NPPES file of Aug 9, 2026

Albert Jeh-Seng Chang, MD

Gastroenterology Physician · Redlands, CA

Albert Jeh-Seng Chang, MD is a gastroenterology physician with a practice address in Redlands, California, and NPI 1790984805, issued on Jul 18, 2007. Check the license (California A78996, 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
1790984805
Name
Albert Jeh-Seng Chang
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A78996 CA
Self-reported in NPPES; status is on the state search
Practice location
10408 Industrial Cir, Redlands, CA 92374
Phone
(909) 796-0363
Enumerated
Jul 18, 2007
Record last updated
Feb 11, 2022
Fax
(909) 796-0762
Medicare enrollment
Enrolled (PECOS I20040115000645); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2000
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 10408 Industrial Cir

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

  1. Cynthia Navarro, LVNLicensed Vocational Nurse1447374475
  2. Anthony Ngo, PA-CPhysician Assistant1912308222
  3. Brittany PechinkoCertified Registered Nurse Anesthetist1750735353
  4. Rey Sumulong, CRNACertified Registered Nurse Anesthetist1831656446
  5. Gary Wernick, MDGastroenterology Physician1033189808
  6. Yan ZhangNurse Practitioner1447775259

Verify Albert Jeh-Seng Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78996
    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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7% fewer Medicare Part D claims than the average gastroenterology physician in 2024

753 Medicare Part D claims for 220 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Albert Chang753
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium150 claims
  2. Carvedilol49 claims
  3. Omeprazole48 claims
  4. Gavilyte-C40 claims
  5. Mesalamine37 claims
  6. Dexlansoprazole Dr33 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSacramento, CA

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

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
  4. Basim Abdelkarim, MDUpland, CA1932217544
  5. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  6. John Abdulian, M.D.Fresno, CA1437114113
  7. Hussein Abidali, DORancho Cucamonga, CA1205274768
  8. Alaa Abousaif, MDOrange, CA1235124108
  9. Donald Abrahm, M.D.Newport Beach, CA1215022405
  10. Maria Abreu, M.D.West Hollywood, CA1598793374

Common questions

What is Albert Jeh-Seng Chang, MD's NPI number?

Albert Jeh-Seng Chang, MD's National Provider Identifier (NPI) is 1790984805, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Albert Jeh-Seng Chang, MD located?

The NPPES record lists a practice address at 10408 Industrial Cir, Redlands, CA, 92374. Phone: (909) 796-0363. Providers update this record themselves, so call before visiting.

How can I verify Albert Jeh-Seng Chang, MD's license?

NPPES lists California license number A78996, 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 Albert Jeh-Seng Chang, MD prescribe under Medicare Part D?

In 2024, Albert Jeh-Seng Chang, MD had 753 Medicare Part D claims for 220 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.