NPPES file of Aug 9, 2026

Robin Hoshizaki Borden, PHARM.D.

Ambulatory Care Pharmacist · Downey, CA

Robin Hoshizaki Borden, PHARM.D. is an ambulatory care pharmacist with a practice address in Downey, California, and NPI 1548358310, issued on Oct 10, 2006. Check the license (California RPH40415, 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
1548358310
Name
Robin Hoshizaki Borden
Credential
PHARM.D.
Primary taxonomy
Ambulatory Care Pharmacist 1835P2201X
License number
RPH40415 CA
Self-reported in NPPES; status is on the state search
Practice location
12254 Bellflower Blvd, Downey, CA 90242
Phone
(562) 658-2414
Enumerated
Oct 10, 2006
Record last updated
May 8, 2026
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 12254 Bellflower Blvd

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

  1. Eva Alvarez, L..C.S.W.Mental Health Counselor1194925875
  2. Manuel Ayala, PHARM.D.Pharmacist1366529273
  3. Ross Balucanag, DPTPhysical Therapist1063228591
  4. Mary Bang, PHARM.D., BCOPPharmacist1770747768
  5. Jennifer Baumgardner, LCSWClinical Social Worker1528100112
  6. Gary Besinque, PHARMDPharmacist1396492138

Verify Robin Hoshizaki Borden 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 RPH40415    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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75% fewer Medicare Part D claims than the average ambulatory care pharmacist in 2024

130 Medicare Part D claims for 56 beneficiaries, against an average of 527 among the 449 providers of this specialty who prescribed in Part D.

  1. Robin Borden130
  2. Specialty average527

Most prescribed

  1. Ozempic46 claims
  2. Metformin Hcl Er26 claims
  3. Topiramate15 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.

Ambulatory Care Pharmacist providers in California

There are 485 ambulatory care pharmacist records in California.

All 485 in California → Every provider in Downey →

Other ambulatory care pharmacist records in California

  1. Zohra Abdul, PHARMDRancho Cordova, CA1780507251
  2. Clare AdamsMission Viejo, CA1174995740
  3. Kristine AdzhemyanLos Angeles, CA1306579131
  4. Thuy AgbodikeSacramento, CA1467230748
  5. Omar Ahmed, PHARMDSan Rafael, CA1285254037
  6. Soo Ahn, PHARM.D.Simi Valley, CA1992245971
  7. Genevieve Aichelman, PHARM.D.Lemoore, CA1003273012
  8. Margherita Aikman, PHARMDSacramento, CA1881972669
  9. Anna Akayvan, PHARMACISTChula Vista, CA1053814012
  10. Samer Al Haddadin, PHARMD, J.D.Los Angeles, CA1023392107

Common questions

What is Robin Hoshizaki Borden, PHARM.D.'s NPI number?

Robin Hoshizaki Borden, PHARM.D.'s National Provider Identifier (NPI) is 1548358310, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robin Hoshizaki Borden, PHARM.D. located?

The NPPES record lists a practice address at 12254 Bellflower Blvd, Downey, CA, 90242. Phone: (562) 658-2414. Providers update this record themselves, so call before visiting.

How can I verify Robin Hoshizaki Borden, PHARM.D.'s license?

NPPES lists California license number RPH40415, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robin Hoshizaki Borden, PHARM.D. prescribe under Medicare Part D?

In 2024, Robin Hoshizaki Borden, PHARM.D. had 130 Medicare Part D claims for 56 beneficiaries; the average among ambulatory care pharmacist prescribers was 527. 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.