
William Timothy Halligan, MD
Cardiology
Highlights
Age Groups Seen
- Adults
- Adults 65 and up
Languages
- English
Gender
MaleAbout William Timothy Halligan
Will Halligan, MD, FACC, is originally from Spartanburg, South Carolina. He graduated from Wofford College, also in Spartanburg, and attended the Medical University of South Carolina in Charleston for medical school. He completed his internal medicine residency at the University of Virginia in Charlottesville and returned to MUSC for his cardiology fellowship training.
Dr. Halligan is board certified in internal medicine and cardiology. He is a non-invasive cardiologist and sees patients with a wide variety of cardiovascular diseases. He has a special interest in health care quality improvement and patient safety. It is for this reason that he earned a master’s degree in business administration while in medical school.
Halligan is excited to be back in the Upstate practicing cardiology. He is looking forward to building life-long relationships with patients in the area. An avid outdoorsman, he enjoys spending his free time fishing and at his family’s farm.
Publications
Video
Locations
- Prisma Health Carolina Cardiology Consultants – Greenville
- 1005 Grove Road, Greenville, SC 29605
- Get Directions
- phone: 864-455-6900
- fax: 864-255-5619
- Prisma Health Carolina Cardiology Consultants–Patewood
- 200 Patewood Drive, Suite B480, Greenville, SC 29615
- Get Directions
- phone: 864-455-6900
- fax: 864-255-5619
- Prisma Health Carolina Cardiology Consultants – Greer
- 315 Medical Parkway, Suite 200, Greer, SC 29650
- Get Directions
- phone: 864-797-9900
- fax: 864-797-9930
- Prisma Health Cardiovascular Diagnostics – Greenville
- 3 Butternut Drive, Greenville, SC 29605
- Get Directions
- phone: 864-522-3300
- fax: 864-255-5619
Expertise
Education
- Fellowship: Medical University of South Carolina, Cardiology
- Medical School: Medical University of South Carolina
- Residency: UVA Health Medical Center, Internal Medicine
Board Certifications
- Internal Medicine: American Board of Internal Medicine
- Cardiovascular Disease: American Board of Internal Medicine
Insurance
- Absolute Total Care - Ambetter
- Absolute Total Care (Centene)
- Aetna
- Aetna Medicare
- Allwell Medicare - Absolute Total Care
- BCBS
- BCBS Blue Essentials
- BCBS PPC
- BCBSSC Blue Reedy Exchange Product (Upstate)
- BCBSSC State Health Plan (PEBA)
- BlueChoice Health Plan
- BlueChoice Medicaid - Healthy Blue
- BlueChoiceMyChoice Advantage
- Carelon Behavioral Health
- Cigna
- Cigna Medicare
- Companion Benefit Alternatives
- CorVel Workers Compensation
- Evernorth Behavioral Health
- FirstHealth (Aetna)
- Healthy Connections
- Humana - Healthy Horizons
- Humana Choice Care
- Humana Medicare
- Liberty Advantage
- Logistics Health
- Magellan
- MedCost
- Medicare (Traditional Fee-for-Service)
- Molina
- Molina Medicaid
- NHC Advantage
- Optum Behavioral Health
- Promise Health Plan
- SC Medicaid Healthy Connections
- Select Health Medicare
- Select Heath (First Choice)
- Spectera
- TriCare
- UnitedHealthcare Medicare Advantage
- Veterans Affairs Community Care Network - VACCN
- Wellcare (Centene)
Ratings & Reviews
4.8 out of 5
527 ratings, 95 reviewsThe Patient Satisfaction Rating is derived from patient surveys based on the likelihood to recommend this provider’s office.
- 5 out of 5 starsReviewed on 3/4/2026
Dr. Halligan is a great doctor! He was well informed of my issue and my most recent health issues. Thank you so much Dr. Halligan!
- 5 out of 5 starsReviewed on 3/2/2026
I had no issues and was treated very well.
- 5 out of 5 starsReviewed on 2/28/2026
Nothing. Great job.
