TJ
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Johnson, Gastroenterologist in Ames, IA?
Dr. Thomas Johnson, MD is a Gastroenterologist, who primarily practices in Ames, IA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Johnson graduated from University of Illinois College of Medicine and completed his residency at Loyola Univ Med Ctr, Gastroenterology; Loyola Univ Med Ctr, Internal Medicine. Dr. Johnson is fluent in English, and is currently seeing new patients. Dr. Johnson’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnson’s office at (515) 239-4400.
Where did Dr. Johnson go to medical school and complete their residency?
Residency: Loyola Univ Med Ctr, Gastroenterology; Loyola Univ Med Ctr, Internal Medicine | Loyola University Medical Center Program
Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine
Is Dr. Johnson board certified in Gastroenterologist?
Yes, Dr. Thomas Johnson, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Johnson speak?
Dr. Johnson and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Johnson treat?
As a Gastroenterologist, Dr. Johnson 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. Johnson. 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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K922: Gastrointestinal hemorrhage, unspecified
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
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. Johnson perform?
As a Gastroenterologist, Dr. Johnson 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. Johnson. 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 Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy with Bleeding Control
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
CPT Codes:
- 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)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45382: Colonoscopy, flexible; with control of bleeding, any method
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- Esophagus Widening Procedure (Endoscopic)
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
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:
- ERCP with Sphincterotomy
- ERCP with Bile Duct Dilation
- ERCP with Stent Placement
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
- Endoscopic Retrograde Cholangiopancreatography with Dilation
- Bile Duct Widening via ERCP
- Pancreatic Duct Balloon Dilation
- 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
- 43277: Endoscopic retrograde cholangiopancreatography (ERCP); with trans-endoscopic balloon dilation of biliary/pancreatic duct(s) or of ampulla (sphincteroplasty), including sphincterotomy, when performed, each duct
- 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:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Stomach/Duodenum Dilation
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
CPT Codes:
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
Also known as:
- Esophageal Motility Study
- Esophageal manometry
- Swallowing function test
- GERD test
- Esophageal pressure study
CPT Codes:
- 91010: Esophageal motility (manometric study of the esophagus and/or gastroesophageal junction) study with interpretation and report;
Does Dr. Johnson accept my insurance?
Dr. Johnson accepts most major insurance plans. Important: Please call our office at (515) 239-4400 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Johnson accept in Ames, IA?
Dr. Johnson in Ames, IA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Humana
Medicare
MedImpact
State of Tennessee
UnitedHealthcare
Wellmark BlueCross BlueShield
View All Insurances
Where is Dr. Johnson's office located?
What is Dr. Johnson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Johnson's National Provider Identifier (NPI) number is 1639168685.
What common questions do patients ask about Dr. Johnson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Johnson
What is Dr. Thomas Johnson's specialty?
Dr. Johnson is a Gastroenterologist near Ames, IA. 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. Johnson to book an appointment today.
Is this Dr. Thomas Johnson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Johnson is affiliated with St. Anthony Regional Hospital 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 Thomas Johnson accepting new patients in Ames, IA?
Yes, Dr. Thomas Johnson is accepting new patients at this time.
Does Dr. Thomas Johnson offer online booking?
Please contact Dr. Johnson's office at (515) 239-4400 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Thomas Johnson?
Please contact Dr. Johnson's office at (515) 239-4400 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Thomas Johnson have?
Dr. Thomas Johnson is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Ames, IA
LJ
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Accepting patientsDr. Larry Johnston, DO is a Gastroenterologist, who primarily practices in Ames, IA with 1 additional practice location. He is board certified.
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Accepting patientsDr. Jeremy Fields, MD is a Gastroenterologist, who primarily practices in Ames, IA with 2 additional practice locations. He has been practicing for over 14 years and is board certified by the American Board of Internal Medicine.
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RG
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Accepting patientsDr. Robert Graveline, MD is a Gastroenterologist, who primarily practices in Ames, IA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine.
Ames, IA