Physician Profile
An-Yu Chen, M.D.
Unclaimed ProfileAbout Dr. Chen
An-Yu Chen, M.D. is a healthcare provider in Lexington, KY specializing in gastroenterology. An-Yu trained at Northeastern Ohio University College of Medicine, graduating in 1985. Medicare claims data shows An-Yu provided 916 services to 882 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (859) 258-4950
- Email not available
Practice Locations
1221 S BROADWAY
Lexington, KY 40504
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
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
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
- Stool Transplant
Procedures Most Often Billed to Medicare
916 services · 882 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
163 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
130 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
103 |
| Dilation of esophagus | Procedure | 43450 |
73 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
46 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
16 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
129 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
71 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
44 |
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 — 31 related providers in 4 groups
Other gastroenterologists in Lexington 7
Same specialty, same city.
Trained at Northeastern Ohio University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Northeastern Ohio University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in KY who bill this service to Medicare most often.
Common questions
What does An-Yu Chen specialize in?
An-Yu Chen is a gastroenterologist in Lexington, KY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is An-Yu Chen located?
An-Yu Chen is listed at 1221 S Broadway, Lexington, KY 40504. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is An-Yu Chen's phone number?
The number on file is (859) 258-4950. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for An-Yu Chen?
An-Yu Chen's National Provider Identifier is 1992731269. 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 An-Yu Chen train?
An-Yu Chen attended Northeastern Ohio University College of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does An-Yu Chen have?
An-Yu Chen has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does An-Yu Chen do most often?
According to Medicare billing data, An-Yu Chen performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is An-Yu Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by An-Yu Chen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.