Ron Newfield, M.D.

Specialty

Endocrinology/Diabetes

Organization

Rady Children's Specialists of San Diego

Medical Group / IPA

Rady Children's Specialists

Other Languages

Spanish

Residency

Schneider Childrens Hospital GME

Fellowship

Cornell University Medical College

Board Certifications

Pediatric Endocrinology, Pediatrics

Gender

M

Bio

Dr. Ron Newfield is a pediatric endocrinologist at Rady Children's Hospital-San Diego and a professor of clinical pediatrics at UC San Diego School of Medicine. He is co-director of Rady Children's Gender Management Clinic.

After earning his medical degree at Technion, Institute of Technology in Haifa, Israel, he completed his residency in pediatrics at Schneider Children's Hospital of Long Island Jewish Medical Center, New Hyde Park, N.Y., and his fellowship in pediatric endocrinology at New York Hospital-Cornell Weill College.

Dr. Newfield's clinical interests are thyroid disorders and cancer, adrenal disorders and transgender youth, calcium and bone disorders, and diabetes and lipid disorders. His research interests are type 1 diabetes and prevention, type 2 diabetes, and growth disorders.

His philosophy of care is to treat children in a broad and holistic manner, and to address family and other issues that impact children's health.

Dr. Newfield enjoys teaching the residents and endocrine fellows.

When not working, he enjoys swimming, hiking, skiing and going to watch plays or musicals.

Publications

Low vitamin D level in pediatric patients with new onset type 1 diabetes is common, especially if in ketoacidosis.
Al-Zubeidi H, Leon-Chi L, Newfield RS

Pediatric thyroid surgery and management of thyroid nodules - an institutional experience over a 10-year period.
Jiang W, Newbury RO, Newfield RS

Mutational Analysis in Pediatric Thyroid Cancer and Correlations with Age, Ethnicity, and Clinical Presentation.
Nikita ME, Jiang W, Cheng SM, Hantash FM, McPhaul MJ, Newbury RO, Phillips SA, Reitz RE, Waldman FM, Newfield RS

Bone maturation along the spectrum from normal weight to obesity: a complex interplay of sex, growth factors and weight gain.
Klein KO, Newfield RS, Hassink SG

Topical sulfonylurea as a novel therapy for hypertrichosis secondary to diazoxide, and potentially for other conditions with excess hair growth.
Newfield RS

A 4-Year, Open-Label, Multicenter, Randomized Trial of Genotropin® Growth Hormone in Patients with Idiopathic Short Stature: Analysis of 4-Year Data Comparing Efficacy, Efficiency, and Safety between an Individualized, Target-Driven Regimen and Standard Dosing.
Counts DR, Silverman LA, Rajicic N, Geffner ME, Newfield RS, Thornton P, Carakushansky M, Escobar O, Rapaport R, Levitsky L, Rotenstein D, Hey-Hadavi J, Wajnrajch MP

Evaluation of the American-English Quality of Life in Short Stature Youth (QoLISSY) questionnaire in the United States.
Bullinger M, Sommer R, Pleil A, Mauras N, Ross J, Newfield R, Silverman L, Rohenkohl A, Fox J, Quitmann J

Successful use of long acting octreotide in two cases with Beckwith-Wiedemann syndrome and severe hypoglycemia.
Al-Zubeidi H, Gottschalk ME, Newfield RS

Lipoprotein particle concentrations in children and adults following Kawasaki disease.
Lin J, Jain S, Sun X, Liu V, Sato YZ, Jimenez-Fernandez S, Newfield RS, Pourfarzib R, Tremoulet AH, Gordon JB, Daniels LB, Burns JC

Codon Arg15 mutations of the AP2S1 gene: common occurrence in familial hypocalciuric hypercalcemia cases negative for calcium-sensing receptor (CASR) mutations.
Hendy GN, Canaff L, Newfield RS, Tripto-Shkolnik L, Wong BY, Lee BS, Cole DE

Self-limiting hematuria following growth hormone provocative testing with arginine hydrochloride.
Marinkovic M, Newfield RS

Ease of use and preference for a new disposable self-injection pen compared with a reusable pen for administering recombinant human growth hormone: A multicenter, 2-month, single-arm, open-label clinical trial in patient-caregiver dyads.
Hey-Hadavi J, Pleil A, Deeb LC, Fuqua JS, Silverman LA, Reiner B, Newfield R, Rajicic N, Wajnrajch MP, Cara JF

ACTH receptor blockade: a novel approach to treat congenital adrenal hyperplasia, or Cushing's disease.
Newfield RS

Rapid weight gain in children soon after diagnosis of type 1 diabetes: is there room for concern?
Newfield RS, Cohen D, Capparelli EV, Shragg P

Autosomal dominant hypoparathyroidism with severe hypomagnesemia and hypocalcemia, successfully treated with recombinant PTH and continuous subcutaneous magnesium infusion.
Sanda S, Schlingmann KP, Newfield RS

A child with pericardial effusion and cardiac tamponade due to previously unrecognized hypothyroidism.
Sanda S, Newfield RS

Dyslipidemia in children with type 2 diabetes vs. obesity.
Newfield RS, Dewan AK, Jain S

Autoimmune thyroiditis and acquired hypothyroidism in an infant with severe combined immunodeficiency due to adenosine deaminase deficiency.
Nagpala P, Newfield R, Bastian J, Gottschalk M

Recombinant PTH for initial management of neonatal hypocalcemia.
Newfield RS

Increased luteinizing hormone pulse frequency in obese oligomenorrheic girls with no evidence of hyperandrogenism.
Yoo RY, Dewan A, Basu R, Newfield R, Gottschalk M, Chang RJ

Tyrosinemia I, a model for human diseases mediated by 2-oxoacid-utilizing dioxygenases: hepatotoxin suppression by NTBC does not normalize hepatic collagen metabolism.
Hanauske-Abel HM, Popowicz A, Remotti H, Newfield RS, Levy J

Height distribution in children with Tourette syndrome.
Zelnik N, Newfield RS, Silman-Stolar Z, Goikhman I

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.

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