Gloria Sze, M.D.
Gastroenterology Physician · Torrance, CA
Gloria Sze, M.D. is a gastroenterology physician with a practice address in Torrance, California, and NPI 1528004090, issued on Jun 21, 2006. Check the license (California G74929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gloria Sze
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G74929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23456 Hawthorne Blvd Ste 300, Torrance, CA 90505
- Phone
- (310) 539-2055
- Enumerated
- Jun 21, 2006
- Entity
- Type 1 · individual
Also registered at 23456 Hawthorne Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Cho, M.D.Gastroenterology Physician1346433828
- Jerome Cohen, M.D.Gastroenterology Physician1922036474
- Alessandra Dibernardo, PTAPhysical Therapy Assistant1801308283
- Bernard Felipe, PTAPhysical Therapy Assistant1306496484
- Yesenia French, FNPFamily Nurse Practitioner1760243521
- Liam Heng, AGACNPRegistered Nurse1316331838
Verify Gloria Sze in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11% more Medicare Part D claims than the average gastroenterology physician in 2024
944 Medicare Part D claims for 274 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium258 claims
- Famotidine143 claims
- Omeprazole142 claims
- Dexlansoprazole Dr35 claims
- Linzess35 claims
- Mesalamine26 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: $971.98
51 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- South Bay Gastroenterology Medical GroupTorrance, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in California
There are 1,749 gastroenterology physician records in California.
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
- Constante Abaya, MDOxnard, CA1003918459
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
- Safwat Absood, M.D.Modesto, CA1932113891
- Ronald Adamany, M.D.Mission Viejo, CA1992780688
Common questions
What is Gloria Sze, M.D.'s NPI number?
Gloria Sze, M.D.'s National Provider Identifier (NPI) is 1528004090, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gloria Sze, M.D. located?
The NPPES record lists a practice address at 23456 Hawthorne Blvd Ste 300, Torrance, CA, 90505. Phone: (310) 539-2055. Providers update this record themselves, so call before visiting.
How can I verify Gloria Sze, M.D.'s license?
NPPES lists California license number G74929, 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 Gloria Sze, M.D. prescribe under Medicare Part D?
In 2024, Gloria Sze, M.D. had 944 Medicare Part D claims for 274 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.