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TIMOTHY S. JOHNSTON, M.D. PC
NPI 1407306665
Family Medicine in Merced, CA

Active since October 11, 2016
3349 G ST, SUITE F, MERCED, CA 95340(209) 349-8549(209) 580-4138 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 9, 2025, Apr 27, 2022, Mar 22, 2017 and 1 more (4 updates tracked since 2016).

About Timothy S. Johnston, M.d. Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY S. JOHNSTON, M.D. PC (NPI 1407306665) is a healthcare organization registered as a family medicine in Merced, California and active in the NPI registry since October 2016. The organization maintains a secondary practice location in Merced and lists Timothy Scott Johnston, Owner/operator, as its authorized official.

NPPES Registry Identity

NPI1407306665
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameTIMOTHY S. JOHNSTON, M.D. PC
Location Address3349 G ST, SUITE FMerced, CA 95340-0993
Mailing Address3349 G St Ste FMerced, CA 95340-0978 · (209) 349-8549 · Fax (209) 580-4138
Phone(209) 349-8549
Fax(209) 580-4138
Organization SubpartNo
Authorized OfficialTimothy Scott JohnstonOwner/operator · (209) 756-2275
Enumeration DateOctober 11, 2016
Last NPPES UpdateDecember 9, 20254 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
✔ NPI 1407306665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G58698
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3349 G ST, Merced, CA 95340
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Secondary Practice Location 1

Location 13170 Collins Dr Ste BMerced, CA 95348-3164 · Phone (209) 349-8459 · Fax (209) 354-4607

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LYNDA SCALES FNP
Nurse Practitioner (Family)
3349 G ST, STE F
MERCED, CA 95340
Merced County (209) 349-8459
MERCED COMMUNITY PHARMACY
Pharmacy
3349 G ST, STE D
MERCED, CA 95340
Merced County (209) 722-1222
DR. KENNETH JAMES GARVEY D.C.
Chiropractor
3349 G ST, SUITE B
MERCED, CA 95340
Merced County (209) 726-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy S. Johnston, M.D. PC's NPI number?

The NPI number for Timothy S. Johnston, M.D. PC is 1407306665. It was assigned to this organization in the NPPES registry on October 11, 2016.

Where is Timothy S. Johnston, M.D. PC located?

Timothy S. Johnston, M.D. PC is located at 3349 G St Suite F, Merced, CA 95340. The listed phone number is (209) 349-8549.

What is Timothy S. Johnston, M.D. PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Timothy S. Johnston, M.D. PC was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.