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Dr. Nader Mirhoseni, MD

Mission Viejo, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mirhoseni, Gastroenterologist in Mission Viejo, CA?

    Dr. Nader Mirhoseni, MD is a Gastroenterologist, who primarily practices in Mission Viejo, CA with 2 additional practice locations. Dr. Mirhoseni graduated from St. George's University School of Medicine and completed his residency at Brooklyn Hosp Ctr, Gastroenterology New York Methodist Hosp, Internal Medicine. Dr. Mirhoseni is fluent in English and Persian, and is currently seeing new patients. Dr. Mirhoseni’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mirhoseni’s office at (949) 348-2900.

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

    • Residency: Brooklyn Hosp Ctr, Gastroenterology New York Methodist Hosp, Internal Medicine | New York Methodist Hospital Program

    • Medical School: St. George's University School of Medicine

    What languages does Dr. Mirhoseni speak?

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

    • English

    • Persian

    What conditions does Dr. Mirhoseni treat?

    As a Gastroenterologist, Dr. Mirhoseni 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. Mirhoseni. 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:

    • Gastrointestinal Bleeding
    • Dark, Tarry Stools (Melena)
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage
    • Melena
    • Black Stools
    • Upper GI Bleed Signs

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified
    • K921: Melena

    Also known as:

    • Widespread Abdominal Pain
    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R1084: Generalized abdominal pain
    • R1013: Epigastric pain

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, 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

    What procedures does Dr. Mirhoseni perform?

    As a Gastroenterologist, Dr. Mirhoseni 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. Mirhoseni. 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 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
    • 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
    • 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:

    • 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:

    • ERCP with Sphincterotomy
    • ERCP with Stent Placement
    • Endoscopic retrograde cholangiopancreatography
    • Bile duct scope
    • Pancreatic duct scope
    • Papillotomy
    • Endoscopic Retrograde Cholangiopancreatography with Stent
    • Bile Duct Stent Placement via ERCP
    • Pancreatic Duct Stent Placement via ERCP

    CPT Codes:

    • 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
    • 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent

    Also known as:

    • ERCP with Gallstone Removal
    • ERCP
    • Endoscopic Gallstone Removal
    • Biliary Duct Stone Removal
    • Pancreatic Duct Cleaning

    CPT Codes:

    • 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)

    Also known as:

    • Upper Endoscopy for Foreign Body Removal
    • EGD for Foreign Body
    • Gastroscopy for Object Removal
    • Esophagogastroduodenoscopy for Foreign Body

    CPT Codes:

    • 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)

    Also known as:

    • Endoscopic Tube Placement into Bile or Pancreatic Duct
    • ERCP Cannulation
    • Bile Duct Cannulation
    • Pancreatic Duct Access (Endoscopic)

    CPT Codes:

    • 43273: Endoscopic cannulation of papilla with direct visualization of pancreatic/common bile duct(s) (List separately in addition to code(s) for primary procedure)

    Also known as:

    • Pelvic Floor Biofeedback
    • Pelvic Floor Biofeedback Training (Additional Time)
    • Perineal muscle training
    • Anorectal biofeedback
    • Urethral sphincter training
    • EMG biofeedback
    • Perineal Muscle Biofeedback
    • Anorectal Biofeedback
    • Urethral Sphincter Biofeedback

    CPT Codes:

    • 90912: Biofeedback training, perineal muscles, anorectal or urethral sphincter, including EMG and/or manometry, when performed; initial 15 minutes of one-on-one physician or other qualified health care professional contact with the patient
    • 90913: Biofeedback training, perineal muscles, anorectal or urethral sphincter, including EMG and/or manometry, when performed; each additional 15 minutes of one-on-one physician or other qualified health care professional contact with the patient (List separately in addition to code for primary procedure)

    Does Dr. Mirhoseni accept my insurance?

    Dr. Mirhoseni accepts most major insurance plans. Important: Please call our office at (949) 348-2900 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mirhoseni accept in Mission Viejo, CA?

    Dr. Mirhoseni in Mission Viejo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • CalOptima

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Monarch HealthCare

    • Sharp Health Plan

    • UnitedHealthcare

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    Where is Dr. Mirhoseni's office located?

    Dr. Nader Mirhoseni's Primary Practice

    26691 Plaza Ste 150

    Mission Viejo, CA 92691

    (949) 348-2900

    Get Directions

    Dr. Nader Mirhoseni's Practice 2

    8860 Center Dr Ste 420

    La Mesa, CA 91942

    Get Directions

    Dr. Nader Mirhoseni's Practice 3

    7901 Frost St

    San Diego, CA 92123

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

    Dr. Mirhoseni's National Provider Identifier (NPI) number is 1588645964.

    What common questions do patients ask about Dr. Mirhoseni?

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

    What is Dr. Nader Mirhoseni's specialty?

    Dr. Mirhoseni is a Gastroenterologist near Mission Viejo, CA. 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. Mirhoseni to book an appointment today.

    Is this Dr. Nader Mirhoseni affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mirhoseni is affiliated with Providence Mission Hospital Mission Viejo, Sharp Memorial Hospital, Sharp Chula Vista Medical Center, Sharp Coronado Hospital, Hoag Hospital Newport Beach, AHMC Anaheim Regional Medical Center 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 Nader Mirhoseni accepting new patients in Mission Viejo, CA?

    Yes, Dr. Nader Mirhoseni is accepting new patients at this time.

    Does Dr. Nader Mirhoseni offer online booking?

    Please contact Dr. Mirhoseni's office at (949) 348-2900 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Nader Mirhoseni?

    Please contact Dr. Mirhoseni's office at (949) 348-2900 for information regarding telehealth appointment availability or for scheduling assistance.

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