Steven J. Weiss, MD
Gastroenterology Physician · Downey, CA
Steven J. Weiss, MD is a gastroenterology physician with a practice address in Downey, California, and NPI 1457569162, issued on May 18, 2007. Check the license (California G39288, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Steven J. Weiss
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G39288 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11480 Brookshire AV, Downey, CA 90242
- Phone
- (562) 861-0897
- Enumerated
- May 18, 2007
- Record last updated
- Mar 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 659-6237
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Steven J. Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G39288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Steven J. Weiss among 2,140 gastroenterology physician records in California
Steven J. Weiss, 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 not. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2008 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in Downey → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Rajeev Attam, MDDowney, CA 902421184694309
- Terence Chiu, MDDowney, CA 902421427083229
- Gareth Dulai, MDDowney, CA 902421164457883
- Michelle Vu, M.D.Downey, CA 902421164715439
- Gaurang Chaurushia, MDDowney, CA 902411538126131
- Kevin Dholaria, M.D.Downey, CA 902411629343736
- Ann Lee, M.D.Downey, CA 902411396979126
- Andrew Nguyen, MDDowney, CA 902411154784783
Common questions
What is Steven J. Weiss, MD's NPI number?
Steven J. Weiss, MD's National Provider Identifier (NPI) is 1457569162, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven J. Weiss, MD located?
The NPPES record lists a practice address at 11480 Brookshire AV, Downey, CA, 90242. Phone: (562) 861-0897. Providers update this record themselves, so call before visiting.
How can I verify Steven J. Weiss, MD's license?
NPPES lists California license number G39288, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.