Dr. Leonard Weinstock, MD

Gastroenterology  |  
Male  |  
Age 61
Insurances AcceptedSave
Dr. Leonard Weinstock, MD
The most important person in the exam room or procedure room is the patient. It is that person who all my focus is on to give the best care possible and to make the most accurate diagnosis. Only in this way can I give the maximal treatment.

Specialists In Gastroenterology

11525 Olde Cabin Rd

Saint Louis, MO 63141

Contact Information

(314) 997-0554

Dr. Leonard Weinstock, MD

Dr. Leonard Weinstock, MD

Accepted insurance

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • HealthLink
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Weinstock

Care Philosophy

The patient needs to be treated with respect. Their voice must be heard. If these are accomplished then all will be well.
...Read More

Dr. Weinstock's Experience

Dr. Weinstock's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Gastroenterology
  • Board certified in Gastroenterology and Internal Medicine
  • No sanctions found
  • No board actions found


  • Gastroenterology
  • Internal Medicine

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • All Types of Food Poisoning
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • E. coli Food Poisoning
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophagitis
  • Food Poisoning
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastrojejunal Ulcer
  • Gastroparesis
  • Heartburn
  • Hemorrhoids
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Malnutrition
  • Mesenteric Panniculitis
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Pancreatitis
  • Peptic Ulcer
  • Pouchitis
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Salmonella Food Poisoning
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vascular Insufficiency of Intestines
  • Vomiting Disorders


Read More


  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Gastroenterology Procedures
  • Manometry

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Missouri.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University of Vermont
    Undergraduate School | Graduated 1977
  • University Of Rochester School Of Medicine And Dentistry
    Medical School | Graduated 1977
  • Rochester General Hospital
    Internship Hospital | Completed
  • Rochester Gen Hospital
    Residency Hospital | Completed 1985
  • Washington University In St Louis School of Medicine
    Fellowship Hospital | Completed 1987

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Weinstock has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Weinstock does not have any memberships or affiliations listed. If you are Dr. Weinstock and would like to add memberships or affiliations, please update your profile.

Dr. Weinstock's Reviews

Likelihood of recommending Dr. Weinstock to family and friends
based on 31 total reviews (16 with comments)
Dr. Weinstock Says:

Feel free to leave comments about my care. If there are concerns call or email me so they can be addressed immediately.

