NPPES file of Aug 9, 2026

Thomas A. Steinmann, O.D.

Optometrist · Redlands, CA

Thomas A. Steinmann, O.D. is an optometrist with a practice address in Redlands, California, and NPI 1033158878, issued on Jun 6, 2006. Check the license (California OPT12495, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033158878
Name
Thomas A. Steinmann
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT12495 CA
Self-reported in NPPES; status is on the state search
Practice location
PO Box 65, Redlands, CA 92373
Phone
(909) 679-5450
Enumerated
Jun 6, 2006
Record last updated
Feb 10, 2026
Fax
(909) 679-5451
Medicaid ID
SD0124950 CA
Medicare enrollment
Enrolled (PECOS I20031222000530); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 →

Verify Thomas A. Steinmann 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 OPT12495    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
Find the California license search

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2.1 times the Medicare Part D claims of the average optometrist in 2024

575 Medicare Part D claims for 147 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Thomas Steinmann575
  2. Specialty average277

Most prescribed

  1. Latanoprost440 claims
  2. Timolol Maleate26 claims
  3. Erythromycin19 claims
  4. Tobramycin-Dexamethasone16 claims
  5. Dorzolamide-Timolol11 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.

Thomas A. Steinmann among 8,308 optometrist records in California

Thomas A. Steinmann, 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2001 · median 2008 among the 3,573 with a school on file
  • Record last updated2026 · 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.

All 8,308 in California → Every provider in Redlands → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Matthew Diggory, O.D.Redlands, CA 923731255887857
  2. Bruce Greene, O.D.Redlands, CA 923731053436410
  3. Timothy Hammill, ODRedlands, CA 923731457932097
  4. Diana Hanna, ODRedlands, CA 923731073281762
  5. Lewis Kemmerer, ODRedlands, CA 923731942242912
  6. Steven Kleen, O.D.Redlands, CA 923731063497741
  7. Serene Koudsi, ODRedlands, CA 923731750275095
  8. Matthew Moraton, ODRedlands, CA 923731992219133

Common questions

What is Thomas A. Steinmann, O.D.'s NPI number?

Thomas A. Steinmann, O.D.'s National Provider Identifier (NPI) is 1033158878, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas A. Steinmann, O.D. located?

The NPPES record lists a practice address at PO Box 65, Redlands, CA, 92373. Phone: (909) 679-5450. Providers update this record themselves, so call before visiting.

How can I verify Thomas A. Steinmann, O.D.'s license?

NPPES lists California license number OPT12495, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas A. Steinmann, O.D. prescribe under Medicare Part D?

In 2024, Thomas A. Steinmann, O.D. had 575 Medicare Part D claims for 147 beneficiaries; the average among optometrist prescribers was 277. 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.

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.