NPPES file of Aug 9, 2026

Joseph Benjamin Weiss, M.D.

Gastroenterology Physician · Rancho Santa Fe, CA

Joseph Benjamin Weiss, M.D. is a gastroenterology physician with a practice address in Rancho Santa Fe, California, and NPI 1700979283, issued on Oct 2, 2006. Check the license (California G37436, 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
1700979283
Name
Joseph Benjamin Weiss
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
G37436 CA
23208 AZ
Self-reported in NPPES; status is on the state search
Practice location
18422 Calle LA Serra, Rancho Santa Fe, CA 92091
Phone
(858) 756-9800
Enumerated
Oct 2, 2006
Record last updated
Sep 23, 2024
Fax
(858) 756-9985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18422 Calle LA Serra

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

  1. Nancy Cetel, M.D.Gynecology Physician1093800500

Verify Joseph Benjamin Weiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G37436
    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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98% fewer Medicare Part D claims than the average gastroenterology physician in 2024

18 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Joseph Weiss18
  2. Specialty average811

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.

Joseph Benjamin Weiss among 2,140 gastroenterology physician records in California

Joseph Benjamin Weiss, M.D. 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 fileNo · 72% of these records are
  • 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. Pradipta Ghosh, M.D.La Jolla, CA 920931073778551
  2. Rafael Cuellar, M.D.Vista, CA 920811992863328
  3. Michael Docherty, M.D.San Diego, CA 921031841230935
  4. Suja Dubois, MDSan Diego, CA 921031013976612
  5. Michael Goldhamer, M.D.San Diego, CA 921031104880202
  6. Kevin Haynes, MDSan Diego, CA 921031467411447
  7. Gordon Hunt, M.D.San Diego, CA 921031063437101
  8. Barbara Jung, M.D.San Diego, CA 921031205869062

Common questions

What is Joseph Benjamin Weiss, M.D.'s NPI number?

Joseph Benjamin Weiss, M.D.'s National Provider Identifier (NPI) is 1700979283, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Benjamin Weiss, M.D. located?

The NPPES record lists a practice address at 18422 Calle LA Serra, Rancho Santa Fe, CA, 92091. Phone: (858) 756-9800. Providers update this record themselves, so call before visiting.

How can I verify Joseph Benjamin Weiss, M.D.'s license?

NPPES lists California license number G37436, 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 Joseph Benjamin Weiss, M.D. prescribe under Medicare Part D?

In 2024, Joseph Benjamin Weiss, M.D. had 18 Medicare Part D claims; 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.