Joseph Isaiah Willis, M.D.
Diagnostic Radiology Physician · Yorba Linda, CA
Joseph Isaiah Willis, M.D. is a diagnostic radiology physician with a practice address in Yorba Linda, California, and NPI 1710947841, issued on Mar 24, 2006. Check the license (California G32748, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joseph Isaiah Willis
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G32748 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20540 Via Tarara, Yorba Linda, CA 92887
- Phone
- (714) 701-9560
- Enumerated
- Mar 24, 2006
- Record last updated
- Sep 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G327480 CA
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Verify Joseph Isaiah Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joseph Isaiah Willis among 4,500 diagnostic radiology physician records in California
Joseph Isaiah Willis, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2015 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,500 in California → Every provider in Yorba Linda → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- John Dalle, D.O.Corona, CA 928821780684639
- Vananh Nguyen, MDPlacentia, CA 928701447376785
- Vadim Chudnovsky, M.D.Orange, CA 928691922049394
- Yousra AbueleneenOrange, CA 928681265220172
- Michelle BardisOrange, CA 928681730767781
- Michelle Bondero, MDOrange, CA 928681013598705
- Julie Ferris, MDOrange, CA 928681770162349
- Joshua Harris, MDOrange, CA 928681043890676
Common questions
What is Joseph Isaiah Willis, M.D.'s NPI number?
Joseph Isaiah Willis, M.D.'s National Provider Identifier (NPI) is 1710947841, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Isaiah Willis, M.D. located?
The NPPES record lists a practice address at 20540 Via Tarara, Yorba Linda, CA, 92887. Phone: (714) 701-9560. Providers update this record themselves, so call before visiting.
How can I verify Joseph Isaiah Willis, M.D.'s license?
NPPES lists California license number G32748, 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.