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Steven Kiefer, C.O.
NPI 1922239979 · Specialist · Temecula, CA
Steven Kiefer, C.O. is a Specialist provider in Temecula, CA (NPI 1922239979).
Provider details
- NPI number
- 1922239979
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- C.O.
- Sex
- Male
- Sole proprietor
- No
- License
- CO003477
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(85/100 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
41707 Winchester Rd
Suite 102
Temecula, CA 92590-4867
Phone: (951) 296-1894
Fax: (951) 296-1896
Street-level locationGet directions
Mailing address
680 Parkridge Ave
Norco, CA 92860-3124
Registry dates
- Enumerated
- 2009-08-06
- Last updated
- 2009-08-06
Frequently asked questions
- What is Steven Kiefer's NPI number?
- Steven Kiefer's National Provider Identifier (NPI) is 1922239979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Kiefer's specialty?
- Steven Kiefer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Steven Kiefer located?
- Steven Kiefer's practice location on file with NPPES is 41707 Winchester Rd, Temecula, CA 92590-4867.
- What is Steven Kiefer's phone number?
- The practice phone number listed in the NPPES registry for Steven Kiefer is (951) 296-1894.
- Is Steven Kiefer's NPI active?
- Yes — Steven Kiefer's NPI (1922239979) is active in the NPPES registry as of the last update on 2009-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.