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Dr. Johannes Martensson, MD

Inverness, FL

Accepting patients

    Who is Dr. Martensson, Gastroenterologist in Inverness, FL?

    Dr. Johannes Martensson, MD is a Gastroenterologist, who primarily practices in Inverness, FL with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Martensson graduated from UNIVERSITY LINKOPING and completed his residency at Thos Jefferson Univ Hosp, Gastroenterology; Greenwich Hosp, Internal Medicine. Dr. Martensson is fluent in English and German, and is currently seeing new patients. Dr. Martensson’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Martensson’s office at (352) 344-8080.

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

    • Residency: Thos Jefferson Univ Hosp, Gastroenterology; Greenwich Hosp, Internal Medicine | Greenwich Hosp-Yale U Sch Med | Greenwich Hospital Association Program

    • Medical School: University I Linkoping, Med Fak, Linkoping, Sweden | University of Linkoping / Medical Faculty | UNIVERSITY LINKOPING

    Is Dr. Martensson board certified in Gastroenterologist?

    Yes, Dr. Johannes Martensson, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Martensson speak?

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

    • English

    • German

    What conditions does Dr. Martensson treat?

    As a Gastroenterologist, Dr. Martensson 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. Martensson. 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 Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

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

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • Throat and Esophagus Swallowing Difficulty
    • Swallowing Disorder
    • Pharyngoesophageal dysphagia
    • Trouble swallowing in throat
    • Esophageal swallowing problems

    ICD-10 Codes:

    • R1314: Dysphagia, pharyngoesophageal phase

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Blocked Esophagus
    • Esophagus Disorder
    • Esophageal Obstruction
    • Food Pipe Blockage
    • Swallowing Difficulty

    ICD-10 Codes:

    • K222: Esophageal obstruction

    What procedures does Dr. Martensson perform?

    As a Gastroenterologist, Dr. Martensson 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. Martensson. 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 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:

    • 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:

    • Esophagus Widening Procedure (Endoscopic)
    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • Esophagogastroduodenoscopy with Biopsy
    • EGD with Polyp Removal
    • Gastroscopy with Biopsy
    • Flexible Endoscopy of Esophagus, Stomach, Duodenum with Biopsy

    CPT Codes:

    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 43250: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps

    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

    Does Dr. Martensson accept my insurance?

    Dr. Martensson accepts most major insurance plans. Important: Please call our office at (352) 344-8080 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Martensson accept in Inverness, FL?

    Dr. Martensson in Inverness, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Carpenters Funds Administrative Office (CA)

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Florida Blue / Guidewell

    • Humana

    • Medicare

    • Other Health Care Provider

    • Steward Health Choice

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Martensson's office located?

    Dr. Johannes Martensson's Primary Practice

    3653 E Forest Dr

    Inverness, FL 34453

    (352) 344-8080

    Get Directions

    Dr. Johannes Martensson's Practice 2

    6152 W Corporate Oaks Dr

    Crystal River, FL 34429

    Get Directions

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

    Dr. Martensson's National Provider Identifier (NPI) number is 1417954298.

    What common questions do patients ask about Dr. Martensson?

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

    What is Dr. Johannes Martensson's specialty?

    Dr. Martensson is a Gastroenterologist near Inverness, FL. 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. Martensson to book an appointment today.

    Is this Dr. Johannes Martensson affiliated with a ranked Castle Connolly Top Hospital?

    No, Martensson is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: HCA Florida Citrus Hospital. Castle Connolly Top Hospitals 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 Johannes Martensson accepting new patients in Inverness, FL?

    Yes, Dr. Johannes Martensson is accepting new patients at this time.

    Does Dr. Johannes Martensson offer online booking?

    Please contact Dr. Martensson's office at (352) 344-8080 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Johannes Martensson?

    Please contact Dr. Martensson's office at (352) 344-8080 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Johannes Martensson have?

    Dr. Johannes Martensson is certified by the American Board of Internal Medicine.

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