EverydayHealthLogo
Dr. Jason Haas, DO

Dr. Jason Haas, DO

Chesterfield, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Haas, Gastroenterologist in Chesterfield, MO?

    Dr. Jason Haas, DO is a Gastroenterologist, who primarily practices in Chesterfield, MO with 2 additional practice locations. He is board certified. Dr. Haas is fluent in English, and is currently seeing new patients. Dr. Haas’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Haas’s office at (417) 875-3250.

    What languages does Dr. Haas speak?

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

    • English

    What conditions does Dr. Haas treat?

    As a Gastroenterologist, Dr. Haas 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. Haas. 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.

    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:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • Z860100: Personal history of colon polyps, unspecified

    Also known as:

    • Dark, Tarry Stools (Melena)
    • Gastrointestinal Bleeding
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K921: Melena

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1013: Epigastric pain

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    What procedures does Dr. Haas perform?

    As a Gastroenterologist, Dr. Haas 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. Haas. 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.

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Colonoscopy with Tissue Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 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
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection

    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

    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

    Does Dr. Haas accept my insurance?

    Dr. Haas accepts most major insurance plans. Important: Please call our office at (417) 875-3250 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Haas accept in Chesterfield, MO?

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

    Top Insurances

    • Centene

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Essence Healthcare

    • Express Scripts

    • Medicare

    • MedImpact

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Haas' office located?

    Dr. Jason Haas' Primary Practice

    121 Saint Lukes Center Dr Ste 406

    Chesterfield, MO 63017

    (417) 875-3250

    Get Directions

    Gastroenterology

    3901 S Fremont Ave Fl 4

    Springfield, MO 65804

    Get Directions

    Dr. Jason Haas' Practice 3

    1001 E Primrose St

    Springfield, MO 65807

    Get Directions

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

    Dr. Haas's National Provider Identifier (NPI) number is 1790948008.

    What common questions do patients ask about Dr. Haas?

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

    What is Dr. Jason Haas's specialty?

    Dr. Haas is a Gastroenterologist near Chesterfield, MO. 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. Contact Dr. Haas to book an appointment today.

    Is this Dr. Jason Haas affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Haas is affiliated with St. Luke's Hospital - Chesterfield, MO, Missouri Baptist Medical Center, Barnes-Jewish St. Peters Hospital, Barnes-Jewish West County Hospital which are a Castle Connolly Top Hospitals. 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

    Where can I learn more about Gastroenterologist?

    Explore Gastroenterologist with 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 Jason Haas accepting new patients in Chesterfield, MO?

    Yes, Dr. Jason Haas is accepting new patients at this time.

    Does Dr. Jason Haas offer online booking?

    Please contact Dr. Haas's office at (417) 875-3250 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jason Haas?

    Please contact Dr. Haas's office at (417) 875-3250 for information regarding telehealth appointment availability or for scheduling assistance.

    Other Gastroenterologist Near Chesterfield, MO

    RR

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Chesterfield, MO
    Dr. Brian Mcmorrow, MD

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Chesterfield, MO
    RR

    Gastroenterologist

    acceptingPatients-iconAccepting patients
    Chesterfield, MO
    See All Specialists

    Doctors by Category

    Specialists