Dr. Matthew Grinsell completed his medical degree and doctorate of philosophy from the University of Nevada School of Medicine. He then completed his Pediatric residency and fellowship in Nephrology at The University of Virginia. He is board-certified in Pediatric Nephrology. Dr. Grinsell is an Associate Professor of Pediatrics at the University of Utah in the Division of Nephrology and Hypertension. Dr. Grinsell is the Program Director for the Pediatric Nephrology Fellowship and has clinical interests in glomerulonephritis, developmental nephrology, kidnedyh stones and hyperntesion.

Dr. Grinsell’s clinical practice includes care of patients with disorders of the kidney including chronic kidney disease, nephrotic syndrome, glomerulonephritis, tubular disorders, cystic kidney disease, kidney malformations, kidney stones and hypertension. He also and provides medical supervision of dialysis treatments, plasma exchange and kidney transplantation in children and adolescents. He has a special interest in sports-related kidney injuries, nephrotic syndrome and management of kidney disease in infants. His regional practice includes patients from Utah, as well as from the surrounding states of Nevada, Colorado, Idaho, New Mexico and Montana.

Specialties

Pediatric Nephrology

Patient Rating

Patients frequently commend Dr. Grinsell for his thoroughness, knowledge, and excellent communication skills. Many express that he creates a comforting environment, particularly for children, making them feel at ease during visits. His ability to connect with both patients and their families is repeatedly highlighted, as is his responsiveness to questions and concerns. A few comments mentioned a negative experience related to appointment timing, but overall feedback indicates a strong level of trust and appreciation for his care.

Generated via Patient Reviews

5.0 /5

( out of 16 reviews )

The patient rating score is an average of all responses on our patient experience survey. The rating averages scores for all questions about care from our providers. The scale on which responses are measured is 1 to 5 with 5 being the best score.

Board Certification and Academic Information

Academic Departments	Pediatrics -Professor (Clinical)
Academic Divisions	Nephrology & Hypertension

Education history

Other Training	Medical Scholars Program - University of Utah School of Medicine	Certificate
Fellowship	Pediatric Nephrology - University of Virginia	Fellow
Residency	Pediatrics - University of Virginia	Resident
Internship	Pediatrics - University of Virginia	Intern
Doctoral Training	Cell and Molecular Biology - University of Nevada, Reno	Ph.D.
Professional Medical	Medicine - University of Nevada School of Medicine	M.D.
Undergraduate	Biology - Gonzaga University	B.S.

