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Dr. Nathaniel Jest, DO

Wauwatosa, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Jest, Gastroenterologist in Wauwatosa, WI?

    Dr. Nathaniel Jest, DO is a Gastroenterologist, who primarily practices in Wauwatosa, WI with 2 additional practice locations. He is board certified. Dr. Jest is fluent in English, and is currently seeing new patients. Dr. Jest’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jest’s office.

    What languages does Dr. Jest speak?

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

    • English

    What conditions does Dr. Jest treat?

    As a Gastroenterologist, Dr. Jest 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. Jest. 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:

    • Benign Transverse Colon Polyp
    • Benign Ascending Colon Polyp
    • Benign Cecum Polyp
    • Benign Sigmoid Colon Polyp
    • Benign Descending Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous transverse colon growth
    • Transverse colon adenoma
    • Transverse colon benign tumor
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous cecum growth
    • Cecal adenoma
    • Cecum benign tumor
    • Non-cancerous sigmoid colon growth
    • Sigmoid colon adenoma
    • Sigmoid colon benign tumor
    • Non-cancerous descending colon growth
    • Descending colon adenoma
    • Descending colon benign tumor

    ICD-10 Codes:

    • D123: Benign neoplasm of transverse colon
    • D122: Benign neoplasm of ascending colon
    • D120: Benign neoplasm of cecum
    • D125: Benign neoplasm of sigmoid colon
    • D124: Benign neoplasm of descending colon

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Colon Polyps
    • Non-Infectious Gastroenteritis and Colitis
    • Colonic Polyps
    • Digestive Disease
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • K529: Noninfective gastroenteritis and colitis, unspecified

    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:

    • Stomach Inflammation
    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding
    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified

    Also known as:

    • Rectal Polyp
    • Rectal Disorder
    • Rectal Growth
    • Colon Polyp
    • Benign Rectal Tumor

    ICD-10 Codes:

    • K621: Rectal polyp

    Also known as:

    • Rectal Bleeding
    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • Anal Bleeding
    • Blood in Stool
    • Lower GI Bleed

    ICD-10 Codes:

    • K625: Hemorrhage of anus and rectum

    Also known as:

    • Ulcerative Colitis
    • Colitis
    • Inflammatory Bowel Disease (IBD)
    • Chronic Colitis

    ICD-10 Codes:

    • K5190: Ulcerative colitis, unspecified, without complications

    Also known as:

    • Crohn's Disease of the Small Intestine
    • Crohn's Disease
    • Crohn’s Disease
    • Regional Enteritis
    • Inflammatory Bowel Disease (IBD)
    • Ileitis

    ICD-10 Codes:

    • K5000: Crohn's disease of small intestine without complications

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Family History of Digestive Organ Cancer
    • Cancer
    • Family History
    • Genetic risk for gastrointestinal cancer
    • Family history of GI cancer
    • Hereditary digestive cancer

    ICD-10 Codes:

    • Z800: Family history of malignant neoplasm of digestive organs

    Does Dr. Jest accept my insurance?

    Dr. Jest accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Jest accept in Wauwatosa, WI?

    Dr. Jest in Wauwatosa, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Allegiance Benefit Plan Management

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicaid

    • Medicare

    • Quartz Health Solutions

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Jest's office located?

    Dr. Nathaniel Jest's Primary Practice

    1033 N Mayfair Rd Ste 101

    Wauwatosa, WI 53226

    Get Directions

    Dr. Nathaniel Jest's Practice 2

    1185 Corporate Center Dr Ste 125

    Oconomowoc, WI 53066

    (414) 454-0600

    Get Directions

    Dr. Nathaniel Jest's Practice 3

    6200 W Bluemound Rd

    Milwaukee, WI 53213

    Get Directions

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

    Dr. Jest's National Provider Identifier (NPI) number is 1053671982.

    What common questions do patients ask about Dr. Jest?

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

    What is Dr. Nathaniel Jest's specialty?

    Dr. Jest is a Gastroenterologist near Wauwatosa, WI. 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. Jest to book an appointment today.

    Is this Dr. Nathaniel Jest affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Jest is affiliated with Ascension Se Wisconsin Hospital - St. Joseph Campus 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

    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 Nathaniel Jest accepting new patients in Wauwatosa, WI?

    Yes, Dr. Nathaniel Jest is accepting new patients at this time.

    Does Dr. Nathaniel Jest offer online booking?

    Please contact Dr. Jest's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Nathaniel Jest?

    Please contact Dr. Jest's office for information regarding telehealth appointment availability or for scheduling assistance.

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