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Dr. Joseph Jennings, MD

Washington, DC

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Jennings, Gastroenterologist in Washington, DC?

    Dr. Joseph Jennings, MD is a Gastroenterologist, who primarily practices in Washington, DC with 2 additional practice locations. Dr. Jennings is fluent in English and Spanish, and is currently seeing new patients. Dr. Jennings’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Jennings’s office at (202) 444-8168.

    What languages does Dr. Jennings speak?

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

    • English

    • Spanish

    What conditions does Dr. Jennings treat?

    As a Gastroenterologist, Dr. Jennings 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. Jennings. 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:

    • 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:

    • 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:

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

    ICD-10 Codes:

    • K921: Melena

    Also known as:

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

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

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

    ICD-10 Codes:

    • R140: Abdominal distension (gaseous)

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    What procedures does Dr. Jennings perform?

    As a Gastroenterologist, Dr. Jennings 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. Jennings. 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:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Tissue Removal
    • Colonoscopy with Polyp/Tumor Removal
    • Colonoscopy with Bleeding Control
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Flexible colonoscopy with EMR
    • Endoscopic mucosal resection (colon)
    • Colon polyp removal during colonoscopy
    • Flexible colonoscopy with ablation
    • Colon polyp removal
    • Colon tumor destruction
    • Therapeutic colonoscopy
    • Endoscopic Hemostasis
    • Colonoscopy for Bleeding

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45390: Colonoscopy, flexible; with endoscopic mucosal resection
    • 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
    • 45382: Colonoscopy, flexible; with control of bleeding, any method

    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:

    • Small Intestine Endoscopy with Biopsy
    • Small Intestine Endoscopy to Stop Bleeding
    • Diagnostic Upper Endoscopy with Biopsy
    • Colonoscopy with Injections
    • Small Intestine Endoscopy with Tumor/Polyp Removal
    • EGD with Esophageal Balloon Dilation
    • Small Intestine Endoscopy with Bleeding Control
    • Upper Endoscopy with Tube Placement
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Enteroscopy with Biopsy
    • Small Bowel Endoscopy
    • Intestinal Biopsy (Endoscopic)
    • Enteroscopy with Bleeding Control
    • Small Bowel Endoscopy for Bleeding
    • Deep Enteroscopy
    • Intestinal Bleeding Treatment Endoscopy
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Enteroscopy with Lesion Ablation
    • Small Bowel Polyp Removal
    • Intestinal Tumor Ablation (Endoscopic)
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • Enteroscopy with Hemostasis
    • Ileum Endoscopy with Bleeding Control
    • Enteroscopy with biopsy
    • Deep small bowel endoscopy
    • Ileum endoscopy
    • Small bowel scope with tissue sample
    • EGD with Catheter Insertion
    • Esophagogastroduodenoscopy with Tube
    • Flexible Endoscopy for Tube Placement
    • Enteroscopy
    • Diagnostic Small Bowel Endoscopy
    • Small Bowel Scope

    CPT Codes:

    • 44361: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with biopsy, single or multiple
    • 44366: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with control of bleeding (eg, injection, bipolar cautery, unipolar cautery, laser, heater probe, stapler, plasma coagulator)
    • 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
    • 44369: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with ablation of tumor(s), polyp(s), or other lesion(s) not amenable to removal by hot biopsy forceps, bipolar cautery or snare technique
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 44378: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; with control of bleeding (eg, injection, bipolar cautery, unipolar cautery, laser, heater probe, stapler, plasma coagulator)
    • 44377: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, including ileum; with biopsy, single or multiple
    • 43241: Esophagogastroduodenoscopy, flexible, transoral; with insertion of intraluminal tube or catheter
    • 44360: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • Upper Endoscopy with Tumor Ablation
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision
    • EGD with Ablation
    • Esophagus, Stomach, Duodenum Scope with Ablation
    • Flexible Endoscopy Lesion Treatment

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)

    Also known as:

    • Flexible Sigmoidoscopy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy
    • Lower colon exam
    • Flexible colon scope
    • Rectum and lower colon check

    CPT Codes:

    • 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Stopping Bleeding in Esophagus, Stomach, or Duodenum
    • EGD with Bleeding Control
    • Upper GI Endoscopy for Bleeding
    • Gastric Bleeding Treatment

    CPT Codes:

    • 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Does Dr. Jennings accept my insurance?

    Dr. Jennings accepts most major insurance plans. Important: Please call our office at (202) 444-8168 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Jennings accept in Washington, DC?

    Dr. Jennings in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Carefirst BlueCross BlueShield

    • Cigna

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Inland Empire

    • Medicare

    • RiverSpring Health

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Jennings' office located?

    Dr. Joseph Jennings' Primary Practice

    3800 Reservoir Rd NW

    Washington, DC 20007

    (202) 444-8168

    Get Directions

    Dr. Joseph Jennings' Practice 2

    1133 21st St NW

    Washington, DC 20036

    Get Directions

    Dr. Joseph Jennings' Practice 3

    3300 Gallows Rd

    Falls Church, VA 22042

    Get Directions

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

    Dr. Jennings's National Provider Identifier (NPI) number is 1538435714.

    What common questions do patients ask about Dr. Jennings?

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

    What is Dr. Joseph Jennings's specialty?

    Dr. Jennings is a Gastroenterologist near Washington, DC. 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. Jennings to book an appointment today.

    Is this Dr. Joseph Jennings affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Jennings is affiliated with MedStar Georgetown University Hospital 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 Joseph Jennings accepting new patients in Washington, DC?

    Yes, Dr. Joseph Jennings is accepting new patients at this time.

    Does Dr. Joseph Jennings offer online booking?

    Please contact Dr. Jennings's office at (202) 444-8168 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Joseph Jennings?

    Please contact Dr. Jennings's office at (202) 444-8168 for information regarding telehealth appointment availability or for scheduling assistance.

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