William H. Olson, M.D.
Family Medicine Physician · Concord, CA
William H. Olson, M.D. is a family medicine physician with a practice address in Concord, California, and NPI 1518239433, issued on Feb 8, 2012. Check the license (California G37032, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William H. Olson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G37032 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Clayton RD, Concord, CA 94520
- Phone
- (925) 980-1937
- Enumerated
- Feb 8, 2012
- Record last updated
- Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2300 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William H. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William H. Olson among 17,133 family medicine physician records in California
William H. Olson, M.D. 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 not. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 32% newer
- In a Medicare fileNo · 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).
38 family medicine physician records list a practice address in Concord
They are 38 of the 9,328 NPPES records with a practice address in Concord, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Concord → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Susan Adler-Bressler, M.D.Concord, CA 945201588615207
- Olawunmi Beckley, M.D.Concord, CA 945201497789499
- Teresa Brock, M.D.Concord, CA 945201619920444
- Wilbert Charles, MDConcord, CA 945201861487589
- Susanne Duesberg, M.D.Concord, CA 945201770509838
- Detlef Ehling, M.D.Concord, CA 945201154331155
- Thomas Greely, M.D.Concord, CA 945201851336820
- Brian Honbo, M.D.Concord, CA 945201578587721
Common questions
What is William H. Olson, M.D.'s NPI number?
William H. Olson, M.D.'s National Provider Identifier (NPI) is 1518239433, issued on Feb 8, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William H. Olson, M.D. located?
The NPPES record lists a practice address at 2300 Clayton RD, Concord, CA, 94520. Phone: (925) 980-1937. Providers update this record themselves, so call before visiting.
How can I verify William H. Olson, M.D.'s license?
NPPES lists California license number G37032, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.