NPPES file of Aug 9, 2026

David Sokoyoon Chung, MD

Gastroenterology Physician · Torrance, CA

David Sokoyoon Chung, MD is a gastroenterology physician with a practice address in Torrance, California, and NPI 1851362974, issued on Jan 27, 2006. Check the license (California A74862, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851362974
Name
David Sokoyoon Chung
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A74862 CA
Self-reported in NPPES; status is on the state search
Practice location
23451 Madison St Ste 290, Torrance, CA 90505
Phone
(310) 375-1246
Enumerated
Jan 27, 2006
Record last updated
Sep 26, 2024
Fax
(310) 375-0981
Medicare enrollment
Enrolled (PECOS I20040917001185); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1998
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 23451 Madison St Ste 290

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pamela Almario, NPNurse Practitioner1780270595
  2. Melissa Mae Alvaro, FNP-BCFamily Nurse Practitioner1861371593
  3. Michael Bernstein, MDGastroenterology Physician1306665849
  4. Jocelyn Flores, FNPFamily Nurse Practitioner1407663057
  5. Thai Ha, MDGastroenterology Physician1174512172
  6. Shahina Hakim, MDGastroenterology Physician1114957057

Verify David Sokoyoon Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74862
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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21% more Medicare Part D claims than the average gastroenterology physician in 2024

981 Medicare Part D claims for 324 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. David Chung981
  2. Specialty average811

Most prescribed

  1. Omeprazole260 claims
  2. Famotidine112 claims
  3. Gavilyte-G78 claims
  4. Dicyclomine Hcl59 claims
  5. Pantoprazole Sodium45 claims
  6. Linzess32 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $719.22

33 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Chung$719.22
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Digestive Care ConsultantsTorrance, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Sokoyoon Chung among 2,140 gastroenterology physician records in California

David Sokoyoon Chung, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1998 · median 2002 among the 1,538 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Susanna Chan, M.D.Torrance, CA 905051497794283
  2. Karl Fukunaga, MDTorrance, CA 905051487644613
  3. Thai Ha, MDTorrance, CA 905051174512172
  4. Kenneth Holt, MDTorrance, CA 905051932198108
  5. Tonny Lee, M.D.Torrance, CA 905051639118748
  6. Masaharu Osato, M.D.Torrance, CA 905051265470280
  7. Norman Panitch, MDTorrance, CA 905051306881487
  8. Chirag Patel, MDTorrance, CA 905051457307142

Common questions

What is David Sokoyoon Chung, MD's NPI number?

David Sokoyoon Chung, MD's National Provider Identifier (NPI) is 1851362974, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Sokoyoon Chung, MD located?

The NPPES record lists a practice address at 23451 Madison St Ste 290, Torrance, CA, 90505. Phone: (310) 375-1246. Providers update this record themselves, so call before visiting.

How can I verify David Sokoyoon Chung, MD's license?

NPPES lists California license number A74862, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Sokoyoon Chung, MD prescribe under Medicare Part D?

In 2024, David Sokoyoon Chung, MD had 981 Medicare Part D claims for 324 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.