Eileen Montalvan Fernandez, MD

4.938 ratings

Endocrinology

Accepting New Patients

Highlights

Age Groups Seen

Adults
Geriatrics

Languages

English

Provider Gender

Female

About Eileen Montalvan Fernandez and Banner Safety Practices

Care Philosophy

As a physician, I believe in starting every encounter by truly listening to my patients. I strive to provide clear, evidence-based information about their condition and what to expect, along with a range of treatment options. My goal is to empower patients to make informed decisions that align with their values and lifestyle, so we can work together as partners in their health.

Specializing In

Hormone-related conditions and disorders of the endocrine glands. This includes managing diabetes, thyroid disease, osteoporosis, adrenal and pituitary disorders.

Interests & Activities

Outside of medicine, I enjoy running, yoga, and biking as ways to stay active and grounded. I also love traveling and reading, which allow me to explore new perspectives.

All Banner facilities are pleased to provide interpretation services to our patients and their companions for no charge - just ask when you arrive.

Expertise

Education

Fellowship: University of Arizona College of Medicine, Endocrinology, 2025
Residency: North Alabama Medical Center, Internal Medicine, 2023
Medical School: Universidad De Panama Facultad De Medicina, 2015

Board Certifications

Endocrinology, Diabetes and Metabolism: American Board of Internal Medicine-Endocrinology, Diabetes & Metabolism, 2025
Internal Medicine: American Board of Internal Medicine, 2023

Video

Locations

Banner - University Medicine North
- 3838 North Campbell Avenue, Building 2, Tucson, AZ 85719
- phone: 520-694-8888
- fax: 520-874-4848

Testimonials

4.9 out of 5.0

38 ratings

All patient experience ratings and testimonials are submitted by actual patients and verified by a leading independent customer experience company. Patient identities are withheld to ensure confidentiality and privacy.

Search reviews

Search Reviews

5 out of 5 stars
Reviewed on 1/7/2026
She's the BEST and the student there was the best too so concerning about my medical condition
5 out of 5 stars
Reviewed on 1/7/2026
My provider always explains so I can understand correctly, friendly and professional.
5 out of 5 stars
Reviewed on 12/19/2025
Dr Montalvan is very friendly, courteous and professional. She is also very knowledgeable and is a great communicator.
5 out of 5 stars
Reviewed on 12/8/2025
This was an initial visit. Dr. Montalvan was VERY prepared-she had reviewed my medical records and asked relevant questions. She was professional, knowledgeable, patient and obviously caring. This was the best initial medical appointment I have ever had!!
5 out of 5 stars
Reviewed on 12/8/2025
Thorough, educational, easy to work with.
5 out of 5 stars
Reviewed on 12/1/2025
I loved my appt! I finally have someone who listened, like I'm not crazy and I have true concerns with thorough explanations by the doctor.
5 out of 5 stars
Reviewed on 12/1/2025
I am very happy with my doctor Montalvan. She is very professional and very friendly and excellent doctor
5 out of 5 stars
Reviewed on 11/20/2025
She listened, she suggested, she answered our questions and she was lovely
5 out of 5 stars
Reviewed on 11/17/2025
Professional attitude, polite and doesn't rush me.
5 out of 5 stars
Reviewed on 11/12/2025
Excellent
5 out of 5 stars
Reviewed on 11/10/2025
Dr Montalvan is excellent. Caring, informative, and she inspires confidence in the level of care provided
5 out of 5 stars
Reviewed on 10/25/2025
She is one of the best providers I've experienced. She lives the banner values.
5 out of 5 stars
Reviewed on 10/23/2025
I love my doctor she's is the most caring and kind doctors that I have ever seen
5 out of 5 stars
Reviewed on 10/22/2025
Dr. Montalvan is a great provider. I'm lucky to have her as my endocrinologist.
5 out of 5 stars
Reviewed on 10/7/2025
Dr. Montalvan is a kind, compassionate, caring, knowledgeable and trustworthy physician. She never rushes you and explains things so you understand. I am so glad she was available to take me as a patient.
5 out of 5 stars
Reviewed on 10/2/2025
Very informative, listened and made sure I understood everything
5 out of 5 stars
Reviewed on 9/23/2025
She explained all my issues very carefully so I could understand. She made me feel comfortable.
5 out of 5 stars
Reviewed on 9/20/2025
Very personable. Talked me through everything. Made me very comfortable
5 out of 5 stars
Reviewed on 9/12/2025
Great rapport, very caring.
5 out of 5 stars
Reviewed on 2/17/2025
She's great! Obvious she knows her stuff and also very personable. She listens, communicates options clearly with every pro/con. Care decisions are a joint effort.
5 out of 5 stars
Reviewed on 2/8/2025
She was very kind, thorough, competent and made sure an opportunity was given to address any questions or concerns. She also exhibited
5 out of 5 stars
Reviewed on 11/14/2024
She is so thorough and we learned so much meeting with her. She ok the time to explain to me things that I had never been aware of!
5 out of 5 stars
Reviewed on 7/20/2024
She's simply the BEST. Just took the time to explain about what was going on with me and answered all my questions and doubts. I felt so much better leaving there she really cared
5 out of 5 stars
Reviewed on 7/6/2024
Bright, caring, female doctor
5 out of 5 stars
Reviewed on 6/24/2024
Very knowledgeable and thorough
5 out of 5 stars
Reviewed on 5/18/2024
Dr. Montalvan Fernandez is kind, compassionate, and knowledgeable. She takes time to explain things clearly and is empathetic when doing so!
5 out of 5 stars
Reviewed on 10/2/2023
She takes the time to explain.
5 out of 5 stars
Reviewed on 10/22/2025
Dr Montalvon provides an atmosphere where it is easy to ask questions and understand any changes she recommends.