Selected Publications

Journal Article

Nikhil Nair, Charles Varnell, Manish Patel, Jonathan VanGeest, Matt Grinsell, Kathleen Altemose, Sidharth K Sethi, Rupesh Raina (2024). Pediatric Kidney Biopsy: Clinical Perspectives Based on Survey of Pediatric Nephrologists and Interventional Radiologists. Kidney Med, 6(8), 1-3.
Nair N, Varnell C, Patel M, VanGeest J, Grinsell M, Altemose K, Sethi SK, Raina R (2024). Pediatric Kidney Biopsy: Clinical Perspectives Based on Survey of Pediatric Nephrologists and Interventional Radiologists. Kidney Med, 6(8), 100859.
Misurac JM, Grinsell MM, Narus JH, Mason S, Kallash M, Andreoli SP (2023). NSAID-associated acute kidney injury in hospitalized children - a prospective Pediatric Nephrology Research Consortium study. Pediatr Nephrol, 38(9), 3109-3116.
Onder AM, Ansari MAY, Deng F, Grinsell MM, Patterson L, Jetton J, Fathallah-Shaykh S, Ranch D, Aviles D, Copelovitch L, Ellis E, Chadha V, Elmaghrabi A, Lin JJ, Butani L, Haddad M, Marsenic O, Brakeman P, Quigley R, Shin HS, Garro R, Raina R, Langman CB (2023). Persistent Increase in Serum Ferritin Levels despite Converting to Permanent Vascular Access in Pediatric Hemodialysis Patients: Pediatric Nephrology Research Consortium Study. J Clin Med, 12(13).
Tarrell A, Grinsell M, Murray M, Lewis KW, Yoder BA, Jenkins SM (2022). Tibial quantitative ultrasound compared to dual-energy X-ray absorptiometry in preterm infants. J Perinatol, 43(5), 642-646.
Malone Jenkins S, Chan G, Weaver-Lewis K, Bardsley T, Felix J, Grinsell M (2021). Vitamin D, bone density, and nephrocalcinosis in preterm infants: a prospective study. Pediatr Nephrol, 37(6), 1325-1332.
Onder AM, Flynn JT, Ansari MAY, Deng F, DeFreitas M, Katsoufis C, Grinsell MM, Patterson L, Jetton J, Fathallah-Shaykh S, Ranch D, Aviles D, Copelovitch L, Ellis E, Chadha V, Elmaghrabi A, Lin JJ, Butani L, Haddad M, Marsenic O, Brakeman P, Quigley R, Shin HS, Garro R, Raina R, Langman CB, Wood E Pediatric Nephrology Research Consortium (2021). Conversion to permanent vascular access is assocaited with improved markers of hemodialysis efficacy in children: Pediatric nephrology research consortium study. Clin Nephrol, 96(5), 270-280.
Verghese PS, Luckritz KE, Moudgil A, Chandar J, Ranch D, Barcia J, Lin JJ, Grinsell M, Zahr R, Engen R, Twombley K, Fadakar PK, Jain A, Al-Akash S, Bartosh S (2021). Practice patterns and influence of allograft nephrectomy in pediatric kidney re-transplantation: A pediatric nephrology research consortium study. Pediatr Transplant, 25(6), e13974.
Onder AM, Flynn JT, Billings AA, Deng F, DeFreitas M, Katsoufis C, Grinsell MM, Patterson L, Jetton J, Fathallah-Shaykh S, Ranch D, Aviles D, Copelovitch L, Ellis E, Chadha V, Elmaghrabi A, Lin JJ, Butani L, Haddad M, Marsenic O, Brakeman P, Quigley R, Shin HS, Garro R, Liu H, Rahimikollu J, Raina R, Langman CB, Wood E, Midwest Pediatric Nephrology Consortium (2019). Predictors of time to first cannulation for arteriovenous fistula in pediatric hemodialysis patients: Midwest Pediatric Nephrology Consortium study. Pediatr Nephrol, 35(2), 287-295.
Onder AM, Flynn JT, Billings AA, Deng F, DeFreitas M, Katsoufis C, Grinsell MM, Patterson LT, Jetton J, Fathallah-Shaykh S, Ranch D, Aviles D, Copelovitch L, Ellis E, Chanda V, Elmaghrabi A, Lin JJ, Butani L, Haddad M, Couloures OM, Brakeman P, Quigley R, Stella Shin H, Garro R, Liu H, Rahimikollu J, Raina R, Langman CB, Wood EG, Midwest Pediatric Nephrology Consortium (2018). Predictors of patency for arteriovenous fistulae and grafts in pediatric hemodialysis patients. Pediatr Nephrol, 34(2), 329-339.
Grinsell MM, Butz K, Gurka MJ, Gurka KK, Norwood V (2012). Sport-related kidney injury among high school athletes. Pediatrics, 130(1), e40-5.
Bender JM, Ampofo K, Byington CL, Grinsell M, Korgenski K, Daly JA, Mason EO, Pavia AT (2010). Epidemiology of Streptococcus pneumoniae-induced hemolytic uremic syndrome in Utah children. Pediatr Infect Dis J, 29(8), 712-6.
Grinsell MM, Showalter S, Gordon KA, Norwood VF (2006). Single kidney and sports participation: perception versus reality. Pediatrics, 118(3), 1019-27.

Review

Grinsell MM, Norwood VF (2009). At the bottom of the differential diagnosis list: unusual causes of pediatric hypertension. [Review]. Pediatr Nephrol, 24(11), 2137-46.

Book Chapter

Grinsell MM, Norwood VF (2021). Renal Structure and Function. In Zimmerman JJ (Ed.), Pediatric Critical Care (6th). Elsevier.

Case Report

Lozano-Chinga M, Afify Z, Lowichik A, Grinsell MM, Seamon M, Meznarich J (2022). Female adolescent with recurrent anemia and thrombocytopenia: Questions. Pediatric Nephrology, 37(9), 2067-2068.
Lozano Chinga M, Afify Z, Lowichik A, Grinsell MM, Seamon M, Meznarich JA (2022). Female adolescent with recurrent anemia and thrombocytopenia: Answers. Pediatr Nephrol, 37(9), 2069-2071.

Letter

Tarrell A, Grinsell M, Lewis KW, Yoder BA, Malone Jenkins S (2024). Bronchopulmonary dysplasia severity and bone status in preterm infants. [Letter to the editor]. Pediatr Pulmonol, 59(6), 1826-1828.

Other

Onder AM, Flynn JT, Billings AA, Deng F, DeFreitas M, Katsoufis C, Grinsell MM, Patterson LT, Jetton J, Fathallah-Shaykh S, Ranch D, Aviles D, Copelovitch L, Ellis E, Chadha V, Elmaghrabi A, Lin JJ, Butani L, Haddad M, Couloures OM, Brakeman P, Quigley R, Shin HS, Garro R, Liu H, Rahimikollu J, Raina R, Langman CB, Wood EG, Midwest Pediatric Nephrology Consortium (2019). Correction to: Predictors of patency for arteriovenous fistulae and grafts in pediatric hemodialysis patients. Pediatr Nephrol (34(8), pp. 1483-1484). Germany.