WEI-CHUNG CHEN MD
NPI 1699066381
Internal Medicine - Gastroenterology in Los Angeles, CA

Q: What is Wei-chung Chen's NPI number?

The NPI number for Wei-chung Chen is 1699066381. It was assigned to this individual provider in the NPPES registry on April 28, 2011.

Q: What is Wei-chung 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 Wei-chung Chen was last updated on June 19, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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 April 28, 2011PECOS EnrolledAccepts Medicare Assignment

83.99/100

CMS Quality Rating

1520 SAN PABLO ST, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: June 19, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Wei-chung Chen Md NPPES

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

WEI-CHUNG CHEN MD (NPI 1699066381) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A137336) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1699066381

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWEI-CHUNG CHENCredential: MD

Location Address1520 SAN PABLO STLos Angeles, CA 90033-5310

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100

Phone(323) 442-5100

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateApril 28, 2011

Last NPPES UpdateJune 19, 2017

✔ NPI 1699066381 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 CA · A137336

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.

1520 SAN PABLO ST, Los Angeles, CA 90033

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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

Wei-chung Chen Md 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 ID1850519463

PECOS Enrollment IDI20170522002974

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.

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.

207 services20 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

132 services78 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.

122 services20 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.

117 services94 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

98 services97 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.

87 services87 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.

64 services64 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.

60 services60 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.

44 services44 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.

35 services32 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

16 services16 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

83.99/100

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

Scored as part of a group practice

Quality

79.4

Improvement Activities

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.

DR. CAROLINE HWANG M.D.

Internal Medicine (Gastroenterology)

1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5100

GISELLE MARIA PETZINGER M.D.

Psychiatry & Neurology (Neurology)

1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5710

LIGAYA CASTILLO

Nurse Practitioner

1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5100

ERICA ZOE SHOEMAKER MD

Psychiatry & Neurology (Psychiatry)

1520 SAN PABLO ST, STE 1652
LOS ANGELES, CA 90033

Los Angeles County (323) 442-6000

DR. MICHELE TORTORA PATO M.D.

Psychiatry & Neurology (Psychiatry)

1520 SAN PABLO ST, STE1652
LOS ANGELES, CA 90033

Los Angeles County (323) 442-6000

DR. EDY E SOFFER M.D.

Internal Medicine (Gastroenterology)

1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5100

DR. TRACY DEBRA LAWRENCE M.D.

Internal Medicine (Cardiovascular Disease)

1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5100

CAROLYN L. KALOOSTIAN MD

Family Medicine (Geriatric Medicine)

1520 SAN PABLO ST, 1ST FLOOR
LOS ANGELES, CA 90033

Los Angeles County (323) 442-5900

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 Wei-chung Chen's NPI number?

The NPI number for Wei-chung Chen is 1699066381. It was assigned to this individual provider in the NPPES registry on April 28, 2011.

Where is Wei-chung Chen located?

Wei-chung Chen practices at 1520 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Wei-chung Chen's specialty?

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

Is Wei-chung Chen enrolled in Medicare?

Yes. Wei-chung 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.

When was this NPI record last updated?

The NPPES record for Wei-chung Chen was last updated on June 19, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.