AN-YU CHEN M.D.
NPI 1992731269
Internal Medicine - Gastroenterology in Lexington, KY

Q: What is An-yu Chen's NPI number?

The NPI number for An-yu Chen is 1992731269. It was assigned to this individual provider in the NPPES registry on June 25, 2006.

Q: What is An-yu Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for An-yu Chen was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 25, 2006PECOS EnrolledAccepts Medicare Assignment

83.65/100

CMS Quality Rating

1221 S BROADWAY, LEXINGTON, KY 40504(859) 258-4950(859) 258-4618 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About An-yu Chen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AN-YU CHEN M.D. (NPI 1992731269) is an individual gastroenterology provider in Lexington, Kentucky, licensed in Kentucky (36512) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Hospital, and maintains a secondary practice location in Richmond.

NPPES Registry Identity

NPI1992731269

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameAN-YU CHENCredential: M.D.

Location Address1221 S BROADWAYLexington, KY 40504-2701

Mailing Address1221 S BroadwayLexington, KY 40504-2701 · (859) 258-6200 · Fax (859) 258-6203

Phone(859) 258-4950

Fax(859) 258-4618

Sole ProprietorNo

Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1985

Enumeration DateJune 25, 2006

Last NPPES UpdateJune 12, 2026

NPPES CertifiedJune 12, 2026

✔ NPI 1992731269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in KY · 36512

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1221 S BROADWAY, Lexington, KY 40504

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Secondary Practice Location 1

Location 1858 Eastern BypRichmond, KY 40475-2512 · Phone (859) 258-4950 · Fax (859) 258-4618

Other Identifiers 1

Medicaid64033384KY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

An-yu Chen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466472113

PECOS Enrollment IDI20051128000321

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

163 services162 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

130 services130 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

129 services129 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

103 services102 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

75 services64 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

73 services73 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

71 services53 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

46 services46 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

44 services44 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

22 services22 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

16 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Joseph Hospital

Acute Care Hospitals · Lexington, KY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number180010

LocationOne Saint Joseph DriveLexington, KY 40504 · Fayette County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.77 typical visit price

range $52.76 – $162.27

Typical copayment $30.69 (range $13.19 – $40.56)

Most-billed visit code 99204

Established Patient

$93.94 typical visit price

range $16.53 – $131.99

Typical copayment $23.48 (range $4.13 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.65/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

88.8

Promoting Interoperability

100

Improvement Activities

Cost

56.71

Reported Quality Measures

Breast Cancer Screening

69%170 patients3/55-star benchmark: 93%

Cervical Cancer Screening

34%151 patients2/55-star benchmark: 98%

Colorectal Cancer Screening

87%334 patients4/55-star benchmark: 88%

Controlling High Blood Pressure

75%207 patients4/55-star benchmark: 91%

Diabetes: Eye Exam

58%64 patients3/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

11%64 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%794 patients4/55-star benchmark: 100%

e-Prescribing

98%1,687 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

45%569 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

40%455 patients2/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 79% · 543 patients

Patients screened: 81% · 543 patients

73%44 patients3/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

81%1,432 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

81%150 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 5% · 273 patients

Patients totalRate: 23% · 292 patients

24%292 patients2/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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