
Jennifer Williams Tanio, MD
Cardiology
Highlights
Age Groups Seen
- Young Adult 18-25
- Adult 26-64
- Older Adult 65+
Languages
- English
In-Network Plans
View All Accepted Plans (12)Gender
FemaleJohns Hopkins Affiliations:
- Johns Hopkins School of Medicine Faculty
About Jennifer Williams Tanio
Primary Academic Title
Assistant Professor of Medicine
Johns Hopkins Physician
Background
Dr. Jennifer Tanio is a cardiologist at the Johns Hopkins Health Care and Surgery Center at Green Spring Station.
Dr. Tanio received her B.A. from Johns Hopkins University and her M.D. from the University of Pennsylvania School of Medicine. She completed her residency at the University of Pennsylvania and pursued cardiology fellowships at the University of Pennsylvania and the Johns Hopkins University School of Medicine. Dr. Tanio worked in private practice before joining the Johns Hopkins cardiology faculty.
Dr. Tanio’s clinical expertise includes preventive cardiology and heart disease.
Centers and Institutes
Selected Publications
Pauly, D. F., Morss, S. E., Tanio, J. W., Irani, K., Cameron, D. E., Schulmam, S. P., & Hare, J. M. (1999). Reduced left ventricular dimension and normalized atrial natriuretic hormone level after repair of aortic coarctation in an adult. Clinical Cardiology, 22(3), 233-235.
Tanio, J. W, Fortuin, N.J.: Mitral regurgitation. In Lima JAC:Diagnostic Imaging In Clinical Cardiology, Martin Dunitz, London, 1996.
Tanio, J.T., Basu, C.B., Albelcla, S.M., Eisen, H.J.: Differential Expression of the Cell Adhesion Molecules ICAM-1, VCAM-1, and E-Selection in Normal and Post-Transplantation Myocardium. Circulation 89:1760.1994.
Tanio, J.W., Eisen, H.J.: Medical Aspects of Cardiac Transplantation. Hospital Practice 28:61-74, 1993.
Tanio, J.W., Belland, S.E., Newton, N., Raju, G.P., Humen, N., Eisen, H.J.: Noninvasive Detection of Myocarditis Using Radiolabeled Monoclonal Antibiodies to T Helper Cell Antigens. Circulation 88:1-250, 1993.
Eisen, I-I.J., Newton, N., Tanio, J.W., Humen, N., Belland, S.E.: Development and characterization of a model of autoimmune myocarditis in rats. Circulation 88:1- 553, 1993.
Tanio, J.W., Albelda, S.M., Tomaszewski, LB., Eisen, I-ll: Endothelial Cell Adhesion Molecule Expression in Endomyocardial Biopsy Specimens Following Cardiac Transplantation. Clinical Research 1_l: 198A, 1993.
Basu, C., Williams, LT., Belland, S.E., Mull, R.L., Eisen, I-LT.: Intercellular Adhesion molecule-1 Levels Cannot Detect Significant Rejection in Cardiac Transplant Patients. J Heart Transplant l2:S97, 1993.
Eisen, H.J., Belland, S.E., Williams, JJ., Raju, G.P.: In Vivo Thymic Transfection in Rats Using Direct Injection of Plasmid DNA Without Vectors. Circulation 86:I-627, 1992.
Williams, J.J., Eisen, I--LT., Tomaszewski, LE., Albelda, S.M.: Expression of Intercellular Adhesion Molecule-1 in Viral Myocarditis. Circulation 86:1-57, 1992.
Eisen, H.J., Belland, S.E., Williams, .T..T., Matiuck, N.G., Raju, G.P.: In Vivo Gene Transfer into Thymuses and Cardiac Transplants in Rats. J Heart Transplant ll:211, 1992.
Eisen, H.J., Belland, S.E., Willams,J.J., Schwartz, M.B., Razju, G.P., Perloff, L.J.: Noninvasive Detection of Cardia Transplant Rejection using Radiolabeled Monoclonal Antibodies to SpecificMHC Class II Antigens. Journal of the American College of Cardiology 19:82A, 1992.
