NPPES file of Aug 9, 2026

Cynthia Ann Keith, PHARM.D

Pharmacist · Rio Vista, CA

Cynthia Ann Keith, PHARM.D is a pharmacist with a practice address in Rio Vista, California, and NPI 1598277923, issued on Oct 25, 2017. Check the license (California RPH39433, 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
1598277923
Name
Cynthia Ann Keith
Credential
PHARM.D
Primary taxonomy
Pharmacist 183500000X
License number
RPH39433 CA
Self-reported in NPPES; status is on the state search
Practice location
407 Main St, Rio Vista, CA 94571
Phone
(707) 374-5135
Enumerated
Oct 25, 2017
Record last updated
Oct 25, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(707) 374-5408
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 407 Main St

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

  1. Michael FasholaPharmacist1295569010

Verify Cynthia Ann Keith 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 RPH39433
    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
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90% fewer Medicare Part D claims than the average pharmacist in 2024

12 Medicare Part D claims for 11 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Cynthia Keith12
  2. Specialty average119

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.

3 pharmacist records list a practice address in Rio Vista

They are 3 of the 46 NPPES records with a practice address in Rio Vista, and 32,533 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 Cynthia Ann Keith, PHARM.D's NPI number?

Cynthia Ann Keith, PHARM.D's National Provider Identifier (NPI) is 1598277923, issued on Oct 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Ann Keith, PHARM.D located?

The NPPES record lists a practice address at 407 Main St, Rio Vista, CA, 94571. Phone: (707) 374-5135. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Ann Keith, PHARM.D's license?

NPPES lists California license number RPH39433, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cynthia Ann Keith, PHARM.D prescribe under Medicare Part D?

In 2024, Cynthia Ann Keith, PHARM.D had 12 Medicare Part D claims for 11 beneficiaries; the average among pharmacist prescribers was 119. 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.