John Truong, PHARM.D.
NPI 1164739603 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Whittier, CA
John Truong, PHARM.D. is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Whittier, CA (NPI 1164739603).
Provider details
- NPI number
- 1164739603
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17853 (NV)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-09-03
- Last updated
- 2025-01-02
- Certified
- 2025-01-02
Frequently asked questions
- What is John Truong's NPI number?
- John Truong's National Provider Identifier (NPI) is 1164739603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Truong's specialty?
- John Truong is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is John Truong located?
- John Truong's practice location on file with NPPES is 6557 Greenleaf Ave, Whittier, CA 90601-4108.
- What is John Truong's phone number?
- The practice phone number listed in the NPPES registry for John Truong is (562) 789-5401.
- Is John Truong's NPI active?
- Yes — John Truong's NPI (1164739603) is active in the NPPES registry as of the last update on 2025-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.