Welcome to Diabetes & Endocrinology Specialists, Inc.

Welcome To Our Site

For over 38 years, our center has earned the trust of patients and the respect of the medical community throughout the Greater St. Louis area. Diabetes & Endocrinology Specialists, Inc. is comprised of ADA board certified endocrinologists specializing in the care of patients with diabetes, thyroid disease, high cholesterol, osteoporosis, pituitary disease, vitamin D deficiency, and other endocrinology disorders.

Our mission is to provide quality medical care to enhance the well being of our patients which is accomplished through practicing state of the art and evidence-based medicine. We are committed to provide the very best diabetes education with ADA certified diabetes educators and a registered dietician.

As part of our effort to be on the cutting edge of our specialty, Diabetes & Endocrinolgy Specialists, Inc. has also conducted Phase II, III, and IV clinical research trials in the following areas: hypertension, hyperlipidemia, dyslipidimia, obesity, renal insufficiency, diabetes, and pre-diabetes.

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All three doctors will be out of the office April 9th and 10th, September 18th, and September 28th.

Dr. Norman Fishman will also be out the month of July and December 21st to January 5th.

Dr. Rachel Fishman Oiknine will be out of the office December 24th-January 3rd.

Dr. Ralph Oiknine will be out of the office December 24th-January 3rd

While the doctors are out of the office, a Nurse Practitioner will be available for routine follow-ups and urgent issues.  Please plan to have your prescriptions refilled around these dates. Thank you.

2013-2020 Best Doctors

We are proud to announce that all three of our doctors were voted among the Best Doctors in St. Louis from 2013-2020!

A special congratulations to Dr. Rachel Fishman Oiknine who was chosen as one of the 10 Most Influential Doctors in 2013.

Concierge Diabetes Care Program

Dr. Oiknine is now offering an optional Concierge Diabetes Care program for a limited number of interested patients. For an annual fee, you can take advantage of more ways to interact with Dr. Oiknine and receive faster and more personalized care tailored to your unique needs. Learn more.


Eversense CGMS Now Available

Engineered for long-lasting accuracy and ease of use, the Eversense Long-Term Continuous Glucose Monitoring (CGM) System offers advantages over traditional CGM. Now available at Diabetes & Endocrinology Specialists, Inc. Click HERE to learn more.

Patient Portal


The office will be closed May 25th, July 3rd, September 7th, November 26th and 27th, December 25th, and January 1st.

The office will open from 10am to 2pm on July 2nd, November 25th, December 24th and 31st. Please plan your refill requests accordingly.