William Richard Bailey, D.O.
Specialist · San Diego, CA
William Richard Bailey, D.O. is a specialist with a practice address in San Diego, California, and NPI 1063623486, issued on May 25, 2007. Check the license (California 20A5811, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Richard Bailey
- Credential
- D.O.
- Primary taxonomy
- Specialist 174400000X
- License number
- 20A5811 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4510 Executive Dr. Suite. 170, San Diego, CA 92121
- Phone
- (858) 457-4717
- Enumerated
- May 25, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (858) 457-0470
- Entity
- Type 1 · individual
Verify William Richard Bailey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20A5811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is William Richard Bailey, D.O.'s NPI number?
William Richard Bailey, D.O.'s National Provider Identifier (NPI) is 1063623486, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Richard Bailey, D.O. located?
The NPPES record lists a practice address at 4510 Executive Dr. Suite. 170, San Diego, CA, 92121. Phone: (858) 457-4717. Providers update this record themselves, so call before visiting.
How can I verify William Richard Bailey, D.O.'s license?
NPPES lists California license number 20A5811, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.