William Ashley, MD
Diagnostic Radiology Physician · Arroyo Grande, CA
William Ashley, MD is a diagnostic radiology physician with a practice address in Arroyo Grande, California, and NPI 1902942543, issued on Jan 30, 2007. Check the license (California G33313, 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 Ashley
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G33313 CA
Self-reported in NPPES; status is on the state search - Practice location
- 345 S Halcyon RD, Arroyo Grande, CA 93420
- Phone
- (805) 473-7676
- Enumerated
- Jan 30, 2007
- Record last updated
- Aug 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 00A386360 CA
- Entity
- Type 1 · individual
Also registered at 345 S Halcyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michele Daniele, RDNRegistered Dietitian1205589322
- Edward Deleonardis, MDDiagnostic Radiology Physician1588700645
- Angel Evans, LICENSE SOCIAL WORKSocial Worker1881257608
- Alexis Haynes, OTD, OTR/LOccupational Therapist1457272049
- Elizabeth Henrichs, OTR/LPhysical Rehabilitation Occupational Therapist1558983510
- Shrederick King, OTR/LOccupational Therapist1417676461
Verify William Ashley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G33313Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5 diagnostic radiology physician records list a practice address in Arroyo Grande
They are 5 of the 462 NPPES records with a practice address in Arroyo Grande, and 4,500 diagnostic radiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Arroyo Grande → All 4,500 in California → Every provider in Arroyo Grande →
Other diagnostic radiology physician records in California
- Jason Aaronson, MDLos Angeles, CA1023145463
- Brianna Abadie, M.D.Van Nuys, CA1861811291
- Kenric Aban, M.D.Oceanside, CA1336218023
- Pablo Abbona, MDLos Angeles, CA1689856239
- Rashed AbdelaalRiverside, CA1518726090
- Ahmed Abdelhalim, MDRiverside, CA1275162927
- Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
- Bennett Abe, MDVisalia, CA1184731283
- Stephen Abedon, M.D.Daly City, CA1689628687
- Richard Abello, M.D.La Jolla, CA1245205996
Common questions
What is William Ashley, MD's NPI number?
William Ashley, MD's National Provider Identifier (NPI) is 1902942543, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Ashley, MD located?
The NPPES record lists a practice address at 345 S Halcyon RD, Arroyo Grande, CA, 93420. Phone: (805) 473-7676. Providers update this record themselves, so call before visiting.
How can I verify William Ashley, MD's license?
NPPES lists California license number G33313, 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.