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Dr. Aaron Fieker, DO

Internal Medicine*
3.2 (16)
Map Pin Small Tulsa, OK
Accepting new patients
23 years of experience

Offers telehealth

Overview of Dr. Aaron Fieker, DO

Dr. Aaron Fieker, DO is an Internal Medicine Specialist in Tulsa, OK. They specialize in Internal Medicine, has 23 years of experience, and is board certified in Gastroenterology. They graduated from Oklahoma State University Center for Health Sciences College of Osteopathic Medicine and is affiliated with Saint Francis Hospital South and Ascension St. John Medical Center. Patients rated Dr. Fieker an average 3.2 star rating.

Dr. Fieker works at Warren Clinic Gastroenterology in Tulsa, OK. They frequently treat conditions like Non-Alcoholic Fatty Liver Disease, Noninfectious Gastroenteritis and Colitis and Constipation along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Fieker's Office Locations

  1. 1
    Warren Clinic Gastroenterology
    6160 S Yale Ave Ste 100, Tulsa, OK 74136 Icon Directions Right Arrow Directions Phone Icon (918) 497-3300

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Saint Francis Hospital South
  • Ascension St. John Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Constipation
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Constipation

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Constipation
Diarrhea
  • View other providers who treat Diarrhea
Esophageal Motility Disorders
Gastroparesis
Heartburn
Abdominal Pain
All Headaches (incl. Migraine)
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Biliary Cirrhosis
Celiac Disease
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Duodenal Ulcer
Duodenitis
Dysphagia
Enteritis
Esophageal Varices
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Hemorrhoids
Hepatitis B
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Ulcer
Irritable Bowel Syndrome
Joint Pain
Malnutrition
Nausea
  • View other providers who treat Nausea
Pancreatitis
Primary Biliary Cholangitis
Reflux Esophagitis
Retroperitoneum Cancer
Tobacco Use Disorder
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Urinary Tract Infection (UTI)
Vitamin_Deficiency
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Laparoscopic Removal of Stones from Biliary Tract
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Bronchitis
Acute Gastritis
Acute Lower Respiratory Infection
Acute Upper Respiratory Infection
Adult Failure to Thrive
Alcoholic Cirrhosis
All Types of Food Poisoning
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Bowel Strangulation
Cachexia
  • View other providers who treat Cachexia
Cholangitis
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Copper Metabolism Disorders
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Duodenal Cancer
Dysentery
E. coli Food Poisoning
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Ulcer
Familial Adenomatous Polyposis
Fever
  • View other providers who treat Fever
Food Allergy
Gastrojejunal Ulcer
Hemochromatosis
Hepatitis A
Hepatitis B - Immune Response
Hepatitis C
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Intestinal Obstruction
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Leukocytopenia
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Megacolon
Mesenteric Panniculitis
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pelvic Abscess
Peptic Ulcer
Pinworm
  • View other providers who treat Pinworm
Potassium Deficiency
Pouchitis
Primary Sclerosing Cholangitis
Pyloric Stenosis
Rectal Ulcer
Sclerosing Mesenteritis
Secondary Biliary Cholangitis
Shortness of Breath
Splenomegaly
Stomach Stenosis
Urinary Incontinence
Venous Embolism and Thrombosis
Viral Enteritis
Viral Hepatitis
Viral Infection
Visceroptosis
Vitamin B12 Anemia
Bile Duct Procedure
Biliary Drainage
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Immunization Administration
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound
VAP Lipid Testing
Wireless pH Testing
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Community Care Network
    • First Health
    • MultiPlan
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.2
    Average provider rating
    Based on 16 ratings
    Patient Ratings (16)
    5 Star
    (7)
    4 Star
    (2)
    3 Star
    (0)
    2 Star
    (2)
    1 Star
    (5)
    Leave a review

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    Dr. Fieker's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Fieker

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Aaron Fieker, DO

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 23 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1326268079
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • University of Oklahoma College of Medicine
    Fellowship
    Internship
    • University of Tennessee College of Medicine
    Internship
    Medical Education
    • Oklahoma State University Center for Health Sciences College of Osteopathic Medicine
    Medical Education
    Board Certifications
    • Gastroenterology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Aaron Fieker, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Fieker is offering online scheduling or call the provider’s office for more information.

    Dr. Fieker has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Fieker works at Warren Clinic Gastroenterology in Tulsa, OK. View the full address on Dr. Fieker’s profile.

    Dr. Fieker has seen patients for Non-Alcoholic Fatty Liver Disease, Noninfectious Gastroenteritis and Colitis and Constipation, and more. You can see other conditions treated by Dr. Fieker on their profile. Please call the provider’s office to confirm all visit reasons.

    16 patients have reviewed Dr. Fieker. The overall rating for this provider is 3.2. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Fieker.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Fieker, there are benefits to both methods. A person calling to schedule an with Dr. Fieker appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Fieker, or would you like to choose another provider and have an online appointment right now?
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    Call now to make an appointment
    (918) 497-3300

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