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Dr. Frederick Klein, MD

Dr. Frederick Klein, MD

Tucson, AZ

44 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Klein, Gastroenterologist in Tucson, AZ?

    Dr. Frederick Klein, MD is a Gastroenterologist, who primarily practices in Tucson, AZ with 2 additional practice locations. He has been practicing for over 44 years and is board certified by the American Board of Internal Medicine. Dr. Klein graduated from University of Illinois College of Medicine and completed his residency at Mc Gaw Mc/Northwestern Univ, Internal Medicine; Northwestern Mem Hosp, Internal Medicine. Dr. Klein is fluent in English and Spanish, and is currently seeing new patients. Dr. Klein’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Klein’s office at (520) 742-4139.

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

    • Residency: Mc Gaw Mc/Northwestern Univ, Internal Medicine; Northwestern Mem Hosp, Internal Medicine | MC GAW MEDICAL CENTER NORTHWESTERN UNIVERSITY

    • Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine | Northwestern University The Feinberg School of Medicine

    Is Dr. Klein board certified in Gastroenterologist?

    Yes, Dr. Frederick Klein, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Klein speak?

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

    • English

    • Spanish

    What conditions does Dr. Klein treat?

    As a Gastroenterologist, Dr. Klein 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. Klein. 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:

    • 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 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:

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

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps
    • Z860100: Personal history of colon polyps, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Upper Middle Abdominal Pain
    • Abdominal Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R1013: Epigastric pain
    • R109: Unspecified abdominal pain

    Also known as:

    • Large Intestine Diverticulosis
    • Diverticulosis and Diverticulitis
    • Diverticular Disease
    • Colon Diverticula
    • Pockets in the Colon

    ICD-10 Codes:

    • K5730: Diverticulosis of large intestine without perforation or abscess without bleeding

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R1310: Dysphagia, 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

    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:

    • Barrett's Esophagus
    • Esophagus Disorder
    • Barrett’s Esophagus
    • Barrett's condition
    • Esophageal metaplasia

    ICD-10 Codes:

    • K2270: Barrett's esophagus without dysplasia

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Irritable Bowel Syndrome (IBS)
    • Irritable Bowel Syndrome
    • Spastic Colon
    • Functional Bowel Disorder
    • IBS

    ICD-10 Codes:

    • K589: Irritable bowel syndrome, unspecified

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Bleeding Diverticulosis
    • Diverticulosis and Diverticulitis
    • Gastrointestinal Bleeding
    • Diverticular Bleeding
    • Large Intestine Diverticulosis with Bleeding
    • GI Bleeding from Diverticula

    ICD-10 Codes:

    • K5731: Diverticulosis of large intestine without perforation or abscess with bleeding

    Also known as:

    • Diaphragmatic Hernia
    • Hernia
    • Hiatal Hernia
    • Hernia of the Diaphragm

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene

    Also known as:

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

    ICD-10 Codes:

    • K2970: Gastritis, unspecified, without bleeding

    Does Dr. Klein accept my insurance?

    Dr. Klein accepts most major insurance plans. Important: Please call our office at (520) 742-4139 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Klein accept in Tucson, AZ?

    Dr. Klein in Tucson, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Banner Health

    • Blue Cross Blue Shield of Arizona

    • Blue Cross Blue Shield of Michigan

    • Centene

    • Continental Benefits

    • Express Scripts

    • Medicare

    • Other Health Care Provider

    • Physicians Mutual Insurance Company

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Klein's office located?

    Dr. Frederick Klein's Primary Practice

    7566 N La Cholla Blvd # A

    Tucson, AZ 85741

    (520) 742-4139

    Get Directions

    Dr. Frederick Klein's Practice 2

    560 E Continental Rd Unit 107

    Green Valley, AZ 85614

    Get Directions

    Dr. Frederick Klein's Practice 3

    1701 W Saint Marys Rd Ste 125

    Tucson, AZ 85745

    Get Directions

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

    Dr. Klein's National Provider Identifier (NPI) number is 1962487876.

    What common questions do patients ask about Dr. Klein?

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

    What is Dr. Frederick Klein's specialty?

    Dr. Klein is a Gastroenterologist near Tucson, AZ. 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. Klein to book an appointment today.

    Is this Dr. Frederick Klein affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Klein is affiliated with Tucson Medical Center 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 Frederick Klein accepting new patients in Tucson, AZ?

    Yes, Dr. Frederick Klein is accepting new patients at this time.

    Does Dr. Frederick Klein offer online booking?

    Please contact Dr. Klein's office at (520) 742-4139 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Frederick Klein?

    Please contact Dr. Klein's office at (520) 742-4139 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Frederick Klein have?

    Dr. Frederick Klein is certified by the American Board of Internal Medicine.

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