Honors
Fellow, American College of Cardiology, 1/1/03
Locations
- Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
- 10755 Falls Road, Pavilion I STE 360, Lutherville, MD 21093
- Get Directions
- phone: 443-997-0270
- fax: 410-367-2448
Expertise
Education
- Fellowship: Johns Hopkins University School of Medicine, Cardiology, 1996
- Fellowship: Hospital of the University of Pennsylvania , Cardiology, 1993
- Residency: Hospital of the University of Pennsylvania , Internal Medicine, 1992
- Medical Education: Hospital of the University of Pennsylvania , MD, 1989
Board Certifications
- Cardiovascular Disease: American Board of Internal Medicine, 1997
Insurance
- Aetna
- CareFirst
- Cigna
- First Health
- Geisinger Health Plan
- HealthSmart/Accel
- Johns Hopkins Health Plans
- MultiPlan
- Pennsylvania's Preferred Health Networks (PPHN)
- Point Comfort Underwriters
- Private Healthcare Systems (PHCS)
- Veteran Affairs Community Care Network (Optum-VACCN)
Ratings & Reviews
4.9 out of 5
391 ratings, 148 reviewsThe Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
- 5 out of 5 starsReviewed on 3/23/2026
Informative, helpful in advising solutions for concerns.
- 5 out of 5 starsReviewed on 3/20/2026
Professional and personable
- 5 out of 5 starsReviewed on 3/18/2026
GreatThoughtful caring
- 5 out of 5 starsReviewed on 3/17/2026
She is excellent
- 5 out of 5 starsReviewed on 3/10/2026
Very caring person
- 5 out of 5 starsReviewed on 3/10/2026
Very attentive, efficient, extremely personable and caring, up to date on current medical issues and treatments specifically related to her specialty.
- 5 out of 5 starsReviewed on 3/9/2026
A Great Dr Tanio. She bin my Dr since 1998.
- 5 out of 5 starsReviewed on 3/9/2026
Dr Tanio is the best doctor to have taking care of my heart issues
- 5 out of 5 starsReviewed on 3/6/2026
Listens carefully, shares information clearly
- 5 out of 5 starsReviewed on 3/5/2026
Dr.Tanio is an excellent provider.
- 5 out of 5 starsReviewed on 3/3/2026
Dr Tanio is concerned, attentive, thorough about my health. She takes very good care of me.
- 5 out of 5 starsReviewed on 3/2/2026
Need more like her
- 5 out of 5 starsReviewed on 2/27/2026
Dr Tanio is incredibly professional, caring, knowledgeable, kind, warm, patient, gracious.
- 5 out of 5 starsReviewed on 2/27/2026
Dr. Tanio is very current and up to date about my present health issues. In fact she is very knowledgeable and current about all of our family's health and current issues (that is mine, my wife's, and my sister-in-law who has been living with us for 20 years).
- 5 out of 5 starsReviewed on 2/18/2026
I was very satisfied my appointment
- 5 out of 5 starsReviewed on 2/17/2026
Dr Tanio was very clear about her decisions regarding recommendations regarding medication than she recommended and why
- 5 out of 5 starsReviewed on 2/16/2026
Skiled Practioner,thorough, thoughtful, empathetic
- 5 out of 5 starsReviewed on 2/16/2026
Excellent physician who has been a great advocate for my care
- 5 out of 5 starsReviewed on 2/13/2026
Always thorough and professional.
- 5 out of 5 starsReviewed on 2/13/2026
The provider was very knowledgeable, she was up to date with my history.
- 5 out of 5 starsReviewed on 2/13/2026
She is very precise and reassuring about my Cardiovascular health.
- 5 out of 5 starsReviewed on 2/13/2026
Dr. Tanio deserves her excellent reputation. Her initiative revealed a blocked artery that was not showing any symptoms. A stent cleared the blockage.
