Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Timothy S. Johnston, MD PC

Organization Family Medicine Physician · NPI 1407306665

Timothy S. Johnston, MD PC is a Family Medicine Physician in Merced, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2016
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

3349 G St Ste F
Merced, CA 95340-0993
Phone: (209) 349-8549
Fax: (209) 580-4138
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3170 Collins Dr Ste B, Merced, CA 95348-3164 — (209) 349-8459

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G58698 (CA)

Record details

NPI number1407306665
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Timothy Johnston — Owner/Operator · (209) 756-2275
NPI enumeratedOctober 11, 2016
Last updated in NPPESDecember 9, 2025
Certification dateDecember 9, 2025
Mailing address3349 G St Ste F, Merced, CA 95340-0978

Other providers in Merced