NPPES file of Aug 9, 2026

April Elizabeth-Jennifer Warren, O.D.

Optometrist · Long Beach, CA

April Elizabeth-Jennifer Warren, O.D. is an optometrist with a practice address in Long Beach, California, and NPI 1487806857, issued on Oct 16, 2008. Check the license (California 13508T, 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
1487806857
Name
April Elizabeth-Jennifer Warren
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13508T CA
Self-reported in NPPES; status is on the state search
Practice location
2280 E Carson St, Long Beach, CA 90807
Phone
(562) 422-2020
Enumerated
Oct 16, 2008
Record last updated
Jul 28, 2016 (not updated in 10 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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Also registered at 2280 E Carson St

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

  1. Alan Goldstone, O.D.Optometrist1649381641
  2. Harvey Goldstone, O.D.Optometrist1912018995
  3. Honey Hashemian, O.D.Optometrist1366799538
  4. Lauren Soohoo, ODOptometrist1356950216
  5. Angie Trieu, ODOptometrist1851821888
  6. Justin Wong, O.D.Optometrist1699030940

Verify April Elizabeth-Jennifer Warren 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 13508T    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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96% fewer Medicare Part D claims than the average optometrist in 2024

12 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. April Warren12
  2. Specialty average277

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.

Optometrist providers in California

There are 8,308 optometrist records in California.

All 8,308 in California → Every provider in Long Beach →

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is April Elizabeth-Jennifer Warren, O.D.'s NPI number?

April Elizabeth-Jennifer Warren, O.D.'s National Provider Identifier (NPI) is 1487806857, issued on Oct 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is April Elizabeth-Jennifer Warren, O.D. located?

The NPPES record lists a practice address at 2280 E Carson St, Long Beach, CA, 90807. Phone: (562) 422-2020. Providers update this record themselves, so call before visiting.

How can I verify April Elizabeth-Jennifer Warren, O.D.'s license?

NPPES lists California license number 13508T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does April Elizabeth-Jennifer Warren, O.D. prescribe under Medicare Part D?

In 2024, April Elizabeth-Jennifer Warren, O.D. had 12 Medicare Part D claims; 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.