Are you a healthcare professional?
Is this your profile?
background
background
Dr. Mark Brennan, DO

Dr. Mark Brennan, DO

Vascular Surgery*
30+ years of experience

Dr. Mark Brennan, DO is a vascular surgeon in Johnson City, NY and has over 30 years of experience in the medical field. He graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 1994. He is affiliated with UHS Binghamton General Hospital. He is accepting new patients.

3.8 Star Rating
Based on 19 reviews 3.8 Star Rating (19 reviews)

Practice

30 Harrison St Ste 455 Johnson City, NY 13790

Make an Appointment

(607) 763-8100

At a Glance

  • Areas of Expertise
    Dr. Brennan specializes in the areas of General Surgery & General Vascular Surgery. • See board certifications
  • Friendly Staff
    Patients said the staff was friendly. • See reviews
ADVERTISEMENT
healthgrades-rx

Save money with free prescription discounts

Optum Perks and Healthgrades are subsidiaries of RVO Health.

Experience Check

Search for experience in a specific area

Learn more about experience and why treatment frequency matters

Insurance Check

Search for your insurance carrier and choose your plan type

Dr. Brennan's Reviews

Likelihood to recommend Dr. Brennan

3.8

19 ratings, 7 with a written review
5 Star
68%
68%
4 Star
0%
0%
3 Star
0%
0%
2 Star
5%
5%
1 Star
26%
26%

Your trust is our top concern. Learn more.

We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.

All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.

Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.

Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.

RecentHighestLowestMost Helpful
What went well
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jul 29, 2024
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
4 people found this helpful
Helpful
Katrina in Binghamton, NY – Jun 01, 2017
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
3 people found this helpful
Helpful
Binghamton, NY – Mar 17, 2017
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
3 people found this helpful
Helpful
Eugene e Jones in Whitney Point, NY – Dec 28, 2016
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
5 people found this helpful
Helpful
Susan G in Newark Valley, NY – Nov 14, 2016
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
4 people found this helpful
Helpful
Suzanne Tuch in Endicott, NY – Jan 04, 2016
×Post a ResponseAre you Dr. Mark Brennan, DO?
What went well
No results
What could be improved
  • Long wait times
8 people found this helpful
Helpful
Timothy allen in Johnson city,ny – Dec 31, 2015
×Post a ResponseAre you Dr. Mark Brennan, DO?

Leave a review

How was your experience with Dr. Brennan?

Know Before You Go

About Me

biography

Dr. Mark Brennan, DO is a vascular surgeon in Johnson City, NY and has over 30 years of experience in the medical field. He graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 1994. He is affiliated with UHS Binghamton General Hospital. He is accepting new patients.

  • Vascular Surgery

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Philadelphia College Of Osteopathic Medicine

    Medical School, 1994
American Osteopathic Association®
American Osteopathic Board of Surgery®
- 
General Surgery
- 
General Vascular Surgery
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

Focus on ATTR-CM

Locations

Practice

Office30 Harrison St Ste 455 Johnson City, NY 13790
1

Practice

Office346 Grand Ave Johnson City, NY 13790
2

Affiliated Hospitals

  • UHS Binghamton General Hospital

    10-42 Mitchell Ave
    Binghamton, NY 13903
    Recipient of 3
    hospital awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    72%
    Patients said that nurses always listened to them and explained things well

    3% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality