DAVID SOKOYOON CHUNG MD
NPI 1851362974
Internal Medicine - Gastroenterology in Torrance, CA

Q: What is David Chung's NPI number?

The NPI number for David Chung is 1851362974. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Q: What is David Chung'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 David Chung was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 January 27, 2006PECOS EnrolledAccepts Medicare Assignment

23451 MADISON ST STE 290, TORRANCE, CA 90505(310) 375-1246(310) 375-0981 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 26, 2024, Dec 11, 2019 (2 updates tracked since 2019).

On this page

About David Sokoyoon Chung Md NPPES

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

DAVID SOKOYOON CHUNG MD (NPI 1851362974) is an individual gastroenterology provider in Torrance, California, licensed in California (A74862) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1998).

NPPES Registry Identity

NPI1851362974

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDAVID SOKOYOON CHUNGCredential: MD

Location Address23451 MADISON ST STE 290Torrance, CA 90505-4737

Mailing Address23451 Madison St Ste 290Torrance, CA 90505-4737 · (310) 375-1246 · Fax (310) 375-0981

Phone(310) 375-1246

Fax(310) 375-0981

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1998

Enumeration DateJanuary 27, 2006

Last NPPES UpdateSeptember 26, 20242 updates tracked since enumeration

NPPES CertifiedSeptember 26, 2024

✔ NPI 1851362974 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 · A74862

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.

23451 MADISON ST STE 290, Torrance, CA 90505

Open in Google Maps ↗

Other Identifiers 2

OtherI4181891Aetna

Other12376369Caqh

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David Sokoyoon Chung 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 ID3375511330

PECOS Enrollment IDI20040917001185

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.

Medicare Billing Reassignments

Medicare enrollment records show David Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Digestive Care Consultants

Same address

Gastroenterology

23451 MADISON ST STE 290
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
18 clinicians in this Medicare group

NPI 1720078892 (310) 375-1246

County Of Los Angeles

3.5 mi

General Acute Care Hospital

1000 W CARSON ST # 2
Torrance, CA 90502

Reassigned Medicare billing, California enrollment
1,939 clinicians in this Medicare group

NPI 1851363188 (310) 222-2171

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

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.

188 services108 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

183 services57 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.

71 services68 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.

66 services27 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.

54 services52 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.

52 services48 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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.

Other Providers at the Same Location NPPES 16

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

SHAHINA HAKIM MD

Internal Medicine (Gastroenterology)