Summary

Dr. Timothy Johnston specializes in family medicine and emergency medicine, bringing four decades of medical expertise to his practice. He earned his medical degree from the University of New Mexico School of Medicine and completed his residency at Merced Community Medical Center. With 41 years of experience serving patients, Dr. Johnston is fluent in Spanish and Portuguese.

Dr. Johnston maintains affiliations with Mercy Medical Center and Valley Children's Healthcare, with practice locations throughout Merced and Madera, California. He treats conditions such as depression during pregnancy and weight management concerns. His services include physical therapy coordination and developmental screenings for children, including autism spectrum evaluations. Patients have given Dr. Johnston an average rating of 4.1 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 41 years of experience
  • speaks Spanish, Portuguese
  • Merced Community Medical Center
  • 5 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Timothy Scott Johnston has 5 locations

Timothy S Johnston Md Pc

3349 G St Ste FMerced, CA 95340
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Mercy Medical Center

333 Mercy AveMerced, CA 95340

Timothy S Johnston Md And Associates

3170 Collins Dr Ste BMerced, CA 95348
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Valley Childrens Healthcare

9300 Valley Childrens PlMadera, CA 93636

Timothy S Johnston Md And Associates

410 E Yosemite Ave Ste BMerced, CA 95340
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Timothy Scott Johnston, MDDana Culp, DNP, NP-C, FNP-CDr. James L. Pearson, MDReanna Lynn Clayton MSN, FNP-C
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
41 Years of Experience 24 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, Portuguese Speaks English Speaks English
Merced , CATRUCKEE , CASeal Beach , CATempleton , CA
Med School: University Of New Mexico School Of Medicine Med School: St Georges University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Timothy Scott Johnston

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Timothy Scott Johnston has the following 2 specialties

Specialty Expertise

Dr. Timothy Scott Johnston has the following 8 areas of expertise

  • Check-up
  • Contraception
  • Emergency Medicine
  • Family Planning
  • Immunization
  • Influenza
  • Osteoporosis
  • Weight Loss

Certifications, License, & Education

41 Years Experience

Dr. Timothy Scott Johnston holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Merced Community Medical Center.

Medical School

Graduated from University Of New Mexico School Of Medicine in 1985.

NPI Number

Dr. Johnston's NPI number is 1528097847.

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Frequently Asked Questions

Is Dr. Timothy Johnston accepting new patients?
Dr. Timothy Johnston is accepting new patients on Vitals. View Dr. Timothy Johnston's profile on Vitals to make an appointment.
Does Dr. Timothy Johnston accept my insurance?
You can see the insurance plans that Dr. Timothy Johnston accepts on their Vitals profile.
What languages does Dr. Timothy Johnston speak?
Dr. Timothy Johnston speaks Spanish and Portuguese.
Where is Dr. Timothy Johnston's office located?
Dr. Timothy Johnston's office is located at 3349 G St Ste F, Merced, CA, 95340.
Which hospitals is Dr. Timothy Johnston affiliated with?
Dr. Timothy Johnston is affiliated with Mercy Medical Center and Valley Childrens Healthcare.

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