Diane Marie Almanza, O.D.
Optometrist · Brea, CA
Diane Marie Almanza, O.D. is an optometrist with a practice address in Brea, California, and NPI 1790823839, issued on Feb 1, 2007. Check the license (California 12789T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Marie Almanza
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12789T CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Lambert RD Ste A, Brea, CA 92821
- Phone
- (714) 671-2020
- Enumerated
- Feb 1, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 671-0820
- Entity
- Type 1 · individual
Also registered at 400 W Lambert RD Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Matsui, O.D.Optometrist1366502981
Verify Diane Marie Almanza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12789TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average optometrist in 2024
36 Medicare Part D claims for 25 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of 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.
Industry payments in 2024: $491.88
8 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
26 optometrist records list a practice address in Brea
They are 26 of the 1,052 NPPES records with a practice address in Brea, and 8,308 optometrist records in California.
All 26 in Brea → All 8,308 in California → Every provider in Brea →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Diane Marie Almanza, O.D.'s NPI number?
Diane Marie Almanza, O.D.'s National Provider Identifier (NPI) is 1790823839, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane Marie Almanza, O.D. located?
The NPPES record lists a practice address at 400 W Lambert RD Ste A, Brea, CA, 92821. Phone: (714) 671-2020. Providers update this record themselves, so call before visiting.
How can I verify Diane Marie Almanza, O.D.'s license?
NPPES lists California license number 12789T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diane Marie Almanza, O.D. prescribe under Medicare Part D?
In 2024, Diane Marie Almanza, O.D. had 36 Medicare Part D claims for 25 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.
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.