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Dr. James Ahn, MD

Corona, CA

29 Years of Experience

Accepting patients

    Who is Dr. Ahn, Anesthesiologist in Corona, CA?

    Dr. James Ahn, MD is an Anesthesiologist, who primarily practices in Corona, CA with 2 additional practice locations. He has been practicing for over 29 years and is board certified by the American Board of Anesthesiology. Dr. Ahn completed his residency at Med Coll Of Ohio Hosp, Anesthesiology; St Joseph Hosp, Internal Medicine. Dr. Ahn is fluent in English and Spanish, and is currently seeing new patients. Dr. Ahn’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahn’s office at (951) 737-4343.

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

    • Residency: Med Coll Of Ohio Hosp, Anesthesiology; St Joseph Hosp, Internal Medicine

    Is Dr. Ahn board certified in Anesthesiologist?

    Yes, Dr. James Ahn, MD is board certified by the American Board of Anesthesiology

    What languages does Dr. Ahn speak?

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

    • English

    • Spanish

    What conditions does Dr. Ahn treat?

    As a Anesthesiologist, Dr. Ahn 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. Ahn. 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:

    • 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:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Groin Hernia (One Side)
    • Diaphragmatic Hernia
    • Hernia
    • Inguinal Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Hiatal Hernia
    • Hernia of the Diaphragm

    ICD-10 Codes:

    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K449: Diaphragmatic hernia without obstruction or gangrene

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Kidney Stones
    • Renal Calculi
    • Nephrolithiasis
    • Kidney Calculi

    ICD-10 Codes:

    • N200: Calculus of kidney

    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:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    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:

    • Lower Back Spinal Stenosis
    • Spinal Stenosis
    • Narrowing of Lower Back Spinal Canal
    • Lumbar Spinal Canal Narrowing
    • Lumbar Stenosis

    ICD-10 Codes:

    • M48061: Spinal stenosis, lumbar region without neurogenic claudication

    Also known as:

    • Acute pain after medical procedure
    • Pain
    • Acute post-operative pain
    • Pain after surgery
    • Post-procedural pain

    ICD-10 Codes:

    • G8918: Other acute postprocedural pain

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    Also known as:

    • Hemorrhoids
    • Piles
    • Swollen Veins in Anus
    • Anal Lumps

    ICD-10 Codes:

    • K649: Unspecified hemorrhoids

    Also known as:

    • Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma

    ICD-10 Codes:

    • C50919: Malignant neoplasm of unspecified site of unspecified female breast

    Also known as:

    • Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Gastritis
    • Inflamed stomach lining
    • Stomach lining inflammation

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

    • Stress Urinary Incontinence
    • Urinary Incontinence
    • Stress Incontinence
    • Leakage with Coughing
    • Bladder Leakage with Activity

    ICD-10 Codes:

    • N393: Stress incontinence (female) (male)

    Does Dr. Ahn accept my insurance?

    Dr. Ahn accepts most major insurance plans. Important: Please call our office at (951) 737-4343 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ahn accept in Corona, CA?

    Dr. Ahn in Corona, 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

    • AlphaCare

    • Centene

    • Heritage Health

    • Inland Empire

    • Inland Faculty Medical Group, Inc

    • OptumRx

    • Other Health Care Provider

    • Scan Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ahn's office located?

    Dr. James Ahn's Primary Practice

    800 S Main St

    Corona, CA 92882

    (951) 737-4343

    Get Directions

    Dr. James Ahn's Practice 2

    1441 Florida Ave

    Modesto, CA 95350

    Get Directions

    Dr. James Ahn's Practice 3

    1798 N Garey Ave

    Pomona, CA 91767

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

    Dr. Ahn's National Provider Identifier (NPI) number is 1588641963.

    What common questions do patients ask about Dr. Ahn?

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

    What is Dr. James Ahn's specialty?

    Dr. Ahn is a Anesthesiologist near Corona, CA. A physician specialist in pain management and maintaining or restoring a stable state during and right after surgical, obstetric, or diagnostic operations is known as an anesthesiologist. This specialist assesses each patient's risk of surgery and tries to improve their condition before to, during, and following the procedure. Anesthesiologists provide medical management, pain management, and critical care consults in addition to these vital management responsibilities. They are responsible for managing patients with severe illnesses or injuries, supervising the recovery period following anesthesia, directing resuscitation efforts for patients experiencing cardiac or respiratory emergencies that may require artificial ventilation, and diagnosing and treating both acute and chronic pain, including pain related to cancer. Contact Dr. Ahn to book an appointment today.

    Is this Dr. James Ahn affiliated with a ranked Castle Connolly Top Hospital?

    No, Ahn is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Corona Regional Medical Center. 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 Anesthesiologist?

    Explore Anesthesiologist 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 James Ahn accepting new patients in Corona, CA?

    Yes, Dr. James Ahn is accepting new patients at this time.

    Does Dr. James Ahn offer online booking?

    Please contact Dr. Ahn's office at (951) 737-4343 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with James Ahn?

    Please contact Dr. Ahn's office at (951) 737-4343 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. James Ahn have?

    Dr. James Ahn is certified by the American Board of Anesthesiology.

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