- 4 out of 5 starsReviewed on 2/13/2026
Dr. Tanio has been a great support and advisor to improve my over all health. She has really provided the medical tools to make me healthier and supported me on my journey to a healthier life style. Excellent physician.
- 5 out of 5 starsReviewed on 2/12/2026
Dr Tanio is thorough, extremely knowledgeable, invested in giving good and complete care, as well as showing kindness and compassion. I feel well taken care of with Dr Tanio as my cardiologist. After I had a minor stroke, she was the Dr who stepped up to try to develop a more complete picture of what happened, and why, through a series of studies and tests. I feel that she sees me as an Individual rather than just another body who has shown up In her office. Would definitely Recommend her for anyone needing a cardiologist.
- 5 out of 5 starsReviewed on 2/9/2026
Provider was on time. Provider explained everything clearly and answered all my questions.
- 5 out of 5 starsReviewed on 2/3/2026
Dr. Tanio is a gem if JHM can keep her
- 5 out of 5 starsReviewed on 2/2/2026
Respectful and compassionate.
- 5 out of 5 starsReviewed on 1/27/2026
I need to see Dr Tanio once per year, because of the atrial fibrillation diagnosis I had about ten years ago. She has been good and I find her understandable.
- 5 out of 5 starsReviewed on 1/27/2026
Dr. Tanio is excellent!
- 5 out of 5 starsReviewed on 1/26/2026
Very informative
- 5 out of 5 starsReviewed on 1/26/2026
She's the best
- 5 out of 5 starsReviewed on 1/23/2026
Dr.Tanio is the best. She listens, explains, and I'm confident under her care.
- 5 out of 5 starsReviewed on 1/22/2026
Great
- 5 out of 5 starsReviewed on 1/22/2026
There is no finer cadiac health provider. Have been a patient for 25 years and know beyond a shadow of doubt that her care saved my life in 2011 (CABG).
- 5 out of 5 starsReviewed on 1/19/2026
Dr Tanio is excellent. 10/10.
- 5 out of 5 starsReviewed on 1/14/2026
Thorough. Knowledgeable Efficient
- 5 out of 5 starsReviewed on 1/14/2026
She is excellent.
- 5 out of 5 starsReviewed on 1/13/2026
She was effective and fulfilling of my expectations of her
- 5 out of 5 starsReviewed on 1/12/2026
Dr Tanio listens to my inputs and/or concerns, and provides options and suggestions that can be implemented in a timely manner.
- 5 out of 5 starsReviewed on 1/12/2026
Dr Tanio complete my exam and answer all questions I had and ordered other test to complete her exam of me.
- 5 out of 5 starsReviewed on 1/9/2026
Dr Tanio is a phenomenal doctor. I am so grateful for her expertise, professionalism, kindness, caring, graciousness.
- 5 out of 5 starsReviewed on 1/8/2026
Very thorough and helpful. Listened carefully, reviewed results extensively, instills great confidence, open to questions ... But excellent at focusing visit to key factors. Courteous and explains things clearly and clear with here analysis. Written notes are extensive and thorough.
- 5 out of 5 starsReviewed on 1/6/2026
Competent and friendly
- 5 out of 5 starsReviewed on 1/2/2026
Dr Tanio is the absolute best.
- 5 out of 5 starsReviewed on 12/22/2025
Dr. Tanio is brilliant And thorough.
- 5 out of 5 starsReviewed on 12/22/2025
Always excellent
- 5 out of 5 starsReviewed on 12/19/2025
Excellent!!!
- 5 out of 5 starsReviewed on 12/19/2025
Dr. Tanio is thorough and reassuring.
- 5 out of 5 starsReviewed on 12/18/2025
Excellent
- 5 out of 5 starsReviewed on 12/18/2025
Very good in maintaining appointment timeline.
