Thomas O. Johnson
Specialist · San Diego, CA
Thomas O. Johnson is a specialist with a practice address in San Diego, California, and NPI 1558443101, issued on Oct 20, 2006. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas O. Johnson
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 3211 Jefferson St, San Diego, CA 92110
- Phone
- (619) 682-4012
- Enumerated
- Oct 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3211 Jefferson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Issa ArnitaDay Training/Habilitation Specialist1699857375
- Jenelle Callies, BASpecialist1225110877
- Victoria CamposCase Manager/Care Coordinator1346563780
- Christopher CookSpecialist1639214687
- Adell EllisDay Training/Habilitation Specialist1497837108
- Haddush FessehaCase Manager/Care Coordinator1114126141
Verify Thomas O. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Thomas O. Johnson among 5,749 specialist records in California
Thomas O. Johnson 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 not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in San Diego → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jenelle Callies, BASan Diego, CA 921101225110877
- Linda Christensen, PTSan Diego, CA 921101811034028
- Christopher CookSan Diego, CA 921101639214687
- Sylvia DeanSan Diego, CA 921101316093131
- Sheila GilmoreSan Diego, CA 921101366598609
- Mark HopkinsSan Diego, CA 921101306923958
- Evangeline Leon-Torres, MPH, CHESSan Diego, CA 921101982723706
- Rosita LlerenaSan Diego, CA 921101346396157
Common questions
What is Thomas O. Johnson's NPI number?
Thomas O. Johnson's National Provider Identifier (NPI) is 1558443101, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas O. Johnson located?
The NPPES record lists a practice address at 3211 Jefferson St, San Diego, CA, 92110. Phone: (619) 682-4012. Providers update this record themselves, so call before visiting.
How can I verify Thomas O. Johnson's license?
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.