NPPES file of Aug 9, 2026

Steven M. Kastenbaum, O.D.

Optometrist · Santa Monica, CA

Steven M. Kastenbaum, O.D. is an optometrist with a practice address in Santa Monica, California, and NPI 1336117910, issued on Mar 9, 2006. Check the license (California 5708T, as entered in NPPES) with the California board that licenses this profession; 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
1336117910
Name
Steven M. Kastenbaum
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
5708T CA
Self-reported in NPPES; status is on the state search
Practice location
2901 Wilshire Blvd, Santa Monica, CA 90403
Phone
(310) 315-1936
Enumerated
Mar 9, 2006
Record last updated
Feb 22, 2008 (not updated in 18 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 optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 2901 Wilshire Blvd

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

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  2. Brian Alessini, D.D.S.General Practice Dentistry1992036206
  3. Stephen AsherGeneral Practice Dentistry1184834210
  4. Babak Beigi, D.D.S.General Practice Dentistry1689750655
  5. Brigitta De Czito, DDSDentist1396015822
  6. Frank De Czito, DDSDentist1801080965

Verify Steven M. Kastenbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 5708T    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
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Steven M. Kastenbaum among 8,308 optometrist records in California

Steven M. Kastenbaum, O.D. is one of 8,308 optometrist records with a practice address in California. 67% 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2008 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,308 in California → Every provider in Santa Monica → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Saloumeh Abadi, ODSanta Monica, CA 904031699258756
  2. Bijan Cohenmehr, OD DR OF OPTOMETRYSanta Monica, CA 904031114099512
  3. Donna Cooper, O.D.Santa Monica, CA 904031528321056
  4. Robert Dickey, O.D.Santa Monica, CA 904031659416022
  5. Michael GruningSanta Monica, CA 904031336266865
  6. Amanda Hikin, O.D.Santa Monica, CA 904031457639213
  7. Roya Manavi-Makhani, OPTOMETRISTLos Angeles, CA 904031750431789
  8. Trang Nguyen, O.D.Santa Monica, CA 904031083685390

Common questions

What is Steven M. Kastenbaum, O.D.'s NPI number?

Steven M. Kastenbaum, O.D.'s National Provider Identifier (NPI) is 1336117910, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven M. Kastenbaum, O.D. located?

The NPPES record lists a practice address at 2901 Wilshire Blvd, Santa Monica, CA, 90403. Phone: (310) 315-1936. Providers update this record themselves, so call before visiting.

How can I verify Steven M. Kastenbaum, O.D.'s license?

NPPES lists California license number 5708T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.