Our Team


Dr. Gnanagurudasan Prakasam or Dr “P”

Dr Gnanagurudasan Prakasam and his wife who is a pediatrician in Roseville, CA Dr. Eswari Prakasam

In his own words, "It is a privilege for me to take care of the children who come to see us in our center. Every child who comes to our center should be by choice and not because there is no other choice!"

Gnanagurudasan Prakasam MD MRCP MHA, or Dr. "P"  is the founder and President of our center. He is board certified in Pediatrics from India, United Kingdom and the US and also board certified in American Board Certified Pediatric Endocrinology. In addition he has a Masters in Health Administration from University of Southern California. Dr. Prakasam has distinguished medical education from all over the world. Along with practicing medicine, he is very involved in research in finding a cure for diabetes, type 2 diabetes in children, diabetes technologies and also in growth related hormones. Most recently, his interest is HAPPINESS and disease management

He has been invited to speak all over the world. He is also the Director of Pediatric Endocrinology and Diabetes at the Children's Center at Sutter Medical Center, Past President of Northern California Chapter of American Diabetes Association and a current board member of American Diabetes Association and the Juvenile Diabetes Research Foundation.  He was also a past board member of American Heart Association.

He has been actively involved in many social projects locally, regionally and globally. His areas of interest involves happiness and disease management telemedicine, e-health, global health care delivery, pediatric diabetes, growth disorders, growth hormone deficiency, puberty, hormonal imbalances especially related to adrenal gland and pituitary gland, thyroid disease and mineral disorders.

He has been an invited speaker both nationally and internationally with active participation in cutting edge research in endocrinology and diabetes He also runs one of the biggest physician run support groups for diabetes and has a passion in enabling children and families to connect and be a part of this family to help each other.

Self-Financial Disclosure*: Dr. Prakasam is a paid consultant/advisor/speaker/researcher to multiple national and international pharmaceutical and device manufacturing companies.
*Dr Prakasam is a legally paid consultant, speaker and researcher for many for profit companies in the field of endocrinology and diabetes Dr.Prakasam continues to have the same relationship with many of the companies for several years. Many of the drugs and devices that my patients are prescribed are made by those companies. However, Dr. Prakasam always believes in providing the best professional advice and care for his patients and the business relationship does not influence his prescribing decisions. Dr. Prakasam believes in patient’s choices, formulary choices and cost for the payors and the patients when making medical decisions or suggestions. Many of the medicines and devices used in endocrinology do not have generic alternatives. If you ever have any questions on Dr. Prakasam's business interests, do not hesitate to ask him as he feels it is a privilege families give him to take care of their loved ones. Since he has a vast international and national experience along with his medical degrees from three continents and a Masters in Health Administration, it is natural that he is a sort-after consultant and speaker in the field of medicine. However, he has practiced medicine in the most ethical and honest way for over three decades just as his father advised him when he entered medical school in 1981.

Dr. Ulhas Nadgir MD

Dr.Ulhas Nadgir is a board certified Pediatric Endocrinologist with over 2 decades of experience.
In his own words' it is a pleasure and a privilege to partner with the families and take care of the children who come to see us'
Having finished his medical training in Karnataka, India in 1988, he trained in Bangalore Medical College, earning his board certification in Pediatrics from India.
He relocated to the USA in the early 1990 and earned his American Board Certification in Pediatrics from New York. Subsequently he trained under Professor. Margaret H. MacGillivray, one of the most distinguished endocrinologists in world at University of Buffalo, NY from 1995 to 1998. He joined Dr. Prakasam in Sacramento in 2004 after becoming board certified in Pediatric Endocrinology and is  part of the team which built one of the biggest Pediatric Endocrine and Diabetes Services in the country.

Dr. Nadgir’s has immense experience in pediatric diabetes, childhood obesity, pubertal disorders, growth disorders, thyroid diseases and rare adrenal conditions. He along with Dr. Prakasam has been involved in multiple nationwide research projects including the prestigious TRIALNET.

Dr. Nadgir’s other interest include public policy in diabetes, photography and the outdoors.

His academic interests include use of new technologies in diabetes and current management of childhood growth disorders. He continues to teach residents and medical students about caring for children with endocrine disorders and current trends in pediatric endocrinology.

Dr.Nadgir stays active by walking or biking . His other passion is traveling with his camera in the hope of getting that 'once in a lifetime' photograph!

Dr. Niyati Skaria 

Dr. Skaria is board certified in Pediatrics and Pediatric Endocrinology.  She joined the practice in 2014.

Dr. Skaria received her medical degree from St. George’s University in Grenada, West Indies. She completed her pediatric residency at NYU Winthrop Hospital in Long Island, NY.  She continued her training in Long Island to complete a pediatric endocrinology fellowship at the State University of New York, Stony Brook. 
Dr. Skaria was raised in New Jersey and New York but moved to the west coast with her husband to be close to family and help children with diabetes and other endocrine conditions in the Sacramento Valley.

