Photo of Dr. Ralph Oiknine

Dr. Ralph Oiknine, MD

Concierge Endocrinology physician, Chesterfield, MO

Diabetes & Endocrinology Specialists, Inc.

Dr. Oiknine is a board-certified endocrinology physician.

222 S. Woods Mill Rd., #410N, Chesterfield, MO 63017
At a glance
Practice model
Optional Concierge Diabetes Care program
Board certification
Endocrinology, since 2004
Languages
English, French

Facts on this page last checked October 2026. How we check doctors

About Dr. Oiknine

Dr. Oiknine has been board certified in endocrinology since 2004. He earned a bachelor's degree in structural engineering and chemistry from the University of Southern California in 1994. He received his medical degree from St. George's University School of Medicine.

He completed residency at SSM Health St. Mary's Hospital and a fellowship at St. Louis University in 2004. He is also a co-director of the endocrinology and diabetes training program at St. Luke's Hospital in Chesterfield, Missouri. In 2024 he began offering an optional Concierge Diabetes Care program for a limited number of patients.

The program includes guaranteed appointments within one business day.

Membership and fees

The optional Concierge Diabetes Care program is offered to a limited number of patients.

It includes a phone and text line for urgent questions, guaranteed appointments within one business day and longer one-on-one visits.

Education and credentials

Degree
MD
College
University of Southern California
Medical school
St. George's University School of Medicine
Residency
SSM Health St. Mary's Hospital
Fellowship
St. Louis University
Board certification
Endocrinology, since 2004
NPI
1255365581

Location

222 S. Woods Mill Rd., #410N, Chesterfield, MO 63017
Diabetes & Endocrinology Specialists, Inc. practice page
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Recognition and research

Awards

Pfizer Scholars in Endocrinology Award, 2003
Castle Connolly Top Doctor, 2023 to 2025
St. Louis Magazine Top Doctor, 2023 to 2025
Voted among the Best Doctors in St. Louis, 2013 to 2020

Publications

"Evaluating the Clinical Utility of the Glycemia Risk Index", Journal of Diabetes Science and Technology, 2026
"Health Care Providers Can Deliver Personalized Precision Diabetes Care and Adopt GRI If It is Incorporated into a Centralized Platform", Journal of Diabetes Science and Technology, 2024
"Differentiating nonthyroidal illness syndrome from central hypothyroidism in the acutely ill hospitalized patient", Endocrine, 2012
"A critical appraisal of the role of insulin analogues in the management of diabetes mellitus", Drugs, 2005

Patient reviews

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Questions patients ask

Does Dr. Oiknine offer a membership?

In 2024 he began offering an optional Concierge Diabetes Care program for a limited number of patients. The program includes a phone and text line for urgent questions.

Is Dr. Oiknine board certified?

Dr. Oiknine has been board certified in endocrinology since 2004.

Where did Dr. Oiknine train?

He received his medical degree from St. George's University School of Medicine. He completed residency at SSM Health St. Mary's Hospital. He completed a fellowship at St. Louis University.

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