- 5 out of 5 starsReviewed on 2/27/2026
It was a positive visit. Thank you.
- 5 out of 5 starsReviewed on 2/24/2026
It was all good.
- 5 out of 5 starsReviewed on 2/24/2026
Dr HALLIGAN is a great guy down to earth listens to me and has developed an excellent plan for me!! Thank you!
- 5 out of 5 starsReviewed on 2/25/2026
Team was great as usual.
- 5 out of 5 starsReviewed on 2/21/2026
I could not have asked for any better support or care than what I received.
- 5 out of 5 starsReviewed on 2/21/2026
I felt very valued as a patient.
- 5 out of 5 starsReviewed on 2/5/2026
Everything is going well with my visit can't improve perfect.
- 5 out of 5 starsReviewed on 2/1/2026
Nothing everything was professional
- 5 out of 5 starsReviewed on 1/16/2026
Everything and everyone was nice and I was very grateful for everything
- 5 out of 5 starsReviewed on 1/10/2026
This was one of the best office visits I've had in recent years. Dr. Halligan and I engaged in a dialog covering my current condition and my own related observations.
- 5 out of 5 starsReviewed on 1/9/2026
Thank you so much for everything
- 5 out of 5 starsReviewed on 1/9/2026
They are right on what they have to say. Everyone was respectful and all questions answered. I was very impressed. I feel very comfortable with the care given. THANK YOU?
- 5 out of 5 starsReviewed on 1/7/2026
Can't think of any...my experience was very good.
- 5 out of 5 starsReviewed on 1/5/2026
Every thing went well
- 5 out of 5 starsReviewed on 1/2/2026
Everything was fine!
- 5 out of 5 starsReviewed on 1/1/2026
Don't change anything!
- 5 out of 5 starsReviewed on 1/1/2026
Everything was great!!!
- 5 out of 5 starsReviewed on 12/25/2025
I cannot think of anything. I felt good about the appointment
- 5 out of 5 starsReviewed on 12/18/2025
I am thoroughly pleased with Dr Halligan and his staff
- 5 out of 5 starsReviewed on 12/14/2025
My visit was a scheduled check up to assess my present state of hearth health. Knowing I have an enlarged Aorta due to (EDS) he has been following closely to document any change. He has subsequently prescribed a follow-up test to provide an updated set of data from the test done 2 years ago. He is very personable and seemed to know me as a person.
- 5 out of 5 starsReviewed on 12/11/2025
Answered all my questions. Was a great experience. Eased my concerns. I will definitely be going back.
- 5 out of 5 starsReviewed on 12/11/2025
All was very good
- 5 out of 5 starsReviewed on 12/8/2025
I was given the utmost care and attention
- 5 out of 5 starsReviewed on 12/8/2025
Dr. Halligan is am exceptional cardiologist.
- 5 out of 5 starsReviewed on 11/26/2025
All was good
- 5 out of 5 starsReviewed on 10/31/2025
I would not change a thing!!!
- 5 out of 5 starsReviewed on 10/30/2025
The nurse that did my blood pressure was very professional and was very kind and I enjoyed my doctor giving certain suggestions for better diet
- 5 out of 5 starsReviewed on 10/27/2025
All is well.
- 5 out of 5 starsReviewed on 10/26/2025
Staff is great!
- 5 out of 5 starsReviewed on 10/25/2025
Dr H was most attentive and thorough. My appointment went very well.
- 5 out of 5 starsReviewed on 10/21/2025
Very informative and nice
- 5 out of 5 starsReviewed on 10/17/2025
I'm just about always happy with my care and with my doctors , nurses and other employees!! Prisma gets an A+ with me
- 5 out of 5 starsReviewed on 10/10/2025
It all went well.
- 5 out of 5 starsReviewed on 10/4/2025
Perhaps test results in Laymans terms
- 4 out of 5 starsReviewed on 10/2/2025
The doctor needs to provide more space for listening instead of talking. We could barely get a word in.
