OrganizationActive
John L Silberstein
NPI 1316935364 · Pharmacist · Garden Grove, CA
John L Silberstein is a Pharmacist organization in Garden Grove, CA (NPI 1316935364).
Provider details
- NPI number
- 1316935364
- Entity type
- Organization
- Primary specialty
- PharmacistPharmacy Service Providers
- Organization subpart
- No
- Authorized official
- John Silberstein, Pharmacist - Owner(714) 636-0593
- License
- PHY30791 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Fax: (714) 636-7708
Approximate (ZIP-level) locationGet directions
Mailing address
12555 Garden Grove Blvd
Garden Grove, CA 92843-1902
Other names (DBA / former)
- Other name
- Grove Harbor Med Center Pharmacy
Registry dates
- Enumerated
- 2005-10-12
- Last updated
- 2011-04-28
Frequently asked questions
- What is John L Silberstein's NPI number?
- John L Silberstein's National Provider Identifier (NPI) is 1316935364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John L Silberstein?
- John L Silberstein is classified in the NPPES registry as Pharmacist (Pharmacy Service Providers).
- Where is John L Silberstein located?
- John L Silberstein's practice location on file with NPPES is 12555 Garden Grove Blvd, Garden Grove, CA 92843-1902.
- What is John L Silberstein's phone number?
- The practice phone number listed in the NPPES registry for John L Silberstein is (714) 636-0593.
- Who is the authorized official for John L Silberstein?
- The authorized official listed on John L Silberstein's NPPES record is John Silberstein, Pharmacist - Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John L Silberstein's NPI active?
- Yes — John L Silberstein's NPI (1316935364) is active in the NPPES registry as of the last update on 2011-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.