Jason Biederman, D.O., F.A.C.O.I., F.A.S.N.

Dr. Jason Biederman was raised in Farmington Hills, MI. He earned his Doctorate in Osteopathic Medicine from Michigan State University after having completed his science bachelorate at the Massachusetts Institute of Technology. Dr. Biederman completed his Internal Medicine Residency at Botsford General Hospital where he was chosen as Intern of the Year. He continued his Nephrology & Hypertension subspecialty training at Henry Ford Hospital. Dr. Biederman has authored numerous research publications pertaining to the effects of diabetes on the kidney. He has been recognized as a fellow of the American Society of Nephrology and the American College of Osteopathic Medicine. Dr. Biederman is the Medical Director of Fresenius Medical Services’ Livonia and Garden City hemodialysis units. Dr. Biederman continues with his passion of delivering the most advanced medical treatments available with Hypertension Nephrology Associates.

“I am committed to providing my patients with timely, quality nephrology care.”

Kal Ismail, M.D.

Dr. Kal Ismail is a Michigan native and a Graduate of Wayne State University School of Medicine where he earned his medical degree with High Honors. He completed his residency in Internal Medicine at Henry Ford Hospital where he was awarded both Intern of the Year and Junior Resident of the Year and was subsequently chosen as a Chief Resident. Dr. Ismail continued at Henry Ford Hospital for his Nephrology subspecialty training where he also became Chief Nephrology Fellow. During his training Dr. Ismail was appointed to the Residency Review Committee for Internal Medicine; a committee of 20 members, which is responsible for regulating the education of medical, doctors nationwide. Dr. Ismail has served as Vice Chief of Staff at Henry Ford Macomb Hospital and is now the Nephrology Program Director at St. John Macomb Hospital. Dr. Ismail is the Medical Director of Fresenius Kidney Care Warren and Madison Heights hemodialysis units. Dr. Ismail is committed to providing personalized, state-of-the-art, collaborative care to his patients.

“My passion is to truly connect with patients and learn about their values such that we may together orchestrate a treatment plan that is individualized and effective. I am also committed to training new Nephrologists to do the same.”

Stacy Z. Ker, D.O.

Dr. Stacy Zwick Ker was born in Orrville, Ohio and is a graduate of Ohio University College of Osteopathic Medicine (OUCOM). Dr. Ker is a member of the National Osteopathic Honor Society which is an honor given to those showing a high degree of scholarship and service to their college and/or profession. Dr. Ker completed both her internship and residency in Internal Medicine at Botsford Hospital, located in Farmington Hills, Michigan. She then continued at Botsford Hospital to complete her Nephrology subspecialty program and was named Chief Nephrology Fellow in her final year of training. Currently, Dr. Ker is a member of the National Kidney Foundation (NKF), American Society of Nephrology (ASN) and the American Osteopathic Association (AOA).  Dr. Ker is the first physician in Hypertension Nephrology Associates to be certified by The American Society of Diagnostic and Interventional Nephrology (ASDIN)  in Hemodialysis Vascular Access Procedures.  In addition to vascular access work, Dr. Ker is very passionate about management of Chronic Kidney Disease and Hypertension and is certified as a “Specialist in Clinical Hypertension” by the American Society of Hypertension.

“I believe in educating patients about hypertension and working as their partner to achieve better health outcomes. There is more to hypertension than just treating it with a medication, and helping patients understand this, in an effort to improve their health, is important to me”.

Jahir E. Ramos, D.O.

Dr. Ramos was born in Panama City, Panama and is fluent in both English and Spanish. He received his undergraduate degree from the University of Miami and his Doctorate from the Arizona College of Osteopathic Medicine. His Internal Medicine Residency was completed at Oakwood Hospital-Southshore Campus where he served as chief Intern and subsequently as Chief Internal Medicine Resident. He went on to complete his Nephrology subspecialty training at St. John Macomb-Oakland Hospital and served as Chief Nephrology Fellow. Dr. Ramos has authored and co-authored several research articles ranging from topics in immunology and physiology to heart failure. Currently, Dr. Ramos is also a Flight Surgeon with the rank of Captain in the US Air Force, proudly serving in the Michigan Air Guard.

