GARY CHEN M.D.
NPI 1720200132
Internal Medicine - Gastroenterology in Las Vegas, NV

Q: What is Gary Chen's NPI number?

The NPI number for Gary Chen is 1720200132. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Q: What is Gary 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 Gary Chen was last updated on February 21, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

8530 W SUNSET RD, SUITE 230, LAS VEGAS, NV 89113(702) 483-4483(702) 483-4493 Get Directions Write a Review

NPPES record last updated: February 21, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Gary Chen M.d. NPPES

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

GARY CHEN M.D. (NPI 1720200132) is an individual gastroenterology provider in Las Vegas, Nevada, licensed in Nevada (13449) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Avon Hospital, and is a graduate of University Of California, Geffen School Of Medicine (2004).

NPPES Registry Identity

NPI1720200132

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameGARY CHENCredential: M.D.

Location Address8530 W SUNSET RD, SUITE 230Las Vegas, NV 89113-2215

Mailing Address8530 W Sunset Rd, Suite 230Las Vegas, NV 89113-2215 · (702) 483-4483 · Fax (702) 483-4493

Phone(702) 483-4483

Fax(702) 483-4493

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2004

Enumeration DateMay 3, 2007

Last NPPES UpdateFebruary 21, 2017

✔ NPI 1720200132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in NV · 13449✔ Licensed in CA · A965014

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.

8530 W SUNSET RD, Las Vegas, NV 89113

Open in Google Maps ↗

Other Identifiers 2

Medicare PINEJ236ZNV

Medicaid1720200132NV

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

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

Gary 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 ID1456531615

PECOS Enrollment IDI20110207000174

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 27

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.

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

711 services149 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

395 services156 patients

Established patient office or other outpatient visit, 20-29 minutes 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.

151 services132 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

140 services121 patients

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.

87 services87 patients

New patient office or other outpatient visit, 45-59 minutes 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.

83 services83 patients

New patient office or other outpatient visit, 30-44 minutes 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.

74 services74 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.

71 services69 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.

54 services54 patients

New patient office or other outpatient visit, 15-29 minutes 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

48 services48 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.

40 services40 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

40 services26 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

35 services17 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

33 services28 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.

32 services32 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

25 services24 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.

18 services18 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421

This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.

18 services15 patients

Measurement of liver stiffness 91200

Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.

17 services17 patients

Test for tone and sensation of rectum and anus 91120

This procedure checks the health of the lower digestive tract. The doctor gently examines the area to assess its muscle strength and sensitivity. This helps in detecting any abnormal conditions. It's a standard, safe procedure with minimal discomfort.

16 services16 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

16 services15 patients

Study of rectum sensitivity and function 91122

This procedure examines the rectum's sensitivity and functionality. It involves a small, soft balloon inserted into the rectum and inflated to various degrees. The goal is to assess how well your rectum can sense and respond to different volumes. It's a crucial test for diagnosing certain digestive issues.

15 services15 patients

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487

Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.

14 services12 patients

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489

Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.

14 services12 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

12 services12 patients

Upper gastrointestinal (GI) endoscopy for acid reflux NAN12

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

0 services193 patients

Colonoscopy NAN13

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

0 services386 patients

Hospital Affiliations CMS Care Compare

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

Cleveland Clinic Avon Hospital

Acute Care Hospitals · Avon, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360364

Location33300 Cleveland Clinic BlvdAvon, OH 44011 · Lorain County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89113 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

$131.25 typical visit price

range $57.07 – $173.24

Typical copayment $32.81 (range $14.26 – $43.31)

Most-billed visit code 99204

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

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.

75/100

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

Scored as part of a group practice

Other Providers at the Same Location NPPES 12

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

DR. KEVIN RAYLS M.D.

Surgery

8530 W SUNSET RD, SUITE 240
LAS VEGAS, NV 89113

Clark County (702) 796-0022

FRASER HAND SURGERY LLC

Orthopaedic Surgery (Hand Surgery)

8530 W SUNSET RD, SUITE 345
LAS VEGAS, NV 89113

Clark County (702) 576-1818

BESS LEE CHANG D.O.

Psychiatry & Neurology (Neurology)

8530 W SUNSET RD, SUITE 350
LAS VEGAS, NV 89113

Clark County (702) 851-1065

MEDICAL NEUROLOGY CHANG LTD

Psychiatry & Neurology (Neurology)

8530 W SUNSET RD, SUTE 350
LAS VEGAS, NV 89113

Clark County (702) 851-1065

DR. MICHAEL E SEIFF M.D.

Neurological Surgery

8530 W SUNSET RD, SUITE 250
LAS VEGAS, NV 89113

Clark County (702) 851-0792

DR. JOHN A ANSON M.D.

Neurological Surgery

8530 W SUNSET RD, SUITE 250
LAS VEGAS, NV 89113

Clark County (702) 851-0792

ELIZABETH L HUCK DO

Radiology (Diagnostic Radiology)

8530 W SUNSET RD, SUITE 120
LAS VEGAS, NV 89113

Clark County (702) 254-5004

DR. CHRISTIAN DIAZ STONE MD, MPH

Internal Medicine (Gastroenterology)

8530 W SUNSET RD, SUITE 230
LAS VEGAS, NV 89113

Clark County (702) 483-4483

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Chen's NPI number?

The NPI number for Gary Chen is 1720200132. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Gary Chen located?

Gary Chen practices at 8530 W Sunset Rd Suite 230, Las Vegas, NV 89113. The listed phone number is (702) 483-4483.

What is Gary Chen's specialty?

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

Is Gary Chen enrolled in Medicare?

Yes. Gary Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gary Chen accept?

Health plans from Ambetter from Arizona Complete Health list Gary Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gary Chen affiliated with any hospitals?

According to CMS data, Gary Chen is affiliated with Cleveland Clinic Avon Hospital.

When was this NPI record last updated?

The NPPES record for Gary Chen was last updated on February 21, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.