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

Timothy S. Johnston, MD PC

Organization Otolaryngology Physician · NPI 1972483493

Timothy S. Johnston, MD PC is an Otolaryngology Physician in Merced, California. Registered with an NPI since 2025.

In the registry since
2025
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

410 E Yosemite Ave Ste B
Merced, CA 95340-8220
Phone: (209) 934-8077
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X

Record details

NPI number1972483493
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationTimothy S. Johnston, MD PC
Authorized official Janette Purslow — Credentialing Coordinator · (209) 349-8459
Other names Yosemite Ent
NPI enumeratedSeptember 4, 2025
Last updated in NPPESNovember 3, 2025
Certification dateNovember 3, 2025
Mailing address3349 G St Ste F, Merced, CA 95340-0978

Other providers in Merced