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

Dr. Timothy Scott Johnston, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1528097847

Dr. Timothy Scott Johnston, MD is a Family Practice in Merced, California. Graduated from Geisel School of Medicine at Dartmouth in 1985, 41 years ago. Practices with Timothy S Johnston MD PC, a 9-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
41
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3349 G St Ste F
Merced, CA 95340-0978
Phone: (209) 349-8459
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) 233-3840

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G58698 (CA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence G58698 (CA)

Record details

NPI number1528097847
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESAugust 4, 2023
Certification dateAugust 4, 2023
Mailing addressPo Box 2526, Merced, CA 95344-0526

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 1985 (41 years in practice)
Group practice Timothy S Johnston Md Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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