23 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Wamsteker, Gastroenterologist in Ann Arbor, MI?
Dr. Erik Jan Wamsteker, MD is a Gastroenterologist, who primarily practices in Ann Arbor, MI with 2 additional practice locations. He has been practicing for over 23 years and is board certified. Dr. Wamsteker completed his residency at University Of Mi Hosps and Health Ctrs. Dr. Wamsteker is fluent in English, and is currently seeing new patients. Dr. Wamsteker’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wamsteker’s office.
What are Areas of Expertise for Dr. Wamsteker?
Dr. Erik Jan Wamsteker, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Wamsteker empowers patients to confidently navigate their health journey, specializing in Pancreatic Cancer-Early Detection, Pancreatic/Biliary Endoscopy (ERCP), or comprehensive wellness support. Serving the Ann Arbor/MI community, Dr. Wamsteker is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Wamsteker go to medical school and complete their residency?
Fellowship: Internal Medicine Gastroenterology, University of Michigan Health System
Residency: University Of Mi Hosps and Health Ctrs | University of Michigan Affiliated Hospitals
Is Dr. Wamsteker board certified as a Gastroenterologist?
Yes, Dr. Erik Jan Wamsteker, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Wamsteker speak?
Dr. Wamsteker and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Wamsteker treat?
As a Gastroenterologist, Dr. Wamsteker 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. Wamsteker. 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:
- Blocked Bile Duct
- Bile Duct Disease
- Biliary Obstruction
- Bile Duct Blockage
- Obstructed Bile Duct
ICD-10 Codes:
- K831: Obstruction of bile duct
Also known as:
- Non-cancerous Stomach Growth
- Benign Tumor
- Stomach Disorder
- Benign stomach tumor
- Stomach neoplasm
- Non-malignant stomach mass
ICD-10 Codes:
- D131: Benign neoplasm of stomach
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:
- Bile Duct Stones
- Gallstones
- Choledocholithiasis
- Biliary duct calculi
ICD-10 Codes:
- K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction
Also known as:
- Digestive System Growth of Unknown Type
- Digestive Disease
- Digestive tract tumor of unknown nature
- GI growth of unknown type
- Indeterminate digestive mass
ICD-10 Codes:
- D490: Neoplasm of unspecified behavior of digestive system
Also known as:
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K8689: Other specified diseases of pancreas
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
What procedures does Dr. Wamsteker perform?
As a Gastroenterologist, Dr. Wamsteker 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. Wamsteker. 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
- Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- EGD with Endoscopic Ultrasound
- Upper Endoscopy with Mucosal Resection
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- ERCP with Biopsy
- Esophagus Widening Procedure (Endoscopic)
- Colonoscopy with Injections
- Upper Endoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper GI Endoscopy with Ultrasound
- EUS (Endoscopic Ultrasound)
- Esophagus, Stomach, Duodenum Ultrasound
- EGD with Mucosal Resection
- Endoscopic Removal of Esophageal Lesion
- Flexible Endoscopy with Tissue Removal
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Endoscopic Retrograde Cholangiopancreatography with Biopsy
- Bile Duct Biopsy (ERCP)
- Pancreatic Duct Biopsy (ERCP)
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Submucosal Injections
- Esophagogastroduodenoscopy with Injections
- Stomach Scope with Medication
CPT Codes:
- 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
- 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43261: Endoscopic retrograde cholangiopancreatography (ERCP); with biopsy, single or multiple
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43236: Esophagogastroduodenoscopy, flexible, transoral; with directed submucosal injection(s), any substance
Also known as:
- ERCP for Bile/Pancreatic Stent Exchange
- ERCP with Bile or Pancreatic Duct Stent Removal
- ERCP with Stent Placement
- ERCP with Sphincterotomy
- ERCP with Bile Duct Dilation
- Bile duct stent replacement (ERCP)
- Endoscopic retrograde cholangiopancreatography with stent exchange
- Biliary stent removal and replacement
- Pancreatic duct stent exchange
- Endoscopic Retrograde Cholangiopancreatography
