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Dr. Leonard Weinstock, MD

Creve Coeur, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Weinstock, Gastroenterologist in Creve Coeur, MO?

    Dr. Leonard Weinstock, MD is a Gastroenterologist, who primarily practices in Creve Coeur, MO with 1 additional practice location. He is board certified. Dr. Weinstock graduated from University of Rochester School of Medicine and Dentistry and completed his residency at Barnes-Jewish Hosp-S Campus, Gastroenterology; Rochester Gen Hosp, Internal Medicine. Dr. Weinstock is fluent in English, and is currently seeing new patients. Dr. Weinstock’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Weinstock’s office at (314) 994-0554.

    Where did Dr. Weinstock go to medical school and complete their residency?

    • Residency: Barnes-Jewish Hosp-S Campus, Gastroenterology; Rochester Gen Hosp, Internal Medicine

    • Medical School: University of Rochester Sch of Med & Dentistry, Rochester Ny | University of Rochester School of Medicine and Dentistry

    Is Dr. Weinstock board certified as a Gastroenterologist?

    Yes, Dr. Leonard Weinstock, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Weinstock speak?

    Dr. Weinstock and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Gastroenterologist like Dr. Weinstock typically treat?

    As a Gastroenterologist, Dr. Weinstock diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Weinstock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Mast Cell Activation
    • Mast Cell Disorder
    • Systemic Mast Cell Activation
    • MCAS

    ICD-10 Codes:

    • D8940: Mast cell activation, unspecified

    Also known as:

    • Abdominal Bloating
    • Gas
    • Gas in the Digestive Tract
    • Bloated Stomach
    • Swollen Belly
    • Gaseous Distension

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    What procedures does a Gastroenterologist like Dr. Weinstock typically perform?

    As a Gastroenterologist, Dr. Weinstock performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Weinstock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • EGD with Esophageal Balloon Dilation
    • Diagnostic Upper Endoscopy with Biopsy
    • Colonoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Does Dr. Weinstock accept my insurance?

    Dr. Weinstock accepts most major insurance plans. Important: Please call our office at (314) 994-0554 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Weinstock accept in Creve Coeur, MO?

    Dr. Weinstock in Creve Coeur, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield Association

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Healthcare Advantage

    • Medicare

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Weinstock's office located?

    Dr. Leonard Weinstock's Primary Practice

    11525 Olde Cabin Rd Ste 101

    Creve Coeur, MO 63141

    (314) 994-0554

    Get Directions

    Dr. Leonard Weinstock's Practice 2

    950 Francis Pl Ste 115

    Clayton, MO 63105

    Get Directions

    What is Dr. Weinstock's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Weinstock's National Provider Identifier (NPI) number is 1467566703.

    What common questions do patients ask about Dr. Weinstock?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Weinstock

    What is Dr. Leonard Weinstock's specialty?

    Dr. Weinstock is a Gastroenterologist near Creve Coeur, MO.

    What does a Gastroenterologist do?

    An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.

    Is this Dr. Leonard Weinstock affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Weinstock is affiliated with Missouri Baptist Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Leonard Weinstock accepting new patients in Creve Coeur, MO?

    Yes, Dr. Leonard Weinstock is accepting new patients at this time.

    Does Dr. Leonard Weinstock offer online booking?

    Please contact Dr. Weinstock's office at (314) 994-0554 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Leonard Weinstock?

    Please contact Dr. Weinstock's office at (314) 994-0554 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Leonard Weinstock have?

    Dr. Leonard Weinstock is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>