Wayne B. Katz, M.D.
Internal Medicine Physician · San Diego, CA
Wayne B. Katz, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1114023900, issued on Sep 16, 2006. Check the license (California G35331, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wayne B. Katz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G35331 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3811 Valley Centre Dr, San Diego, CA 92130
- Phone
- (858) 554-7830
- Enumerated
- Sep 16, 2006
- Record last updated
- Jun 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3811 Valley Centre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Munira AbdiNurse Practitioner1124418793
- Salman Alsaad, MDProcedural Dermatology Physician1205090826
- Jeffrey Applestein, M.D.Internal Medicine Physician1427011212
- Dayna Arnstein Temby, M. D.Internal Medicine Physician1497718324
- Lavannya Atri, MDInternal Medicine Physician1285320754
- Gregory Babikian, M.D.Internal Medicine Physician1497719892
Verify Wayne B. Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G35331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
28 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Wayne B. Katz among 17,696 internal medicine physician records in California
Wayne B. Katz, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Applestein, M.D.San Diego, CA 921301427011212
- Dayna Arnstein Temby, M. D.San Diego, CA 921301497718324
- Gregory Babikian, M.D.San Diego, CA 921301497719892
- Marilyn Carlin, M.D.San Diego, CA 921301124123088
- Scott Carstens, M.D.San Diego, CA 921301073618831
- Ilia Christy, M.D.San Diego, CA 921301043226889
- Julie Chu, M.D.San Diego, CA 921301174532410
- Julie Gollin, M.D.San Diego, CA 921301841253531
Common questions
What is Wayne B. Katz, M.D.'s NPI number?
Wayne B. Katz, M.D.'s National Provider Identifier (NPI) is 1114023900, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wayne B. Katz, M.D. located?
The NPPES record lists a practice address at 3811 Valley Centre Dr, San Diego, CA, 92130. Phone: (858) 554-7830. Providers update this record themselves, so call before visiting.
How can I verify Wayne B. Katz, M.D.'s license?
NPPES lists California license number G35331, 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 Wayne B. Katz, M.D. prescribe under Medicare Part D?
In 2024, Wayne B. Katz, M.D. had 28 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.