NPPES file of Aug 9, 2026

Kenneth Brian Waltzer, M.D.

Geriatric Medicine (Internal Medicine) Physician · Santa Monica, CA

Kenneth Brian Waltzer, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Santa Monica, California, and NPI 1437424090, issued on Mar 15, 2012. Check the license (California A45950, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437424090
Name
Kenneth Brian Waltzer
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A45950 CA
Self-reported in NPPES; status is on the state search
Practice location
171 Pier Ave # 160, Santa Monica, CA 90405
Phone
(424) 228-2421
Enumerated
Mar 15, 2012
Record last updated
Mar 15, 2012 (not updated in 14 years: call before relying on the address or phone)
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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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Verify Kenneth Brian Waltzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A45950    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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Kenneth Brian Waltzer among 532 geriatric medicine (internal medicine) physician records in California

Kenneth Brian Waltzer, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 21% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2012 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 532 in California → Every provider in Santa Monica → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Edward Hui, MDSanta Monica, CA 904041184657488
  2. Matthew Quan, MDSanta Monica, CA 904041275275133
  3. David Reuben, M.D.Santa Monica, CA 904041427078690
  4. Abriella Demanes, MDTorrance, CA 905021669036695
  5. Mailee Hess, MDTorrance, CA 905021396011565
  6. Christopher Mayorga, DOTorrance, CA 905021003445669
  7. Kushi Mehrotra, MDTorrance, CA 905021679627889
  8. Elaine Deemer, DOTorrance, CA 905051649856162

Common questions

What is Kenneth Brian Waltzer, M.D.'s NPI number?

Kenneth Brian Waltzer, M.D.'s National Provider Identifier (NPI) is 1437424090, issued on Mar 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Brian Waltzer, M.D. located?

The NPPES record lists a practice address at 171 Pier Ave # 160, Santa Monica, CA, 90405. Phone: (424) 228-2421. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Brian Waltzer, M.D.'s license?

NPPES lists California license number A45950, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.