- 5 out of 5 starsReviewed on 9/23/2025
I hope I'm a good patient
- 5 out of 5 starsReviewed on 9/23/2025
Visit was professional and courteous. No improvements needed
- 5 out of 5 starsReviewed on 9/23/2025
I always get excellent care??
- 5 out of 5 starsReviewed on 9/21/2025
Well pleased. No changed.
- 5 out of 5 starsReviewed on 9/20/2025
All was fine!
- 5 out of 5 starsReviewed on 9/18/2025
Always very professional and courteous.
- 4 out of 5 starsReviewed on 9/15/2025
Person at check out, was having a bad day, tired. or just has a bad attitude. She was not very friendly, like did not like her job or she did not feel well that day.
- 5 out of 5 starsReviewed on 9/10/2025
I had a very positive experience with my visit with Dr. Halligan and I thought he was very, did a great job listening to me and was very helpful and was quite friendly and I have nothing but high praise for Dr. Halligan.
- 5 out of 5 starsReviewed on 9/7/2025
Keep doing what you are doing.
- 5 out of 5 starsReviewed on 9/6/2025
Dr HALLIGAN and myself had an open dialogue concerning my present and future health. He listened as did I concerning aspects of my health now and in the future.
- 5 out of 5 starsReviewed on 8/22/2025
I feel safe in there hands
- 5 out of 5 starsReviewed on 8/21/2025
My visit was superb. I was treated with respect and felt valued.
- 5 out of 5 starsReviewed on 8/20/2025
First of all, I want to say no one was mean, discourteous, or impolite. Okay? Let me make that clear. No one was mean, discourteous, or impolite. However, hardly anyone, one way to differentiate yourself over pretty much anybody else, use words like please and thank you. No one ever says that anymore. And this place was no different. You know, what's it called? Step up on the scale, please. Thank you. You know, these are, I mean, hardly anybody says that anymore. And if you have people there who are older, they'll notice that. Granted, I'm not.
- 3 out of 5 starsReviewed on 8/19/2025
The requirement that you come 30 minutes before the appointment is bad policy. I was told that the reason was that sometimes the registration desk gets backed up. There was nobody at the desk when I arrived. I have been in that facility many times, and I have never seen a big backup. The CT scan was then 1 hour late. In total I waited 1 1/2 hours for a 2 minute procedure. Others in the waiting room were also complaining. You should have more consideration for your patients.
- 5 out of 5 starsReviewed on 8/17/2025
I don't know of anything you could have done differently to make my visit better. I look forward to my next appointment.
- 3 out of 5 starsReviewed on 8/17/2025
The nurse was somewhat rude and so was the scheduler. I had no problem with Dr. Halligan. Train the office people!
- 2 out of 5 starsReviewed on 8/17/2025
If the two ladies that checked out were not so rude, it would have been much, much better. If they were rude, that could be much better. Thank you very much.
- 5 out of 5 starsReviewed on 8/16/2025
All was done very well
- 5 out of 5 starsReviewed on 8/8/2025
Does a good job
- 5 out of 5 starsReviewed on 8/9/2025
Supply donuts
- 4 out of 5 starsReviewed on 8/8/2025
Sent Dr Halligan a follow up with blood work he wanted to see and have not heard back. It has been 3 days. Would like to get a response to the question I sent in MyChart along with the data.
- 5 out of 5 starsReviewed on 8/7/2025
Everything was perfect
- 4 out of 5 starsReviewed on 8/6/2025
The receptionist was rude. She didn't say hi or anything. She just said, name, birthday, go sit down. Also, the TV had a really gross history channel murder thing. It was really depressing. The nurse was nice. That's it.
- 4 out of 5 starsReviewed on 8/6/2025
No recommendations based on the professionalism that I saw during my visit
- 5 out of 5 starsReviewed on 8/2/2025
I received great care by the entire staff from the time of my arrival until check out. Thank you
- 5 out of 5 starsReviewed on 8/1/2025
My visit was great. I have know problems.
- 5 out of 5 starsReviewed on 7/30/2025
Appointment went smoothly!!!