“I aim to connect with my patients on an individual level, recognizing that no two patients fit the same mold.”

Mark Marrone, M.D.

Dr. Mark Marrone was born in New York, New York and grew up in Northern New Jersey. He completed his undergraduate degree at Boston College, and earned his Medical Degree at American University of the Caribbean. Subsequently, he performed his Internship at University of Wisconsin in Milwaukee and completed his medical residency at St John’s Hospital in Detroit. He proceeded in obtaining and completing a Fellowship in the field of Nephrology at Wayne State University. In his final year of Fellowship training, he was named Chief Nephrology Fellow. Dr Marrone is very active in the teaching program at Botsford General Hospital where he has proudly been the recipient of four (4) Teacher of the Year awards. He was a member of the Scientific Advisory Board of the National Kidney Foundation from 2000-2003. Currently he is a member of the National Kidney Foundation (NKF), American College of Physician (ACP) and American Medical Association (AMA). He is the Chief of Nephrology at Botsford Hospital and Medical Director of Fresenius Medical Services Botsford Dialysis Center in Farmington Hills, Michigan. Dr. Marrone’s greatest joy is sharing the knowledge and experience that he has developed over the years with the medical students, interns, residents and fellows.

“I believe you need to give back what was given to you during your training.”

Crystal Martin, M.D.

Dr. Crystal R. Martin was born and raised in Detroit, Michigan. She graduated from University of Illinois at Chicago Medical School and completed her Internal Medicine residency at University of Illinois Hospital. She returned to Michigan in 1998 to complete her Nephrology subspecialty training at the University of Michigan. Dr. Martin joined Hypertension Nephrology Associates in 2000 and has been a dedicated to improving medical care in the Detroit metropolitan area. She served as member and chairperson of the St. John Detroit Riverview Hospital Internal Medicine/Family Practice Quality Assurance Committee, chairperson of Medical Care Evaluation Committee, and member of Medical Executive Board. She is presently the Medical Director of several Fresenius Kidney Care hemodialysis units. She has remained active in the teaching services at several hospitals and participates in community education through various community health fairs and service projects. Her special interests include Hypertension, Chronic Kidney Disease, and Lupus.

“I believe the doctor-patient relationship is a partnership. I believe in fully educating my patients on their disease and we work together to prevent or slow disease progression. Early preparation for future options, including kidney transplantation, is essential.”

Kelly Mercier, D.O.

Kelly Mercier, DO received both her undergraduate and medical degrees from Michigan State University. Throughout these years, she maintained her commitment to assisting the community and fellow classmates, often involved in educational services. She completed medical school as a member of Sigma Sigma Phi Honor Society. Dr. Mercier completed her Internal Medicine residency training at Botsford Hospital, located in Farmington Hills, Michigan. Her subspecialty training in Nephrology was performed at Botsford Hospital as well. During her final year of training, she was named the Chief Nephrology Fellow for her program. Currently, Dr. Mercier is a member of the American Society of Nephrology (ASN), the American College of Osteopathic Internists (ACOI), and the American Osteopathic Association (AOA). Her dedication to health maintenance and to her patients has continued to grow throughout her training.

“One of the most important things that we as physicians can do is listen to our patients. We need to work together in order to determine the best and most effective method to achieve both our goals of improved health and well-being.”

Michael S. Misuraca, D.O.

Dr. Michael Misuraca was born in Fort Lauderdale, Florida and is a graduate of Nova Southeastern University, School of Medicine. Dr. Misuraca is a member of the National Osteopathic Honor Society, having graduated in the top 25 of his class. Dr. Misuraca completed his internship and residency in Internal Medicine at Botsford Hospital in Farmington Hills, Michigan. Dr. Misuraca used the knowledge base and experience from that training to go forward and complete a fellowship in Nephrology at Botsford Hospital. As the first Nephrology fellow in Botsford Hospital’s long prestigious history, Dr. Misuraca has forged a path for future Nephrology fellows to follow. Presently with Hypertension Nephrology Associates, Dr. Misuraca practices the art of Nephrology with the utmost passion and dedication.

