IndividualActive
Richard Chak
NPI 1558681718 · Pharmacist · Alhambra, CA
Richard Chak is a Pharmacist provider in Alhambra, CA (NPI 1558681718).
Provider details
- NPI number
- 1558681718
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35258 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
920 E Valley Blvd
Alhambra, CA 91801-5226
Phone: (626) 281-8422
Fax: (626) 281-3848
Street-level locationGet directions
Mailing address
1267 Oakglen Ave
Arcadia, CA 91006-2433
Registry dates
- Enumerated
- 2010-06-09
- Last updated
- 2010-06-09
Frequently asked questions
- What is Richard Chak's NPI number?
- Richard Chak's National Provider Identifier (NPI) is 1558681718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Chak's specialty?
- Richard Chak is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Richard Chak located?
- Richard Chak's practice location on file with NPPES is 920 E Valley Blvd, Alhambra, CA 91801-5226.
- What is Richard Chak's phone number?
- The practice phone number listed in the NPPES registry for Richard Chak is (626) 281-8422.
- Is Richard Chak's NPI active?
- Yes — Richard Chak's NPI (1558681718) is active in the NPPES registry as of the last update on 2010-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.