Timothy C. Chen, PHARMD
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · San Diego, CA
Timothy C. Chen, PHARMD is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in San Diego, California, and NPI 1881781177, issued on Oct 6, 2006. Check the license (California 56354, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy C. Chen
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
- License number
- 56354 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3350 LA Jolla Village Dr, San Diego, CA 92161
- Phone
- (760) 643-4653
- Enumerated
- Oct 6, 2006
- Record last updated
- Jun 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 1,593 in California → Look up another NPI →
Also registered at 3350 LA Jolla Village Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Matthew Allison, MDPublic Health & General Preventive Medicine Physician1700988730
Verify Timothy C. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 56354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average pharmacist clinician (phc)/ clinical pharmacy specialist in 2024
12 Medicare Part D claims, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Timothy C. Chen among 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California
Timothy C. Chen, PHARMD is one of 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in California. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 95% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in California
There are 1,593 pharmacist clinician (phc)/ clinical pharmacy specialist records in California.
All 1,593 in California → Every provider in San Diego → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →
The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes
- Phillip Dell, PHARMDSan Diego, CA 921611386682813
- Melissa Ellis, PHARM.D.San Diego, CA 921611962431866
- Sanaz Farhadian, PHARM.D.San Diego, CA 921611548410889
- Elizabeth Gramer, PHARMDSan Diego, CA 921611275833618
- Jan HirschSan Diego, CA 921611124268495
- Jennifer Howard, PHARM.D.San Diego, CA 921611093754889
- Jiayi Huang, PHARM.D.San Diego, CA 921611518272509
- Ana Maria Mackay, PHARM.D.San Diego, CA 921611881624401
Common questions
What is Timothy C. Chen, PHARMD's NPI number?
Timothy C. Chen, PHARMD's National Provider Identifier (NPI) is 1881781177, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy C. Chen, PHARMD located?
The NPPES record lists a practice address at 3350 LA Jolla Village Dr, San Diego, CA, 92161. Phone: (760) 643-4653. Providers update this record themselves, so call before visiting.
How can I verify Timothy C. Chen, PHARMD's license?
NPPES lists California license number 56354, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy C. Chen, PHARMD prescribe under Medicare Part D?
In 2024, Timothy C. Chen, PHARMD had 12 Medicare Part D claims; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.