IndividualActive
Stephen Parker, PHARM.D.
NPI 1043389737 · Pharmacotherapy Pharmacist · Fontana, CA
Stephen Parker, PHARM.D. is a Pharmacotherapy Pharmacist provider in Fontana, CA (NPI 1043389737).
Provider details
- NPI number
- 1043389737
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 24563 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-5026
Street-level locationGet directions
Mailing address
Po Box 2858
Fallbrook, CA 92088-2858
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Parker's NPI number?
- Stephen Parker's National Provider Identifier (NPI) is 1043389737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Parker's specialty?
- Stephen Parker is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is Stephen Parker located?
- Stephen Parker's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Stephen Parker's phone number?
- The practice phone number listed in the NPPES registry for Stephen Parker is (909) 427-5026.
- Is Stephen Parker's NPI active?
- Yes — Stephen Parker's NPI (1043389737) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.