Professor, Internal Medicine, Mayo Medical School
Endocrinology
Dr. Robert A. Rizza, MD
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Robert A. Rizza works in the field of Endocrinology. He studied medicine at University of Florida College of Medicine. University of Florida College of Medicine is ranked 43 in research and 78 in primary care medicine He received 22 awards: "Outstanding Mentorship", "Banting Award for Distinquished Scientific Accomplishments", "Honorary Fellow", "Johns Hopkins Society of Scholars", "Banting Medal", "Bruce Zimmerman Award", "Eric Neilsen Award for Outstanding Service to Subspecialty Medicine", "Yank D. Coble Distinguished Service to Endocrinology Award", "Outstanding Physician Clinician in Diabetes", "Distinguished Service Award", "Distinguished Investigator", "Distinguished Investigators", "Merit Award", "Teacher of the Year - Clinical Investigator Program", "Elected Member", "Teacher of the Year", "William H. J. Summerskill Award for Outstanding Achievement in Research", "Upjohn Achievement Award - Number One Graduating Senior", "Medical Guild Academic Excellence Award", "Pfizer Scholarship - Most Outstanding Scholastic Record", "Alpha Omega Alpha" and "Roche Award-Outstanding Academic Performance in Basic Sciences". Robert Rizza is a published MD. He has 88 publications published. The most current publication "Effect of dehydroepiandrosterone and testosterone supplementation on systemic lipolysis." Robert Rizza is registered with Medicare.
Publications
- HbA1c in the Evaluation of Diabetes Mellitus.
- β-Cell Deficit in Obese Type 2 Diabetes, a Minor Role of β-Cell Dedifferentiation and Degranulation.
- Effect of dehydroepiandrosterone and testosterone supplementation on systemic lipolysis.
- Glucocorticoid Excess Increases Hepatic 11β-HSD-1 Activity in Humans: Implications in Steroid-Induced Diabetes.
- Effect of bilateral carotid body resection on the counterregulatory response to hypoglycaemia in humans.
- Effect of bilateral carotid body resection on the counterregulatory response to hypoglycemia in humans.
- Direct Effects of Exendin-(9,39) and GLP-1-(9,36)amide on Insulin Action, β-Cell Function, and Glucose Metabolism in NonDiabetic Subjects.
- Diurnal pattern of insulin action in type 1 Diabetes: implications for a closed-loop system.
- The effect of a bile acid sequestrant on glucose metabolism in subjects with type 2 Diabetes.
- ?-cell mass and turnover in humans: effects of Obesity and aging.
- Pathogenesis of PreDiabetes: Role of the Liver in Isolated Fasting Hyperglycemia and Combined Fasting and Postprandial Hyperglycemia.
- Insulin-Mediated FFA Suppression Is Associated with Triglyceridemia and Insulin Sensitivity Independent of Adiposity.
- Diurnal Pattern to Insulin Secretion and Insulin Action in Healthy Individuals.
- Defects in GLP-1 Response to an Oral Challenge Do Not Play a Significant Role in the Pathogenesis of PreDiabetes.
- Insulin clearance is different in men and women.
- A Concerted Decline in Insulin Secretion and Action occurs across the Spectrum of Fasting and Post-Challenge Glucose Concentrations.
- Modeling nonsteady-state metabolism from arteriovenous data.
- Nonoxidative free fatty acid disposal is greater in young women than men.
- β-cell dysfunctional ERAD/ubiquitin/proteasome system in type 2 Diabetes mediated by islet amyloid polypeptide-induced UCH-L1 deficiency.
- Pathogenesis of fasting and postprandial hyperglycemia in type 2 Diabetes: implications for therapy.
- Meal fat storage in subcutaneous adipose tissue: comparison of pioglitazone and glipizide treatment of type 2 Diabetes.
- Common genetic variation in GLP1R and insulin secretion in response to exogenous GLP-1 in nonDiabetic subjects: a pilot study.
- A model of GLP-1 action on insulin secretion in nonDiabetic subjects.
- Effect of 11 beta-hydroxysteroid dehydrogenase-1 inhibition on hepatic glucose metabolism in the conscious dog.
- Individualizing therapies in type 2 Diabetes mellitus based on patient characteristics: what we know and what we need to know.
- Application of isotopic techniques using constant specific activity or enrichment to the study of carbohydrate metabolism.
- Fatty acid metabolism in the elderly: effects of dehydroepiandrosterone and testosterone replacement in hormonally deficient men and women.
