Highlights
Age Groups Seen
- Adolescent
- Adult
Languages
- English
Gender
FemaleEducation & Board Certifications
Education
- Graduate School: Case Western Reserve University, 2010
- Undergraduate: Case Western Reserve University, 2006
- Undergraduate: University of Dayton, 2003
Board Certifications
- Family Nurse Practitioner: American Nurses Credentialing Center (ANCC), 2020
- Pediatric Nurse Practitioner: Pediatric Nursing Certification Board, 2010
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-11-03, Dr. Mullin has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Ratings & Reviews
4.9 out of 5
187 ratings, 30 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 5/4/2026
Katy was great! She was thorough in answering any and all questions and concerns abouy my diabetes. She had a wonderful personality and I enjoyed working with her. She got back quickly via mychart with questions that I had about my count.
- 5 out of 5 starsReviewed on 5/4/2026
Kathryn Mullen is the most wonderful and considerate professional. She listens and always points me in the right directions. She is the reason I have listened to 71 pounds so far. Without her I would still be struggling with my weight! She is an angel!
- 5 out of 5 starsReviewed on 4/27/2026
Dr. Mullins is one of the greatest doctors I''ve ever had to deal with and she''s really helping me out
- 5 out of 5 starsReviewed on 4/6/2026
I am very happy with my Doctor
- 5 out of 5 starsReviewed on 4/6/2026
She was so sweet, attentive and truly listened to me and my concerns, took her time and met my neede
- 5 out of 5 starsReviewed on 3/12/2026
This was my first time seeing this provider! I was so impressed with the treatment, knowledge and consideration for my health that I received.
- 5 out of 5 starsReviewed on 2/3/2026
Doctor Mullin is the most upbeat cheerful doctor that I have ever encountered. I hate going to doctor appointments, but she makes them tolerable. Doctor Mullin really seems to care about me as a person
- 5 out of 5 starsReviewed on 1/26/2026
Ms Mullin has a great personality she is very positive she listens to my concerns and explains my condition she has a great smile that makes you feel welcome
- 5 out of 5 starsReviewed on 1/26/2026
Kathryn always makes my appointments enjoyable. She is very personable and informative. What I love most is how down to earth she is. Highly recommend her to others.
- 5 out of 5 starsReviewed on 1/14/2026
Everything went very well. Dr w d nt over everything about my cancer that I asked about.
- 5 out of 5 starsReviewed on 1/14/2026
I'm always very pleased with my visits and care from Dr. Mullens and her staff.
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Mullens is very personable and easy to talk to
- 5 out of 5 starsReviewed on 1/12/2026
She listened intently, showed empathy, has In-depth knowledge of my disease process & she portrays every quality you would want from a provider. I believe she Is a real asset to the CCF.
- 5 out of 5 starsReviewed on 12/29/2025
She is very nice to talk to, will listens n cares
- 5 out of 5 starsReviewed on 12/22/2025
Kati is an amazing professional who knows her stuff and listens attentively.
- 5 out of 5 starsReviewed on 12/22/2025
I love Dr. Mullin she's very easy to talk to and very helpful she supports you and she cheer you on to do better she is the best. I'm so glad I agreed to see her
- 5 out of 5 starsReviewed on 12/9/2025
Dr. Katherine Mullins is a very caring and compassionate doctor who genuinely cares about her patients.
- 5 out of 5 starsReviewed on 12/9/2025
Katherine was an excellent at hearing my problems and in helping decide on solution. She was extremely personable while staying very professional.
- 5 out of 5 starsReviewed on 11/13/2025
I REALLY,REALLY liked her. I wish all providers were as kind and personable as she was.
- 5 out of 5 starsReviewed on 9/23/2025
Dr Mullins is an incredible doctor. She is very good at everything she does.
- 5 out of 5 starsReviewed on 9/23/2025
NP was beyond very excellent and great bedsiide manner
- 5 out of 5 starsReviewed on 9/23/2025
She was also a very compassionate listener. Above and beyond the usual.
- 5 out of 5 starsReviewed on 8/4/2025
Katheryn is an amazing PA. She is more thorough and listens more intently than any other provider at Cleveland Clinic. I've never felt more genuinely cared for. She is well informed and asks great questions and we come to an agreed upon plan. Can't say enough great things abouther.
- 5 out of 5 starsReviewed on 7/29/2025
Katheryn Mullin is an excellent NP. She was very helpful and I plan on continuing me care with her. I would highly recommend her!
- 5 out of 5 starsReviewed on 6/24/2025
She is one of the best providers I have ever had.
- 5 out of 5 starsReviewed on 6/24/2025
My provider was very responsive to questions /concerns I had as a result of my appointment. I used My Chart to follow up and am very happy with her ability to listen and act .
- 5 out of 5 starsReviewed on 6/24/2025
Took her time explaining - great visit
- 5 out of 5 starsReviewed on 6/10/2025
I am extremely happy with my care with Katy Mullins and have recommended her to several people. I feel listened to and heard!! Her interest in helping me find the best treatment plan for me has been exceptional. She is by far the best care provider I have found at the cleveland clinic.
- 5 out of 5 starsReviewed on 5/22/2025
Ms Mullen listening to my concerns and resolutions was above the very good rating I give her 100% plus, would highly recommend her.
- 5 out of 5 starsReviewed on 5/22/2025
The provider was Excellent. She make sure that I understood everything during my visit. She was awesome!