Dr. Weinstock's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    10 to 15 minutes
Patient Comments (16)
in St Louis, MO |
I have been a patient of Dr. Weinstock for 25+ years. He is a professional, very smart, knowledgeable & has years of experience. He chose to become a doctor and he chose his field. He genuinely cares for all his patients and will do whatever it takes to help you. The staff is doing all they can. They have to deal with the day to day bureaucracy of modern healthcare. For simple questions, refills, appointments, skip the phone call, use their NextMD email system. You will get an answer.
in Creve Coeur |
Dr, weinstock is bright, innovative, listens carefully. does not do unnecessary procedures.
in Indianapolis, IN |
After 2 years of severe food intolerance/weight loss, and seeing many specialists, I traveled to see Dr. Weinstock—suspecting I had SIBO. Within minutes, he had checked off a list of other possible disorders, and gave me a list of diagnostic tests to perform. It was an efficient and productive appointment, and I left feeling hopeful. Back home, he was responsive and willing to consult with my local doctors. The staff at SIG were efficient and helpful as well, I couldn’t have asked for more.
in Chesterfield, MO |
I have been under the care of Dr. Weinstock for the past 10 months. After unsuccessful treatment with another doctor I had been seeing for many years , I finally got under control with some extremely unconventional medicines. Dr. Weinstock was patient, thoughtful , and very attentive to my needs . With the assistance of a very great physician assistant who also answered all my questions and never hesitated to have me come in and talk to them concerning my treatment. I would recommend them
in Springfield, MO |
Dr. Weinstock is the most caring and concerned Gastroenterologist I have ever been to in the number of years I have had my gastric issues. He answers all my questions even on the weekends and evenings through email correspondence, he is very knowledgeable and has gone above and beyond to help me with my very complex digestive system. I would definitely recommend him and his office to anyone looking for answers that has yet to be helped by their current physician.
Madison County, IL |
Dr. Weinstock listens well to patient questions and concerns. I was also able to get needed prescriptions promptly.
in Farmington, MO |
Dr. Weinstock was very patient and attentive. I was very impressed that he addressed all my health concerns personably and did not just give me a "cookie cutter" treatment- write a script and send me out the door kind of ordeal. He expressed desire to see my health improve and went out of his way to connect me to the resources I needed. Very invested in his patients. The staff were phenomenal! Brought my 3 yr old and they treated her like a princess.
in St. Louis, MO |
Dr. Weinstock has helped me over the last 20 years. He is a very caring doctor that works hard to help find a solution to the gastrointestinal issues you are having.
in St Louis, MO |
For years I suffered from Anemia & frequent black & bloody stools. I had been to several doctors, had colonoscopies, endoscopies, etc., and none could diagnose the source or cause of my bleeding. Most doctors gave up & I was left frustrated, scared and dealing with this on my own. Dr. Weinstock was different. He genuinely cared & was determined to help me. He kept in contact with me, gave clear guidance & figured it out! Thank you Dr. Weinstock, you have greatly improved the quality of my life.
in Jefferson City, MO |
Dr. Weinstock gave me back my life. Before I found him I had a Dr. That had me eating only Yogurt,chicken and fish, for 18 months. Not one vegetable or fruit grain in my diet. Dr W. took the time to listen, confer with. Others and developed a plan that fit my symptoms and did extensive testing to give me a normal diet that controlled my sydtem.
in St. Louis, MO |
Knowledgeable, empathetic, well connected and compassionate are a few words to describe Dr. W and his staff. The demands on doctors these days keep increasing. Dr. W is up to date with the latest and greatest therapy's and always gives the BEST care to his patients.He's treated me for 23+ years. He is the ONLY reason I'm able to lead a productive life while battling a very serious condition with Crohn's disease.If patients do their part, Dr. W can do his part. Thanks for being on my TEAM Dr.W!
in St Louis, MO |
Dr. Weinstock has been my GI doc for 10 years. He is caring and attentive and well versed in current treatments and protocols. His office is incredibly well run, which makes visits a pleasure.
I like that Dr. Weinstock will communicate through email with his patients. He will also help patients obtain financial assistance if prescribed an expensive drug not covered by insurance. I believe that Dr. Weinstock is a good doctor, and very knowledgeable. I do however think he is oblivious to the behavior of his office staff. Latonya is especially rude. She really needs to be in a position with no contact with the public. Trish is also not very compassionate or caring.
in St. Louis, MO |
Dr. Weinstock shows no real interest in his patients. I question his medical ethics. His staff is rude and has no business working in a medical office.
in Hazelwood, MO |
I had two encounters with Dr.Weinstock both of which I felt relieved that I had chosen the right physician. The first was a colonoscopy that found a cancerous tumor that was removed before it spread. A follow-up procedure a year later found nothing. The second encounter was a partially blocked lower bowel which is treated with three options. The first and easiest option was an antibiotic which happily worked for me.
in Chesterfield, MO |
I only saw Dr. Weinstock once as he had my records from my prior GI specialist who left his practice for Dallas, TX. I visited Dr. Weinstock as he is well known in the St. Louis medical field given his focus also on SIBO and rosacea. SIBO negative but they never told me the results. Rosacea...see a dermatologist. He offered me no real solutions. I was generally not satisfied with the staff being unfriendly, or on the phone with outright rudeness. I found a new GI instead as did my mother.
My novel approach to rosacea is to look for bacterial overgrowth. If it is present then a new option to treatment is possible. If the testing is negative then routine dermatologic care is the only other choice.
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Dr. Weinstock accepts 8 insurance carriers
  • Aetna
    Advantage 6350
    Aenta HealthFund CDHP and Value Plan Most of Idaho Basic
    Aetna Aexcel
    Aetna EPO
    Aetna HealthFund CDHP
    Aetna HealthFund HDHP
    Choice Plus POS II
  • Anthem Blue Cross Blue Shield
    Anthem Blue Cross and Blue Shield
    Anthem Blue Cross and Blue Shield EPO
    Anthem Blue Cross and Blue Shield POS
    Anthem Blue Cross and Blue Shield PPO
    Anthem Blue Cross Blue Shield EPO
    Anthem Blue Cross Blue Shield POS
    Blue Preferred Plus POS
  • Blue Cross Blue Shield
    Blue Access
    Blue Access PPO
    Blue Advantage HMO
    Blue Advantage Plus
    Blue Advantage Plus HMO
    Blue Advantage PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) EPO
    First Health (Coventry Health Care) HMO
    First Health (Coventry Health Care) POS
    First Health (Coventry Health Care) PPO
  • HealthLink
    HealthLink HMO
    HealthLink POS
  • Humana
    Advantage Plus
    Care Plus
    Choice Care PPO
    Gold Choice
    Medicare Advantage
    Medicare Advantage HMO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Weinstock has admitting privileges

Missouri Baptist Medical Center
3015 N Ballas Rd
Saint Louis, MO 63131
View Hospital Profile
Barnes Jewish Hospital
One Barnes-Jewish Hospital Plaza
Saint Louis, MO 63110
View Hospital Profile

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