Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
FemaleLocations
- Willoughby Hills Family Health Center, North Building
- 2550 Som Center Road, Willoughby Hills, OH 44094
- Get Directions
- Consultants In Gastroenterology, Concord Township
- 7530 Fredle Drive, Suite 100, Concord Township, OH 44077
- Get Directions
Education & Board Certifications
Education
- Graduate School: Kent State University, 2017
- Undergraduate: Case Western Reserve University School of Medicine, 2012
Board Certifications
- Adult-Gerontology Primary Care Nurse Practitioner: American Academy of Nurse Practitioners Certification Board, 2017
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 2025-10-02, Dr. Millar 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.
Insurances Accepted
Ratings & Reviews
4.9 out of 5
122 ratings, 13 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 4/10/2026
Hannah Millar is my angel in disguise! She took the time to make sure I recovered from my colitis flare up and is always available when I need her. I recommend her to everyone I know! She''s amazing
- 5 out of 5 starsReviewed on 4/6/2026
Provider listened to me and let me voice my concerns and ordered proper tests based on my concerns. Very positive experience.
- 5 out of 5 starsReviewed on 4/6/2026
Hannah listened to my concerns and description of my symptoms. She clearly outlined what needed to be done to determine options for treatment.
- 5 out of 5 starsReviewed on 3/23/2026
Hannah Miller does an outstanding job! She is very professional and answers all questions throughly
- 5 out of 5 starsReviewed on 2/27/2026
Hannah was great. She explained everything well including options for follow-up testing and why she thought it could be helpful. Her visit notes are exceptionally good. They are thorough and accurate which is not the case with all providers.
- 5 out of 5 starsReviewed on 1/12/2026
Explanations about my complaints increased my trust of the provider.
- 5 out of 5 starsReviewed on 11/21/2025
Hannah is great! She listens to my concerns and has been working diligently to ensure that she's providing the best possible treatment plan for me as a patient.
- 5 out of 5 starsReviewed on 10/23/2025
Dr Millar takes the extra step to make sure that her patients are well taken care. She takes the time to listen and answer your questions. She Is caring, kind and has your best Interest at hand. She is exceptional in what she does.
- 5 out of 5 starsReviewed on 10/8/2025
Hannah Is caring, knowledgeable & explains everything to me & answers all my questions. She's great!
- 5 out of 5 starsReviewed on 9/23/2025
An excellent provider. I'm so grateful I was referred to her.
- 5 out of 5 starsReviewed on 9/10/2025
She was thorough and right on track with what was happening to me. Outstanding!
- 5 out of 5 starsReviewed on 5/4/2025
Hannah is excellent. She listened, addressed all of my problems and solved a chronic condition. She is wonderful!
- 5 out of 5 starsReviewed on 4/29/2025
She was fantastic!! Answered all my questions and felt very comfortable talking to her