Disnay Castrejon, PHARMD
Ambulatory Care Pharmacist · Napa, CA
Disnay Castrejon, PHARMD is an ambulatory care pharmacist with a practice address in Napa, California, and NPI 1548776271, issued on Dec 18, 2017. Check the license (California 77493, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Disnay Castrejon
- Credential
- PHARMD
- Primary taxonomy
- Ambulatory Care Pharmacist 1835P2201X
- License number
- 77493 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1141 Pear Tree LN, Napa, CA 94558
- Phone
- (707) 254-1770
- Enumerated
- Dec 18, 2017
- Record last updated
- Dec 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest ambulatory care pharmacist records → All 485 in California → Look up another NPI →
Also registered at 1141 Pear Tree LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniella Antalek, RNRegistered Nurse1265293385
- Irma Arellano, RDHDental Hygienist1528603610
- Carmen Arroyo, RNRegistered Nurse1700102225
- Ninad Athale, M.D.Family Medicine Physician1619124864
- Mayra Avina, FNPFamily Nurse Practitioner1336597004
- Bibiana Barrera MendezRegistered Nurse1043071178
Verify Disnay Castrejon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 77493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average ambulatory care pharmacist in 2024
2,657 Medicare Part D claims for 359 beneficiaries, against an average of 527 among the 449 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Atorvastatin Calcium345 claims
- Metformin Hcl218 claims
- Metformin Hcl Er189 claims
- Lisinopril172 claims
- Glipizide164 claims
- Jardiance132 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.
Disnay Castrejon among 485 ambulatory care pharmacist records in California
Disnay Castrejon, PHARMD is one of 485 ambulatory care pharmacist records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 33% of them.
- NPI issued2017 · 33% of these records are older, 58% newer
- In a Medicare fileYes · 39% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ambulatory Care Pharmacist providers in California
There are 485 ambulatory care pharmacist records in California.
All 485 in California → Every provider in Napa → Ambulatory Care Pharmacist nationwide →
The 8 ambulatory care pharmacist records with the nearest ZIP codes
- Alicia Yeh, PHARM.D.Napa, CA 945581487007282
- Diane Lee, PHARMDMartinez, CA 945531669595658
- Juliana Wilson, PHARM.D.Martinez, CA 945531376807891
- Judy YooPinole, CA 945641427633684
- Vincent Huie, PHARM DLivermore, CA 945511053776328
- Radha SampleyDublin, CA 945681982213161
- Sudhir Reddy, PHARM DCastro Valley, CA 945461043761877
- Dominic Tran, PHARMDCastro Valley, CA 945461033550470
Common questions
What is Disnay Castrejon, PHARMD's NPI number?
Disnay Castrejon, PHARMD's National Provider Identifier (NPI) is 1548776271, issued on Dec 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Disnay Castrejon, PHARMD located?
The NPPES record lists a practice address at 1141 Pear Tree LN, Napa, CA, 94558. Phone: (707) 254-1770. Providers update this record themselves, so call before visiting.
How can I verify Disnay Castrejon, PHARMD's license?
NPPES lists California license number 77493, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Disnay Castrejon, PHARMD prescribe under Medicare Part D?
In 2024, Disnay Castrejon, PHARMD had 2,657 Medicare Part D claims for 359 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.
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.