Dieter Steimann, O.D.
Optometrist · Yorba Linda, CA
Dieter Steimann, O.D. is an optometrist with a practice address in Yorba Linda, California, and NPI 1538213046, issued on Jan 22, 2007. Check the license (California 6561T, 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
- Dieter Steimann
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 6561T CA
Self-reported in NPPES; status is on the state search - Practice location
- 18282 Imperial Hwy, Yorba Linda, CA 92886
- Phone
- (714) 996-6930
- Enumerated
- Jan 22, 2007
- Record last updated
- Aug 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (714) 996-6971
- Medicare enrollment
- Enrolled (PECOS I20130610000013); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1978
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 18282 Imperial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hans Steimann, O.D.Optometrist1801069505
Verify Dieter Steimann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 6561TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dieter Steimann among 8,308 optometrist records in California
Dieter Steimann, 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 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 fileYes · 43% of these records are
- Graduated1978 · median 2008 among the 3,573 with a school on file
- Record last updated2013 · 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).
17 optometrist records list a practice address in Yorba Linda
They are 17 of the 748 NPPES records with a practice address in Yorba Linda, 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 Yorba Linda → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Charles Bittel, ODYorba Linda, CA 928861023043197
- Stephanie Cheung, O.D.Yorba Linda, CA 928861962872259
- Olivia Honda, ODYorba Linda, CA 928861942854328
- Katherine Kim, O.D.Yorba Linda, CA 928861114033206
- Rachel Kim, ODYorba Linda, CA 928861730708447
- Tamami Kimura, O.D.Yorba Linda, CA 928861659572477
- Lynn Marran, ODYorba Linda, CA 928861902909393
- Tanya NgoYorba Linda, CA 928861073278826
Common questions
What is Dieter Steimann, O.D.'s NPI number?
Dieter Steimann, O.D.'s National Provider Identifier (NPI) is 1538213046, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dieter Steimann, O.D. located?
The NPPES record lists a practice address at 18282 Imperial Hwy, Yorba Linda, CA, 92886. Phone: (714) 996-6930. Providers update this record themselves, so call before visiting.
How can I verify Dieter Steimann, O.D.'s license?
NPPES lists California license number 6561T, 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.