- Bile Duct Stent Removal
- Pancreatic Duct Foreign Body Removal
- ERCP Stone Removal
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
- Endoscopic Retrograde Cholangiopancreatography with Dilation
- Bile Duct Widening via ERCP
- Pancreatic Duct Balloon Dilation
CPT Codes:
- 43276: Endoscopic retrograde cholangiopancreatography (ERCP); with removal and exchange of stent(s), biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent exchanged
- 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
- 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
- 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
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:
- Upper Endoscopy with Polyp Removal
- Upper Endoscopy with Tumor Ablation
- Upper Endoscopy with Ultrasound (EUS)
- Upper Endoscopy with Stomach/Duodenum Dilation
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
- EGD with Ablation
- Esophagus, Stomach, Duodenum Scope with Ablation
- Flexible Endoscopy Lesion Treatment
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
Also known as:
- Upper GI Endoscopy with Ultrasound Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with EUS-FNA
- Endoscopic Ultrasound Biopsy
- Esophageal/Stomach Biopsy
CPT Codes:
- 43238: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s), (includes endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures)
Also known as:
- Upper Endoscopy with Ultrasound and Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with Endoscopic Ultrasound Biopsy
- Transoral EUS-FNA
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)
Also known as:
- Upper Endoscopy for Foreign Body Removal
- EGD for Foreign Body
- Gastroscopy for Object Removal
- Esophagogastroduodenoscopy for Foreign Body
CPT Codes:
- 43247: Esophagogastroduodenoscopy, flexible, transoral; with removal of foreign body(s)
Also known as:
- Endoscopic Tube Placement into Bile or Pancreatic Duct
- ERCP Cannulation
- Bile Duct Cannulation
- Pancreatic Duct Access (Endoscopic)
CPT Codes:
- 43273: Endoscopic cannulation of papilla with direct visualization of pancreatic/common bile duct(s) (List separately in addition to code(s) for primary procedure)
Also known as:
- Upper GI Scope with Stent Placement
- EGD with Stent
- Esophageal Stent Placement
- Stomach Stent Insertion
CPT Codes:
- 43266: Esophagogastroduodenoscopy, flexible, transoral; with placement of endoscopic stent (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Inhalation Breathing Treatment
- Nebulizer Treatment
- Aerosol Treatment
- IPPB Treatment
- Airway Obstruction Treatment
CPT Codes:
- 94640: Pressurized or nonpressurized inhalation treatment for acute airway obstruction for therapeutic purposes and/or for diagnostic purposes such as sputum induction with an aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device
Does Dr. Wamsteker accept my insurance?
Dr. Wamsteker accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Wamsteker accept in Ann Arbor, MI?
Dr. Wamsteker in Ann Arbor, MI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Carpenters Funds Administrative Office (CA)
Citizens Rx
CVS Health (formerly Aetna)
Health Alliance Plan (HAP)
Humana
Medicare
Spectrum / Priority Health
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Wamsteker's office located?
What is Dr. Wamsteker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Wamsteker's National Provider Identifier (NPI) number is 1255416863.
What common questions do patients ask about Dr. Wamsteker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Wamsteker
What is Dr. Erik Jan Wamsteker's specialty?
Dr. Wamsteker is a Gastroenterologist near Ann Arbor, MI. 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. Wamsteker to book an appointment today.
Is this Dr. Erik Jan Wamsteker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Wamsteker is affiliated with University Hospital - Michigan Medicine 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 Erik Jan Wamsteker accepting new patients in Ann Arbor, MI?
Yes, Dr. Erik Jan Wamsteker is accepting new patients at this time.
Does Dr. Erik Jan Wamsteker offer online booking?
Please contact Dr. Wamsteker's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Erik Jan Wamsteker?
Please contact Dr. Wamsteker's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Erik Jan Wamsteker have?
Dr. Erik Jan Wamsteker is certified by the American Board of Internal Medicine.
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