Declan Gerard Prendergast
Pharmacist · Guerneville, CA
Declan Gerard Prendergast is a pharmacist with a practice address in Guerneville, California, and NPI 1881995041, issued on Nov 4, 2010. Check the license (California 43386, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Declan Gerard Prendergast
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 43386 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16405 River RD., Guerneville, CA 95446
- Phone
- (707) 869-0613
- Enumerated
- Nov 4, 2010
- Record last updated
- Nov 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (707) 869-1945
- Entity
- Type 1 · individual
Verify Declan Gerard Prendergast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 43386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
142 Medicare Part D claims for 126 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 97% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix48 claims
- Arexvy45 claims
- Boostrix Tdap20 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.
4 pharmacist records list a practice address in Guerneville
They are 4 of the 51 NPPES records with a practice address in Guerneville, and 32,533 pharmacist records in California.
All 4 in Guerneville → All 32,533 in California → Every provider in Guerneville →
Other pharmacist records in California
- Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
- Gayatri AachiLivermore, CA1235660754
- Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
- Mahshid Aalam, PHARMDLos Angeles, CA1659086155
- Jaleh AaliiveliSan Ramon, CA1336629963
- Cassi Aarvig, RPHTracy, CA1023679941
- Meara Michi AbadOrange, CA1750181178
- Nader Abadier, RPHFontana, CA1326255647
- Samia Abadier, RPHFontana, CA1548742836
- Sandy Abadir, RPHChino Hills, CA1811644412
Common questions
What is Declan Gerard Prendergast's NPI number?
Declan Gerard Prendergast's National Provider Identifier (NPI) is 1881995041, issued on Nov 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Declan Gerard Prendergast located?
The NPPES record lists a practice address at 16405 River RD., Guerneville, CA, 95446. Phone: (707) 869-0613. Providers update this record themselves, so call before visiting.
How can I verify Declan Gerard Prendergast's license?
NPPES lists California license number 43386, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Declan Gerard Prendergast prescribe under Medicare Part D?
In 2024, Declan Gerard Prendergast had 142 Medicare Part D claims for 126 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.