- 5 out of 5 starsReviewed on 7/28/2025
It was fine. Thanks.
- 5 out of 5 starsReviewed on 7/28/2025
In my personal opinion, I've never been treated better by a doctor's office. Dr. Halligan's whole staff and him has always treated me with the utmost respect, and when I didn't understand, they went out of their way to make me understand. And he's been there for me since day one, and he said he would be there with me whenever I needed him again. So in my opinion, he was one of the best doctors I've ever seen, and thank you.
- 5 out of 5 starsReviewed on 7/25/2025
There is nothing. It was an informative visit. All my concerns were addressed and plan was put together to take care of my issue. Could not ask for better service. Thank you staff
- 5 out of 5 starsReviewed on 7/20/2025
All bases covered.
- 5 out of 5 starsReviewed on 7/18/2025
The time between requesting and the actual appointment was more distant than ideal, but if you have a full patient load, it's understandable.
- 5 out of 5 starsReviewed on 7/18/2025
All was good.
- 5 out of 5 starsReviewed on 7/17/2025
I can't think of any way you could have offered more support.
- 5 out of 5 starsReviewed on 7/9/2025
Was pleased with visit. No suggestions.
- 5 out of 5 starsReviewed on 7/7/2025
Was a good experience
- 5 out of 5 starsReviewed on 7/19/2025
Fabulous experience. I will be back in six months
- 5 out of 5 starsReviewed on 7/5/2025
Everyone was most kind and caring, and I felt very comfortable with my visit.
- 5 out of 5 starsReviewed on 7/5/2025
can't think of anything; visit was fine.
- 5 out of 5 starsReviewed on 6/27/2025
All was good.
- 5 out of 5 starsReviewed on 6/20/2025
I felt everything was at it's best and the support and trust I got at my appointment made me feel comfortable.
- 5 out of 5 starsReviewed on 6/9/2025
He was very nice!
- 5 out of 5 starsReviewed on 6/8/2025
The appointment had to be scheduled a couple of months out. Fortunately, no serious issues were found. Feel good about the evaluation.
- 5 out of 5 starsReviewed on 6/6/2025
Every thing was fine
- 5 out of 5 starsReviewed on 6/6/2025
O k
- 5 out of 5 starsReviewed on 5/31/2025
More interest in my work history, exposures to relevant job risks. I had to bring it up for context.
- 5 out of 5 starsReviewed on 5/24/2025
Check out person left me waiting for 5 minutes.
- 5 out of 5 starsReviewed on 5/24/2025
Dr Halligan and staff as usual provided, comprehensive professional care. Dr Halligan discussed my heart health with me and reassured me that my status is satisfactory. He reviewed my medications and was satisfied that my exercise and behavior will continue to maintain my heart healthy conditions.
- 5 out of 5 starsReviewed on 5/25/2025
I can't think of anything at all. Everyone was GREAT!! I really appreciate that by the way, because that is not always the case at some places. I am glad I found Dr Halligan also. I have liked and trusted him since day 1. Thanks a lot guys ???
- 5 out of 5 starsReviewed on 5/23/2025
No complaints.
- 5 out of 5 starsReviewed on 5/11/2025
I can not think of any one thing. GREAT JOB BY ALL! Thank you.
- 5 out of 5 starsReviewed on 5/5/2025
We always have a great visit and all our concerns are addressed!
- 5 out of 5 starsReviewed on 5/5/2025
Dr. Halligan is great! Thank you!
- 5 out of 5 starsReviewed on 5/3/2025
My care could not be any better, my doctor could not be any better. I am feeling better every day thanks to his care for me.
- 5 out of 5 starsReviewed on 4/27/2025
Nothing more could have been done. I was impressed with the care I received.
- 5 out of 5 starsReviewed on 4/24/2025
Everything was perfect at the medical consultation, thank you.
- 5 out of 5 starsReviewed on 4/19/2025
As you notice I checked most definitely . That is exactly as I feel about My Visit with Dr Halligan. He was so Professional and explained every thing where I could understand I thank my Doctor and Prisma Health.