Our Team

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Barbara Bialowolska-Romaniuk, M.D.

Dr. Barbara Bialowolska-Romaniuk has been a physician for the last 30 years. She was born in Poland, She finished Medical Academy in Warsaw in 1979. She specialized in internal medicine and has practiced in various settings from hospitals to solo practice. Dr.Romaniuk currently lives in the Phoenix area and is in private practice in Surprise. She believes in homeopathic remedies and the use of supplements to improve health. Areas of clinical interests are disease prevention, health maintenance, women’s health, geriatrics and nutrition. Dr. Romaniuk’s interests outside of work are spending time with her family which includes 2 children Marcus and Magdalena and 3 grandchildren Michal, Maciek and latest edition in 2010 little Melania. She also loves to go hiking, dancing and swimming.

She works very closely with her Nurse Practitioner Cathrine Krings who also has over 20 years of clinical experience. They specialize in internal medicine to provide the best care for prevention, evaluation and disease management services. Dr. Barbara and her nurse practitioner work closely together as a team to bring the best comprehensive care.

“Our passion has always been to treat patients, We take our time to get to know each patient and treat them with compassion and respect”. Barbara B. Romaniuk M.D. and Cathrine Krings, N.P.

Catherine Krings, FNP-C

Catherine Krings is Arizona Board licensed Family Nurse Practitioner (FNP-C). She is originally from the Philippines where, as a Kellogg Scholar she earned her undergraduate in Psychology and her subsequent medical degree at the University of the Philippines. She then completed her residency in Family Medicine. She has a  broad clinical background, specializes in internal medicine and has over 20 years of clinical experience. As a internal medicine nurse practitioner, Catherine Krings focuses on all areas of Internal Medicine as well as Medical Weight loss and Hormone Replacement Therapy. She has incorporated into her practice preventive and continuing health care, as well as Integrative Medicine. Catherine is coming froman Internal Medicine practice located in Sun City, where she worked as a Internal Medicine nurse practitioner for the last 7 years and is very familiar with our specialists, hospitals and services. Along side Dr. Barbara, they will work closely together as as team to bring you the best comprehensive care.

Magdalena Fit, Practice Administrator

Magdalena has been managing Bestcare Internal Medicine since 2009. She is passionate about patient care and making sure the practice is operating smoothly. She ensures practice is operating efficiently through the planning, coordinating and implementing of goals, objectives, procedures and systems inclusive of front end duties such as scheduling and registration, clinical functions such as direct care. Magdalena also is in charge of back end processes such as medical record management, charge entry, billing and reconciliation processes. When is is not managing the practice, she spends time with her 3 wonderful children and loves working out.

Yessenia Palomar, Medical Assistant

Yessenia has been a medical assistant at Bestcare since 2012 and serves in that role for the practice primarily overseeing the front office. Yessenia is one of the first people that you will see when you arrive at the practice. Her roles include answering telephones, scheduling patient appointments; verify insurance and taking messages using the practice electronic system. She assists the patients, responds to messages from patients, and addresses clinical questions that come into the practice. She also floats to back office and performs all roles of back office duties. Yessenia is a mommy of 4 beautiful children, loves dogs, and is passionate about her career. Yessenia loves working in heath care and is working toward earning her degree as a registered nurse. 


Lori Jankoski, Medical Scribe & Clinical Performance Manager

Lori is a Medical Scribe at Bestcare and also serves as clinical performance manager. She works with Dr. Barbara and has been at Bestcare since 2016. Lori accompanies Dr. Barbara during patient visits to document all information exchanged and obtained. By providing a record of doctor-patient interactions, Lori is instrumental in keeping electronic health records accurate and up to date. This helps patients stay informed about their medical care and serves as an important resource for the entire clinical team. Lori has 3 grown children and is a grandmother to 3 beautiful grandchildren. When not at Bestcare, Lori enjoys spending time with her kittens, hiking and visiting her children and grandchildren.


Jill Gilroy, Medical Assistant

Jill is a medical assistant for the practice, she has been with Bestcare since 2017.  In her role, she is responsible for ensuring that the back office duties such as updating medication lists, checking vital signs, and discussing the reason for the visit are obtained and then entering the information into the patient’s electronic medical record prior to the provider seeing the patient. She is CPR certified and had EMT training. She is very passionate about her career and cares deeply for patients. She also floats to front office and performs all roles of front office duties.

She has one grown daughter and 1 beautiful granddaughter.  When she is not working, Jill enjoys spending time with her granddaughter and her doggy.


Sylvia Simpson, Medical Assistant

Sylvia is a medical assistant for the practice and has been with Bestcare since 2018 .  Her role includes the clinical check-in process.  Checking and recording vital signs, discussing with patients the reason for their visit, medical problems, reviewing current medication and future needs for prescription refills and referrals are all part of her duties.  She also responds to telephone messages from patients and supports the providers in making sure all of your medical information is properly recorded in your electronic medical record. She also floats to front office and performs all roles of front office duties. Sylvia is a mommy to a beautiful little girl and a dog mamma to two german shepherds . She loves spending time with her family and is part of a bowling league.


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