- 5 out of 5 starsReviewed on 12/16/2025
Great experience
- 5 out of 5 starsReviewed on 12/16/2025
Everyone was very courteous kind and very friendly and professional. I highly recommend this office.
- 5 out of 5 starsReviewed on 12/16/2025
Her communication has been timely.
- 5 out of 5 starsReviewed on 12/15/2025
This visit was my annual check-up with my Cardiologist. She explained what was found on my Echo Test the week prior and what to look for if it should change.
- 5 out of 5 starsReviewed on 12/12/2025
Excellent, as always.
- 5 out of 5 starsReviewed on 12/11/2025
Very competent and compassionate shows an honest concern about your health and overall being.
- 5 out of 5 starsReviewed on 12/11/2025
Dr. Tanio is absolutely first class in all she does for me.
- 5 out of 5 starsReviewed on 12/11/2025
Dr. Tanio is a superb cardiologistoutstanding clinician and extremely caring, patient-focused, with wonderful communication skills.
- 5 out of 5 starsReviewed on 12/4/2025
Dr. Tanio was very thorough. I could tell she had been reading my medical records and I felt that she knew my situation before she walked inthe door.
- 5 out of 5 starsReviewed on 12/2/2025
Excellent in all respects!
- 5 out of 5 starsReviewed on 12/1/2025
I am extremely grateful to be in this practice. Dr. Tanio is exceptionally competent, professional, and prepared. She is compassionate, knowledgeable, and makes you feel that you are her only patient.
- 5 out of 5 starsReviewed on 12/1/2025
She is considerate, willing to answer questions, thoroughly prepared.
- 5 out of 5 starsReviewed on 11/24/2025
Her knowledge base reassured me. She was pleasant and professional.
- 5 out of 5 starsReviewed on 11/24/2025
I have been very pleased about the professionalism of all the employees.
- 5 out of 5 starsReviewed on 11/21/2025
Have been seeing this Doctor for 10 yearsAnd feel well taken care of .
- 5 out of 5 starsReviewed on 11/21/2025
Dr. Tanio is knowledgeable and helpful.
- 5 out of 5 starsReviewed on 11/19/2025
Dr Tanio is the best.
- 5 out of 5 starsReviewed on 11/19/2025
Very professional and competent.
- 5 out of 5 starsReviewed on 11/18/2025
DR Tanio is always very professional and courteous.Dr Tanio completely explains the current status of my medical condition and her recommendations. I am very fortunate having Dr Tanio as my cardiologist
- 5 out of 5 starsReviewed on 11/18/2025
Amazing she listened and perfectly articulated how I was feeling
- 5 out of 5 starsReviewed on 11/14/2025
She is one of my favorites
- 5 out of 5 starsReviewed on 11/13/2025
Make you feel comfortable asking questions! Only good experiences
- 5 out of 5 starsReviewed on 11/10/2025
Excellent
- 5 out of 5 starsReviewed on 11/7/2025
Excellant
- 5 out of 5 starsReviewed on 11/6/2025
Dr. Tanio listened well and was very professional, pleasant, and clear in her communication and evaluation of my condition.
- 5 out of 5 starsReviewed on 11/6/2025
Dr. Tanio is the best!!!
- 5 out of 5 starsReviewed on 11/4/2025
Excellent physician. Thorough, direct communication. Caring and listening
- 5 out of 5 starsReviewed on 11/4/2025
Very personal and very thorough-I am very happy that I feel well cared for-
- 5 out of 5 starsReviewed on 11/4/2025
Dr. Tanio is the best.
- 5 out of 5 starsReviewed on 11/3/2025
She is terrific
- 5 out of 5 starsReviewed on 11/3/2025
Excellent. Thank you
- 4 out of 5 starsReviewed on 11/3/2025
Dr. Tanio is an excellent provider.
- 5 out of 5 starsReviewed on 10/30/2025
Dr. Tanio is terrific
- 5 out of 5 starsReviewed on 10/27/2025
I think she is the best cardiologist I have seen.
