Steven Duane Olsen, MD
Family Medicine Physician · Walnut Creek, CA
Steven Duane Olsen, MD is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1457434128, issued on Oct 24, 2006. Check the license (California G26828, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Duane Olsen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G26828 CA
Self-reported in NPPES; status is on the state search - Practice location
- 723 Walnut Ave, Walnut Creek, CA 94598
- Phone
- (925) 937-4299
- Enumerated
- Oct 24, 2006
- Record last updated
- Mar 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 937-4299
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Steven Duane Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G26828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
13 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Steven Duane Olsen among 17,133 family medicine physician records in California
Steven Duane Olsen, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 family medicine physician records list a practice address in Walnut Creek
They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Walnut Creek → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Taejoon Ahn, M.D.Walnut Creek, CA 945981639198757
- Leatrice Chang, MDWalnut Creek, CA 945981700822053
- John Crockett, M.D.Walnut Creek, CA 945981134221021
- Dennis Fong, M.D.Walnut Creek, CA 945981356364871
- Paul Kim, M.D.Walnut Creek, CA 945981609831163
- Pavani Kuruma, MDWalnut Creek, CA 945981285601310
- Franklin Long, MD MPHTMWalnut Creek, CA 945981194744045
- Timmothy Merrigan, M.D.Walnut Creek, CA 945981063442945
Common questions
What is Steven Duane Olsen, MD's NPI number?
Steven Duane Olsen, MD's National Provider Identifier (NPI) is 1457434128, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Duane Olsen, MD located?
The NPPES record lists a practice address at 723 Walnut Ave, Walnut Creek, CA, 94598. Phone: (925) 937-4299. Providers update this record themselves, so call before visiting.
How can I verify Steven Duane Olsen, MD's license?
NPPES lists California license number G26828, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Duane Olsen, MD prescribe under Medicare Part D?
In 2024, Steven Duane Olsen, MD had 13 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.