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- 1500 East Medical Center Dr, 3Rd Floor Taubman Center Recp D, Ann Arbor, MI 48109
About Dr. Chen
Joan W. Chen, MD is a healthcare provider in Ann Arbor, MI specializing in gastroenterology. Joan trained at Vanderbilt University School of Medicine, graduating in 2005. Joan is also listed as specializing in internal medicine. Medicare claims data shows Joan provided 262 services to 244 patients. The services billed most often include study of esophagus to assess movement, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1932371713.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (734) 647-5944
- Email not available
Practice Locations
1500 EAST MEDICAL CENTER DR 3RD FLOOR TAUBMAN CENTER RECP D
Ann Arbor, MI 48109
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Hydrogen and methane breath testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Chronic illness
Clinical Nutrition
Digestive
General surgery
Lower endoscopy
- Diagnostic colonoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Stomach biopsy
- Endoscopic submucosal dissection
- Esophageal dilation
Most searched procedures
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
Procedures Most Often Billed to Medicare
262 services · 244 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
20 | Less often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
14 | Less often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
13 | Less often than most peers in Gastroenterology |
| Study of esophagus to assess movement | Treatment | 91010 |
33 | More than most peers in Gastroenterology |
| Study of esophagus to assess movement | Treatment | 91010 |
29 | More than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
26 | More often than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through nasal tube with electrode | Treatment | 91037 |
19 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
32 | Less often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
31 | As often as other peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
18 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other gastroenterologists in Ann Arbor 8
Same specialty, same city.
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Dr. Chen specialize in?
Dr. Chen is a gastroenterologist in Ann Arbor, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 1500 East Medical Center Dr 3Rd Floor Taubman Center Recp D, Ann Arbor, MI 48109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (734) 647-5944. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chen?
Dr. Chen's National Provider Identifier is 1932371713. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chen go to medical school?
Dr. Chen attended Vanderbilt University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chen have?
Dr. Chen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as study of esophagus to assess movement and monitoring and recording of esophageal function through nasal tube with electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
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