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. 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 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 as a 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 a Gastroenterologist like Dr. Klein typically 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. Learn more about our claims-based healthcare methodology.
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:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
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:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
What procedures does a Gastroenterologist like Dr. Klein typically perform?
As a Gastroenterologist, Dr. Klein 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. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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 Michigan
Cambia Health Solutions
Capital Blue Cross
Cigna Group
CVS Health (formerly Aetna)
Medicare
Other Health Care Provider
Unknown
View All Insurances
Where is Dr. Klein's office located?
Dr. Frederick Klein's Primary Practice
7566 N La Cholla Blvd Ste A
Tucson, AZ 85741
(520) 742-4139
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.
What does a Gastroenterologist do?
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.
Is this Dr. Frederick Klein affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Klein is affiliated with Northwest Medical Center - Tucson, Az, Tucson 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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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