Mark S Johnson works as a doctor in Downey. Practices under license number 21285, cross-checked against public registries. Prolio refreshes this listing weekly so the public information stays current and you're not reading a page Google forgot about years ago. You can contact Mark S Johnson directly from this page — we don't take a commission, we don't resell the lead, and we don't sit between you and the professional. If you're Mark S Johnson and want to edit this profile yourself, you can claim it for free at the bottom of the page.
Doctor · Downey, CA
Mark S Johnson
Listed as an active doctor in Downey — compiled from public records and refreshed weekly.
Licence no. 21285
Contact revealed on click · No commission · We never resell your data
MS
IndexedPRL-DOWNEY
Active listing
About this listing
This profile was assembled from public business records. It hasn't been claimed by the owner yet, so some details may be incomplete.
What we know
- Primary category
- Doctor
- Area served
- Downey, CA
- Listing source
- Public business records
- Listing status
- Active · unclaimed
- Last refreshed
- Jun 22, 2026
Location
View on Google Maps7340 Florence Ave #117, Downey, CA, 90240, Downey, CA
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