- Additional evidence that transaldolase exchange, isotope discrimination during the triose-isomerase reaction, or both occur in humans: effects of type 2 Diabetes.
- Effects of type 2 Diabetes on insulin secretion, insulin action, glucose effectiveness, and postprandial glucose metabolism.
- Higher muscle protein synthesis in women than men across the lifespan, and failure of androgen administration to amend age-related decrements.
- Dipeptidyl peptidase-4 inhibition by vildagliptin and the effect on insulin secretion and action in response to meal ingestion in type 2 Diabetes.
- Liver is the site of splanchnic cortisol production in obese nonDiabetic humans.
- Use of labeled oral minimal model to measure hepatic insulin sensitivity.
- The effect of dipeptidyl peptidase-4 inhibition on gastric volume, satiation and enteroendocrine secretion in type 2 Diabetes: a double-blind, placebo-controlled cross...
- Prandial insulin and the systemic appearance of meal-derived glucose in people with type 1 Diabetes.
- Plasma C5 glucose-to-2H2O ratio does not provide an accurate assessment of gluconeogenesis during hyperinsulinemic-euglycemic clamps in either nonDiabetic or Diabetic ...
- Beta-cell replication is the primary mechanism subserving the postnatal expansion of beta-cell mass in humans.
- Evidence that processes other than gluconeogenesis may influence the ratio of deuterium on the fifth and third carbons of glucose: implications for the use of 2H2O to ...
- Comparison of the effects of pioglitazone and metformin on hepatic and extra-hepatic insulin action in people with type 2 Diabetes.
- Splanchnic spillover of extracellular lipase-generated fatty acids in overweight and obese humans.
- Beneficial effects of GLP-1 on endothelial function in humans: dampening by glyburide but not by glimepiride.
- Meal simulation model of the glucose-insulin system.
- High expression rates of human islet amyloid polypeptide induce endoplasmic reticulum stress mediated beta-cell apoptosis, a characteristic of humans with Type 2 but n...
- Effect of 2 years of testosterone replacement on insulin secretion, insulin action, glucose effectiveness, hepatic insulin clearance, and postprandial glucose turnover...
- Selective downregulation of the high molecular weight form of adiponectin in hyperinsulinemia and in type 2 Diabetes: differential regulation from nondiabetic subjects.
- Progression from newly acquired impaired fasting glucose to type 2 Diabetes: response to Nichols et al.
- Hematopoietic stem cells derived from adult donors are not a source of pancreatic beta-cells in adult nonDiabetic humans.
- Contribution of hepatic and extrahepatic insulin resistance to the pathogenesis of impaired fasting glucose: role of increased rates of gluconeogenesis.
- GIM, simulation software of meal glucose-insulin model.
- Glycemic variation and hypoglycemia in patients with well-controlled type 1 Diabetes on a multiple daily insulin injection program with use of glargine and ultralente ...
- Effects of dipeptidyl peptidase-4 inhibition on gastrointestinal function, meal appearance, and glucose metabolism in type 2 Diabetes.
- Lack of an effect of pioglitazone or glipizide on lipoprotein-associated phospholipase A2 in type 2 Diabetes.
- Two years of treatment with dehydroepiandrosterone does not improve insulin secretion, insulin action, or postprandial glucose turnover in elderly men or women.
- Intensive intraoperative insulin therapy versus conventional glucose management during cardiac surgery: a randomized trial.
- Incretin effect potentiates beta-cell responsivity to glucose as well as to its rate of change: OGTT and matched intravenous study.
- Prediction of postprandial glycemic exposure: utility of fasting and 2-h glucose measurements alone and in combination with assessment of body composition, fitness, an...
- Splanchnic cortisol production in dogs occurs primarily in the liver: evidence for substantial hepatic specific 11beta hydroxysteroid dehydrogenase Type 1 activity.
- DHEA in elderly women and DHEA or testosterone in elderly men.
- Modeling chronic glycemic exposure variables as correlates and predictors of microvascular complications of Diabetes.
- Clinically confirmed type 2 Diabetes mellitus and colorectal cancer risk: a population-based, retrospective cohort study.
- Effects of duration of type 2 Diabetes mellitus on insulin secretion.
- Effects of age and sex on postprandial glucose metabolism: differences in glucose turnover, insulin secretion, insulin action, and hepatic insulin extraction.
- Preventing cardiovascular disease and Diabetes: a call to action from the American Diabetes Association and the American Heart Association.
- Effect of nutrient ingestion on total-body and splanchnic cortisol production in humans.
