Registry data as of Aug 27, 2026

Ray Deguia, PHARM.D.

Pharmacist · Livermore, CA

Ray Deguia, PHARM.D. is a pharmacist with a practice address in Livermore, California, and NPI 1659460616, issued on Oct 11, 2006. Check the license (California 57411, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1659460616
Name
Ray Deguia
Credential
PHARM.D.
Primary taxonomy
Pharmacist 183500000X
License number
57411 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pullman St Bldg B, Livermore, CA 94551
Phone
(925) 960-6998
Enumerated
Oct 11, 2006
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 300 Pullman St Bldg B

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

  1. Isabel Barin, LMFT 84775Marriage & Family Therapist1871984864
  2. Elizabeth BelvedereMental Health Counselor1255274551
  3. Jessica Caron, PHARM.D.Pharmacist1508236274
  4. Maria Chan Huynh, LMFT 101597Marriage & Family Therapist1205118387
  5. Beverly Clemons Snowden, LMFTMarriage & Family Therapist1255886867
  6. Henry Huang, PHARMDPharmacist1720691355

Verify Ray Deguia 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 57411
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

66% fewer Medicare Part D claims than the average pharmacist in 2024

43 Medicare Part D claims for 26 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D.

  1. Ray Deguia43
  2. Specialty average127

Most prescribed

  1. Gabapentin12 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.

194 pharmacist records list a Livermore practice address

They are 194 of the 994 NPPES records with a Livermore practice address, and 32,698 pharmacist records in California.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is Ray Deguia, PHARM.D.'s NPI number?

Ray Deguia, PHARM.D.'s National Provider Identifier (NPI) is 1659460616, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ray Deguia, PHARM.D. located?

The NPPES record lists a practice address at 300 Pullman St Bldg B, Livermore, CA, 94551. Phone: (925) 960-6998. Providers update this record themselves, so call before visiting.

How can I verify Ray Deguia, PHARM.D.'s license?

NPPES lists California license number 57411, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ray Deguia, PHARM.D. prescribe under Medicare Part D?

In 2024, Ray Deguia, PHARM.D. had 43 Medicare Part D claims for 26 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.