Michael Wayne Maddox, M.D.
Child & Adolescent Psychiatry Physician · Vallecito, CA
Michael Wayne Maddox, M.D. is a child & adolescent psychiatry physician with a practice address in Vallecito, California, and NPI 1528104486, issued on Jan 29, 2007. Check the license (California G75593, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Wayne Maddox
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- G75593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4141 Red Hill RD, Vallecito, CA 95251
- Phone
- (951) 212-2777
- Enumerated
- Jan 29, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (775) 854-6449
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Verify Michael Wayne Maddox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Wayne Maddox among 1,009 child & adolescent psychiatry physician records in California
Michael Wayne Maddox, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% 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 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 41% newer
- In a Medicare fileNo · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,009 in California → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Zershana Khan, MDLodi, CA 952401023674835
- Shree Bhaskar, MDStockton, CA 952101093893802
- Divina Flores, MDStockton, CA 952101609948454
- John Traylor, MDStockton, CA 952101053499889
- Christopher Chee, DOStockton, CA 952071447480173
- James Ruggles, M.D.Stockton, CA 952071245344258
- Lawrence Suess, DOStockton, CA 952041669557286
- Shaukat Ansari, M.D.Stockton, CA 952021821294455
Common questions
What is Michael Wayne Maddox, M.D.'s NPI number?
Michael Wayne Maddox, M.D.'s National Provider Identifier (NPI) is 1528104486, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Wayne Maddox, M.D. located?
The NPPES record lists a practice address at 4141 Red Hill RD, Vallecito, CA, 95251. Phone: (951) 212-2777. Providers update this record themselves, so call before visiting.
How can I verify Michael Wayne Maddox, M.D.'s license?
NPPES lists California license number G75593, 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.