William F. Davis, MD
Specialist · Santa Ana, CA
William F. Davis, MD is a specialist with a practice address in Santa Ana, California, and NPI 1013909225, issued on Aug 16, 2005. Check the license (California G69230, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William F. Davis
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G69230 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2010 E 1St St, Santa Ana, CA 92705
- Phone
- (714) 542-6606
- Enumerated
- Aug 16, 2005
- Record last updated
- Jan 15, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (714) 542-6652
- Medicare enrollment
- Enrolled (PECOS I20080506000181); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2010 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William F. Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G69230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
43 Medicare Part D claims for 12 beneficiaries, against an average of 1,380 among the 8,233 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.
Bills Medicare through one group practice
- Western Medical Center Trauma Group IncSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William F. Davis among 5,749 specialist records in California
William F. Davis, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1989 · median 1989 among the 1,075 with a school on file
- Record last updated2009 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Santa Ana → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Brodsky, MDSanta Ana, CA 927051275538423
- Stephen Cohen, M.D.Santa Ana, CA 927051225031586
- Brian Cross, MDSanta Ana, CA 927051720072002
- Sanjay Deshmukh, M. D.Santa Ana, CA 927051487642377
- Donald Dinwoodie, M.D.Santa Ana, CA 927051114910825
- Bahram Eslami, M.D.Santa Ana, CA 927051033112313
- Mahmoud Eslami Farsani, MDSanta Ana, CA 927051487659637
- Max Gouron, MDSanta Ana, CA 927051891789194
Common questions
What is William F. Davis, MD's NPI number?
William F. Davis, MD's National Provider Identifier (NPI) is 1013909225, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William F. Davis, MD located?
The NPPES record lists a practice address at 2010 E 1St St, Santa Ana, CA, 92705. Phone: (714) 542-6606. Providers update this record themselves, so call before visiting.
How can I verify William F. Davis, MD's license?
NPPES lists California license number G69230, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William F. Davis, MD prescribe under Medicare Part D?
In 2024, William F. Davis, MD had 43 Medicare Part D claims for 12 beneficiaries; the average among specialist prescribers was 1,380. 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.