“I not only enjoy taking care of patients medically, but I also enjoy providing education as it pertains to patients personally”.

Alison Allor, PA-C

Alison is a board certified Physician Assistant who joined HNA from DMC Harper University Hospital. She is a native Michigander, born in Port Austin, MI (at the tip of the thumb)! She graduated valedictorian from high school and in the top 10% of her class at the University of Detroit Mercy in Detroit, where she obtained both her Bachelor and Master of Science degrees. Alison has completed formal training at Beaumont, St. John, DMC, and Garden City hospitals. Since graduation, she has worked as a PA in Southeast Michigan.

“I’ve wanted to work in medicine since I was a little kid, but I didn’t like blood. So funny that I work in a field that is all about cleansing the blood! The delicate balance between the kidneys and our other organs interests me. Plus, I like developing relationships with my patients that will provide insight into their healthcare that a list of labs and vitals cannot.”

Sharon Lewandoski, M.S.N., F.N.P., P.C.

Sharon Lewandoski, RN, MSN, FNP-BC is certified by ANCC as a Family Nurse Practitioner. She earned her Bachelors of Science in Nursing from Oakland University in 1994, and her Masters of Science in Nursing and Family Nurse Practitioner from Oakland University in 2004, graduating with honors. Sharon has had the privilege of working in nephrology since 1994, and joined Hypertension Nephrology Associates in 2004 as a Nurse Practitioner. She earned a Nephrology Nurse Certification (CNN) in 1996, and is a current member of American Nephrology Nurses Association. In addition to providing care to patients of our practice, Sharon holds an administrative position with HNA as Vice President of Clinical Operations.

Jen Behman, N.P.

Jen Behman was born in New Jersey and grew up in San Diego, California. She is certified by the American Association of Nurse Practitioners as a Family Nurse Practitioner. She earned her Bachelors of Science in Nursing from Pensacola Christian College in 2009, and her Masters of Science in Nursing and Family Nurse Practitioner from Chamberlain College of Nursing in 2016. “When I started as a dialysis nurse in 2012, I knew that I wanted to further my career in Nephrology.” She joined Hypertension Nephrology Associates as a Nurse Practitioner in 2016 and is a current member of the American Nephrology Nurses Association.

Karen Loftus, M.S.N., A.N.P., B.C.

Karen Loftus, RN, MSN, ANP, BC is certified by the American Nurses Credentialing Center as an adult nurse practitioner. She earned an Associate Degree in Nursing from Henry Ford Community College in 1982 and a Bachelor of Science in Nursing from the University of Phoenix in 2000. In 2008 Karen earned her Masters of Science in Nursing from Madonna University with High Honors. Karen joined Hypertension Nephrology Associates in June of 2008 to pursue her career as a nurse practitioner in nephrology. She is a member of the Michigan Council of Nurse Practitioners, and the American Nephrology Nurses Association.

Jane A. Osia, RN, MSN, NP-C

Jane Osia was born in Detroit, MI. She earned her Bachelors of Science in Nursing from Andrews University in 2012, her Masters of Science of Nursing – Family Nurse Practitioner from South University in 2016, and is board certified by the American Association of Nurse Practitioners as a Family Nurse Practitioner. Ms. Osia began her passion for Nephrology in 2012, working as a Registered Nurse in hemodialysis facilities in Detroit and Southfield. Her career as a Nurse Practitioner began in Home Health Care, but Ms. Osia returned to her passion of providing health care to the nephrology community in 2018, when she joined Hypertension Nephrology Associates as a Nephrology Nurse Practitioner. She is a current member of the Michigan Council of Nurse Practitioners and American Association of Nurse Practitioners.