Robert Kleinberg
Optometrist · Tustin, CA
Robert Kleinberg is an optometrist with a practice address in Tustin, California, and NPI 1598815052, issued on Jan 10, 2007. Check the license (California 9781T, 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.
- Name
- Robert Kleinberg
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9781T CA
Self-reported in NPPES; status is on the state search - Practice location
- 2923 EL Camino Real, Tustin, CA 92782
- Phone
- (714) 731-0215
- Enumerated
- Jan 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 2923 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Tran, O.DOptometrist1093783797
Verify Robert Kleinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9781TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Kleinberg among 8,308 optometrist records in California
Robert Kleinberg 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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).
33 optometrist records list a practice address in Tustin
They are 33 of the 2,221 NPPES records with a practice address in Tustin, and 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 Tustin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Susan Chen, O.D.Tustin, CA 927821427101021
- Lulu Kim, ODTustin, CA 927821194878744
- Megan Lieu, O.D.Tustin, CA 927821851443998
- Negar Mosallanejad, ODTustin, CA 927821598652612
- Amy Ngo, ODTustin, CA 927821952886988
- Ann Nguyen, ODTustin, CA 927821831226497
- Cathy Ong, O.D.Tustin, CA 927821801123518
- Yasmin Pishvaiy, ODTustin, CA 927821972340271
Common questions
What is Robert Kleinberg's NPI number?
Robert Kleinberg's National Provider Identifier (NPI) is 1598815052, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Kleinberg located?
The NPPES record lists a practice address at 2923 EL Camino Real, Tustin, CA, 92782. Phone: (714) 731-0215. Providers update this record themselves, so call before visiting.
How can I verify Robert Kleinberg's license?
NPPES lists California license number 9781T, 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.
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.