Steven Olsen, MD
NPI 1457434128 · Family Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Olsen, MD is a Family Medicine Physician provider in Walnut Creek, CA (NPI 1457434128).
Provider details
- NPI number
- 1457434128
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G26828 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2012-03-19
Frequently asked questions
- What is Steven Olsen's NPI number?
- Steven Olsen's National Provider Identifier (NPI) is 1457434128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Olsen's specialty?
- Steven Olsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Olsen located?
- Steven Olsen's practice location on file with NPPES is 723 Walnut Ave, Walnut Creek, CA 94598-3734.
- What is Steven Olsen's phone number?
- The practice phone number listed in the NPPES registry for Steven Olsen is (925) 937-4299.
- Does Steven Olsen accept Medicare?
- Steven Olsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Olsen's NPI active?
- Yes — Steven Olsen's NPI (1457434128) is active in the NPPES registry as of the last update on 2012-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.