IndividualActive
John Silberstein, R.PH.
NPI 1689869943 · Pharmacist · Garden Grove, CA
John Silberstein, R.PH. is a Pharmacist provider in Garden Grove, CA (NPI 1689869943).
Provider details
- NPI number
- 1689869943
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- R.PH.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RPH23455 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
12555 Garden Grove Blvd
102
Garden Grove, CA 92843-1902
Phone: (714) 636-0593
Approximate (ZIP-level) locationGet directions
Mailing address
7465 E Hummingbird Cir
Anaheim, CA 92808-1706
Registry dates
- Enumerated
- 2007-09-10
- Last updated
- 2007-09-10
Frequently asked questions
- What is John Silberstein's NPI number?
- John Silberstein's National Provider Identifier (NPI) is 1689869943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Silberstein's specialty?
- John Silberstein is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is John Silberstein located?
- John Silberstein's practice location on file with NPPES is 12555 Garden Grove Blvd, Garden Grove, CA 92843-1902.
- What is John Silberstein's phone number?
- The practice phone number listed in the NPPES registry for John Silberstein is (714) 636-0593.
- Is John Silberstein's NPI active?
- Yes — John Silberstein's NPI (1689869943) is active in the NPPES registry as of the last update on 2007-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.