James Guan
NPI 1952790677 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Rowland Heights, CA
James Guan is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Rowland Heights, CA (NPI 1952790677).
Provider details
- NPI number
- 1952790677
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 72052 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-01-19
- Last updated
- 2015-01-19
Frequently asked questions
- What is James Guan's NPI number?
- James Guan's National Provider Identifier (NPI) is 1952790677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Guan's specialty?
- James Guan is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is James Guan located?
- James Guan's practice location on file with NPPES is 1417 Brea Canyon Cutoff Rd, Rowland Heights, CA 91748-2420.
- What is James Guan's phone number?
- The practice phone number listed in the NPPES registry for James Guan is (626) 823-5796.
- Is James Guan's NPI active?
- Yes — James Guan's NPI (1952790677) is active in the NPPES registry as of the last update on 2015-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.