- Relationship between beta-cell mass and fasting blood glucose concentration in humans.
- Effects of pioglitazone versus glipizide on body fat distribution, body water content, and hemodynamics in type 2 Diabetes.
- Mixed meal simulation model of glucose-insulin system.
- A model of glucose production during a meal.
- A minimal model of insulin secretion and kinetics to assess hepatic insulin extraction.
- Two-hour seven-sample oral glucose tolerance test and meal protocol: minimal model assessment of beta-cell responsivity and insulin sensitivity in nonDiabetic individu...
- Intraoperative hyperglycemia and perioperative outcomes in cardiac surgery patients.
- Obesity and type 2 Diabetes do not alter splanchnic cortisol production in humans.
- Randomized controlled clinical trial of glargine versus ultralente insulin in the treatment of type 1 Diabetes.
- Splanchnic cortisol production occurs in humans: evidence for conversion of cortisone to cortisol via the 11-beta hydroxysteroid dehydrogenase (11beta-hsd) Type 1 path...
- Insulin dose-response curves for stimulation of splanchnic glucose uptake and suppression of endogenous glucose production differ in nonDiabetic humans and are abnorma...
- Both fasting glucose production and disappearance are abnormal in people with "mild" and "severe" type 2 Diabetes.
- Forearm vascular control during acute hyperglycemia in healthy humans.
- The insulin secretagogues glibenclamide and repaglinide do not influence growth hormone secretion in humans but stimulate glucagon secretion during profound insulin de...
- Impaired basal glucose effectiveness but unaltered fasting glucose release and gluconeogenesis during short-term hypercortisolemia in healthy subjects.
- Impact of aerobic exercise training on age-related changes in insulin sensitivity and muscle oxidative capacity.
- Enteral infusion of glucose at rates approximating EGP enhances glucose disposal but does not cause hypoglycemia.
- Mechanisms of the age-associated deterioration in glucose tolerance: contribution of alterations in insulin secretion, action, and clearance.
- A model to determine workforce needs for endocrinologists in the United States until 2020.
- Elevated free fatty acids impair glucose metabolism in women: decreased stimulation of muscle glucose uptake and suppression of splanchnic glucose production during co...
- Beta-cell deficit and increased beta-cell apoptosis in humans with type 2 Diabetes.
- Effect of enteral vs. parenteral glucose delivery on initial splanchnic glucose uptake in nonDiabetic humans.
- Effects of free fatty acids and glycerol on splanchnic glucose metabolism and insulin extraction in nonDiabetic humans.
Conditions Treated
- Diabetes Type 1
- Diabetes Type 2
- Diabetic Retinopathy
- Hyperlipidemia
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Doctors Specialties
- Endocrinology
Accepted Insurances
Awards
- Outstanding Mentorship
- Banting Award for Distinquished Scientific Accomplishments
- Honorary Fellow
- Johns Hopkins Society of Scholars
- Banting Medal
- Bruce Zimmerman Award
- Eric Neilsen Award for Outstanding Service to Subspecialty Medicine
- Yank D. Coble Distinguished Service to Endocrinology Award
- Outstanding Physician Clinician in Diabetes
- Distinguished Service Award
- Distinguished Investigator
- Distinguished Investigators
- Merit Award
- Teacher of the Year - Clinical Investigator Program
- Elected Member
- Teacher of the Year
- William H. J. Summerskill Award for Outstanding Achievement in Research
- Upjohn Achievement Award - Number One Graduating Senior
- Medical Guild Academic Excellence Award
- Pfizer Scholarship - Most Outstanding Scholastic Record
- Alpha Omega Alpha
- Roche Award-Outstanding Academic Performance in Basic Sciences
Education
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Mayo School of Graduate Medical Education -
Johns Hopkins University -
University of Florida College of Medicine
Hospital
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Mayo Clinic - Rochester, Minnesota
Drug Facts
| NPI NUMBER | 1942289947 | |
| NPPES Provider LastName | RIZZA | |
| NPPES Provider FirstName | ROBERT | |
| NPPES Provider ZIPCode | 559050001 | |
| NPPES Provider State | MN | |
| Specialty Description | Endocrinology | |
| Total Claim Count | 114.0 | |
| Distinct Opioid Count | 0.0 | |
| Opioid Claim Count | 0.0 | |
| Percent Opioid Claims | 0.0 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1942289947 |
| Last Name Of The Provider | RIZZA |
| First Name Of The Provider | ROBERT |
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