Dr. Skaria has research experience in diabetes care and has presented at several national conferences including the Endocrine Society and Pediatric Academic Society.  She is a member of several professional organizations including the Pediatric Endocrine Society, Endocrine Society, and the American Academy of Pediatrics. 

In addition to providing the best possible comprehensive clinical care for diabetes, her academic interests are also in treating disorders of puberty, growth, thyroid, and adrenal problems.

In her spare time, she enjoys biking and the theater.  She loves traveling with her family, and her goal is to visit a different country every year!

Celina Trujillo CPNP
Celina Trujillo is a certified Pediatric Nurse Practitioner with extensive experience in diabetes and working with adolescents.  She joined our team in 2016 after finishing her Master’s degree in Nursing at UCSF.  During her nurse practitioner training Celina was a UCSF Madison Clinic Peggy Huang Diabetes Nurse Fellow.  She was also a Leadership and Education in Adolescent Health (LEAH) trainee through the Division of Adolescent and Young Adult Medicine at UCSF.

Celina is very involved with Diabetes Youth and Families (DYF) as a camp nurse.  She particularly enjoys working Diabetes Teen Camp in Sequoia National Park every summer, assisting teens with Type 1 diabetes management during trekking and backpacking trips in the backcountry.  She has also assisted in the development of Diabetes Spanish Camp through DYF for Spanish-speaking families.  Prior to joining our practice, Celina worked as a school nurse in San Francisco caring for elementary school children with diabetes.  She has also volunteered as a nurse doing diabetes education at St. Anthony’s Free Medical Clinic in San Francisco.

Before becoming a nurse Celina obtained her Master’s in Public Health at UC Berkeley and worked in children’s environmental health research.  For 8 years she worked on a national research project investigating risk factors for metabolic syndrome and the effects of endocrine disruptors and other chemicals on children’s health.  She presented study findings at the National Institutes of Health (NIH), U.S. EPA, CDC, and other organizations.

Celina is particularly interested in the transition of pediatric care to adult care for teens and young adult with diabetes.  She is committed to providing high-quality and culturally appropriate care.

Celina grew up in El Salvador and Guatemala before moving to the San Francisco Bay Area as a teenager.  She is fluent in Spanish and loves working with teens.

Two of Celina’s biggest passions are the outdoors and dogs.  She enjoys hiking, biking, camping, and any excuse to go into the wilderness.  Celina hopes to get a new furry four-legged companion in the near future to take along on her outdoor adventures.   She also loves baseball and looks forward to becoming a Sacramento River Cats fan.

Sarah Woods RN MSN CPNP
 Sarah Woods is a pediatric nurse practitioner who graduated from UCSF in 2018. She has had type 1 diabetes since 1995 and was seen as a patient at Dr. Prakasam's clinic from diagnosis. Since that time it has been her dream to provide compassionate care to children and families managing this relentless disease, she is thrilled to be providing that care at CEDE.
     Before nursing school Sarah was involved in research at UCSF studying the effects of a behavioral intervention on depression and diabetes distress in teenagers with type 1. She led groups teaching teens stress management techniques and using cognitive behavioral therapy to reframe negative thought patterns. The connection between mental and physical health is a passion of hers and she believes addressing the psychosocial aspects of diabetes is just as important as addressing the blood sugar data.
     She discovered the magic of Bearskin Meadows diabetes camp as an adult and has been excited to be a nurse there for the past few years. Teen camp is her favorite and she loves backpacking with teens, even with the 12am and 2am blood sugar checks.
    In her spare time she loves working out, whether running, spinning, yoga or weight lifting and is on a forever quest to not get low during workouts. She also loves to bake and can carb count most baked goods on sight. Now that she's back in the Sacramento area she loves spending more time with her nieces and nephews and re-exploring the area with her husband.

Olga Yefremenkova RN FNP

I come from a military background of having served for ten years in the U.S. Army, after which I became a Family Nurse Practitioner, who specialized in pediatric endocrinology. My journey to becoming a nurse practitioner started when my daughter was diagnosed with type one diabetes. My daughter started receiving services at the Center of Excellence for Diabetes and Endocrinology, and I was grateful for the sta(f’s support, care, and expertise. I wanted to be able to help children just like my child and joined the team. I am thankful for the opportunity to now be part of the CEDE family


"We as a team strive to give you the best of experiences when you come to see our doctors. If you have any problems do not hesitate to contact me. Together we will work to make your visits to our office a pleasant experience for ALL of us"

Mila Melnik - Administrative and Clinical Lead

Nikki - New Patients and Referral Coordinator ext.2754
Karina - Receptionist ext.2765
Ketzalli- Receptionist ext.2764
Inna M- Medical Assistant ext. 2763
Ricardo - Medical Assistant ext.2753
Darian - Medical Assistant ext. 2752
Inna M - Authorization Coordinator ext. 2762
Tyann Patient Care Coordinator ext. 2767
Ivette - Patient Care Coordinator ext. 2768
Tiana- Patient Care Coordinator ext. 2766
Ryan - Billing Clerk ext. 2755
Natalie - Research Coordinator
Lilia - Research Assistant