- 5 out of 5 starsReviewed on 10/20/2025
Excellent and very thoughtful and thorough in explaining my situation.
- 5 out of 5 starsReviewed on 10/20/2025
Dr Tanio was excellent .
- 5 out of 5 starsReviewed on 10/14/2025
A great physician
- 5 out of 5 starsReviewed on 10/14/2025
Excellent
- 5 out of 5 starsReviewed on 10/10/2025
Dr Jennifer Tanio is outstanding in every way. I appreciate her deep knowledge of cardiology and my particular medical issues and feel fortunate to have her as my doctor. She is thorough in her assessments and explanations.
- 5 out of 5 starsReviewed on 10/10/2025
She was great
- 5 out of 5 starsReviewed on 10/6/2025
Dr. Tanio listened to me and was very thorough.
- 5 out of 5 starsReviewed on 10/3/2025
Excellent
- 5 out of 5 starsReviewed on 9/30/2025
My provider is thorough and very concerned about my health care.
- 5 out of 5 starsReviewed on 9/29/2025
Excellent communicator.
- 5 out of 5 starsReviewed on 9/29/2025
She is great. She thoroughly reviews my health changes and discusses any issue that I bring up
- 5 out of 5 starsReviewed on 9/26/2025
Very happy with office And Dr Tanio is the BEST
- 5 out of 5 starsReviewed on 9/23/2025
Dr. Tanio is great. She really understands me.
- 5 out of 5 starsReviewed on 9/19/2025
Friendly and polite, very helpful
- 5 out of 5 starsReviewed on 9/17/2025
Dr Tanio had scheduled an echocardiogram and the telehealth meeting was for her to go over results.
- 3 out of 5 starsReviewed on 9/16/2025
Provider's bedside manner was not the best
- 5 out of 5 starsReviewed on 9/15/2025
Dr Tanio is caring and takes time to explain a situation.
- 5 out of 5 starsReviewed on 9/15/2025
Provider did a great job as always. Explained options for treatment and committed to follow-up with another doctor in the practice on an issue.
- 5 out of 5 starsReviewed on 9/8/2025
Shes very thorough with all my health issues
- 5 out of 5 starsReviewed on 9/5/2025
A very good visit
- 5 out of 5 starsReviewed on 9/5/2025
Excellent
- 5 out of 5 starsReviewed on 9/4/2025
Dr. Tanio literally saved my life with her thorough follow through last year.
- 5 out of 5 starsReviewed on 9/2/2025
Dr. Tanio is a top notch cardiologist and I am fortunate to have her as my doctor.
- 5 out of 5 starsReviewed on 9/2/2025
Dr Tanio takes time before visit to review notes and when in person with you
- 5 out of 5 starsReviewed on 9/2/2025
Great communicator
- 5 out of 5 starsReviewed on 9/2/2025
The doctor seemed very competent and personable. I felt that I was in good hands.
- 5 out of 5 starsReviewed on 8/28/2025
Professional, quick to the point
- 5 out of 5 starsReviewed on 8/28/2025
As always, Dr. Tanio was wonderful. Very up-to-date and knowledgeable about my medical history and conditions, extremely caring, attentive to my needs, everything that a patient values in their doctor!
- 5 out of 5 starsReviewed on 8/26/2025
John Hopkins is very fortunate to have a Doctor of a caliber of Dr. Tanio Why would she say she definitely say my life by taking me as a patient?
- 5 out of 5 starsReviewed on 8/20/2025
Excellent knowledge advice
- 4 out of 5 starsReviewed on 8/19/2025
Dr. Tanio had a student shadowing her. I was not asked if I minded him being present, only introduced to him. I was a bit surprised to find out he was only 16 years old.
- 5 out of 5 starsReviewed on 8/19/2025
She answers questions in a very direct and helpful way. I left the appointment feeling that she had answered my questions fully, clearly, and helpfully.
