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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. NATHAN JAMES SIMARRO, D.D.S.

Active Sole Proprietor

DR. NATHAN JAMES SIMARRO, D.D.S. is a Dental Public Health healthcare provider located in ANTIOCH, California. NPI 1144637661 is currently active in the NPPES registry. Verify at CMS.

Dental Public Health · ANTIOCH, CA

Registration Details

NPI Number
1144637661
Provider Type
Individual
Gender
Male
NPI Issued
Jul 16, 2014 (11.898133486493 yrs)
Last Updated
Feb 18, 2026
Licenses
63666 (CA)
63666 (CA)
63666 (CA)
Sole Proprietor
Yes

Practice Information

Address
5201 DEER VALLEY ROAD SUITE #3B
ANTIOCH, CA, 94531
Browse CA providers · Browse ZIP 94531
Phone
9257239090
Primary Specialty
Dental Public Health
1223D0001X
Additional Specialty
Dental Public Health
Additional Specialty
General Dentistry
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.