Texas that expired in 2025.

Education & Training

Residency

Completed their residency at San Antonio Unif Ser Hlth Edu, Cardiovascular Diseases; San Antonio Unif Ser Hlth Edu, Internal Medicine.

Medical School

Graduated from In Univ Sch of Med, Indianapolis In in 1997 and Indiana University School of Medicine in 1997.

NPI Number

Mark Colligan's NPI number is 1902998347.

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Frequently Asked Questions

Where is Mark Colligan's office located?
Mark Colligan's office is located at 502 Madison Oak Dr Ste 310, San Antonio, TX, 78258.
Which hospitals is Mark Colligan affiliated with?
Mark Colligan is affiliated with Baptist Medical Center, North Central Baptist Hospital, NORTHEAST BAPTIST HOSPITAL, Mission Trail Baptist Hospital, Baptist Neighborhood Hospital Thousand Oaks, and Baptist Emergency Hospital Overlook.
How can I make an appointment with Mark Colligan?
You can find contact information for Mark Colligan here on Vitals.
Does Mark Colligan accept my insurance?
You can see the insurance plans that Mark Colligan accepts on their Vitals profile.
What languages does Mark Colligan speak?
Mark Colligan speaks English.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Board certification bodies (such as ABMS)
  • Healthcare system and provider network data

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