- 5 out of 5 starsReviewed on 8/14/2025
She is an expert in the field of cardiology
- 5 out of 5 starsReviewed on 7/30/2025
The best
- 5 out of 5 starsReviewed on 7/29/2025
I have been seeing Johns Hopkins cardiologist since I moved here 37 years ago. How was the patient of [staff] for many years. When he retired I started seeing Dr. Tanio. All doctors are. Excellent.
- 5 out of 5 starsReviewed on 7/24/2025
She listens carefully to what I say and clarifies the issues. She is very precise in ordering necessary blood work and following up with corrective medication and office visits. She does an excellent job in monitoring my cardiac symptoms.
- 5 out of 5 starsReviewed on 7/23/2025
Dr. Tanio goes above and beyond to help, answer questions via my chart, called us while in the hospital to answer questions. We are very grateful for the care and attention given.
- 5 out of 5 starsReviewed on 7/15/2025
Very composed and competent
- 3 out of 5 starsReviewed on 6/26/2025
Very rushed due to limited resources which in my opinion not good for a first/new patient.
- 5 out of 5 starsReviewed on 6/26/2025
Communicated well
- 5 out of 5 starsReviewed on 6/24/2025
I felt the provider Dr.Tanio was very efficient and knowledgeable.
- 5 out of 5 starsReviewed on 6/16/2025
Great
- 5 out of 5 starsReviewed on 6/10/2025
I had confidence in the Doctor's knowledge and recommendations
- 5 out of 5 starsReviewed on 6/10/2025
Dr. Tanio is a first rate doctor and I feel lucky to have her as my cardiologist.
- 4 out of 5 starsReviewed on 6/9/2025
While our time was limited - I felt that Dr. Tanio was attentive to my questions and made a connection with me in that time.
- 5 out of 5 starsReviewed on 6/9/2025
Excellent
- 5 out of 5 starsReviewed on 6/6/2025
Dr Tanio is amazing!
- 5 out of 5 starsReviewed on 6/6/2025
Sharp, efficient, caring, not afraid to show her human side
- 5 out of 5 starsReviewed on 6/4/2025
Always on top of things and easy to talk to.
- 5 out of 5 starsReviewed on 6/2/2025
Dr. Tanio is extremely thorough
- 5 out of 5 starsReviewed on 5/23/2025
Dr. Tanio is incredibly professional, intelligent, efficient, wise, knowledgeable, warm, caring, kind, supportive, gentle - a phenomenal doctor and human being. I'm so very grateful for her.
- 5 out of 5 starsReviewed on 5/22/2025
Dr Tanio is thorough and professional.
- 5 out of 5 starsReviewed on 5/22/2025
Glad Johns Hopkins can take care of me after my heart stents procedure 5 years ago
- 4 out of 5 starsReviewed on 5/19/2025
She is very straightforward. She was running about 15 minutes late - I just wish I had been told that when I was taken into the exam room.
- 5 out of 5 starsReviewed on 5/13/2025
Dr is familiar with my health history and provided straightforward medical advice.
- 5 out of 5 starsReviewed on 5/12/2025
Very thorough
- 5 out of 5 starsReviewed on 5/1/2025
She is very concerned about my health and wellbeing
- 5 out of 5 starsReviewed on 5/1/2025
Happy to have Dr Tanio as my cardiologist
- 5 out of 5 starsReviewed on 5/1/2025
She is an excellent doctor. She is caring. Explains things well, and follows up on needed care. Would highly recommend her.
- 5 out of 5 starsReviewed on 4/30/2025
Dr Tanio is following my case over a period of years. I am confident she will be attentive and thorough to my health.
- 5 out of 5 starsReviewed on 4/25/2025
Very good visit
- 5 out of 5 starsReviewed on 4/25/2025
Professional, Thorough
- 5 out of 5 starsReviewed on 4/17/2025
Dr. Tanio fully explained an issue, and I appreciated the time she spent discussing it with me.