Summary

Dr. Timothy Johnston treats antepartum depression, pregnancy, and vaginal bleeding after the first trimester, and performs autism spectrum disorder screening, developmental screening, and fetal ultrasound. He practices family medicine and emergency medicine and has 41 years of experience. Dr. Johnston is affiliated with Mercy Medical Center and Valley Children's Healthcare, both in California, and sees patients in Merced and Madera, CA. He completed his residency at Merced Community Medical Center and earned his medical degree from the University of New Mexico School of Medicine. He speaks Portuguese and Spanish. Patients on Vitals rate Dr. Johnston 4.09 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 41 years of experience
  • speaks Portuguese, Spanish
  • Merced Community Medical Center
  • 5 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 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, MDDr. Lubna Isho, DOHelix Virtual CareSherry Amankwa, MSN, APRN, FNP-C
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.7 
0 
0 
41 Years of Experience 25 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Portuguese, Spanish Speaks Arabic, English, Spanish Speaks English
Merced , CAPomona , CABoca Raton , FLBaltimore , MD
Med School: University Of New Mexico School Of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
Current Profile
View Profile View Profile View Profile

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.
Where is Dr. Timothy Johnston's office located?
Dr. Timothy Johnston's office is located at 3349 G St Ste F, Merced, CA, 95340.
How can I make an appointment with Dr. Timothy Johnston?
You can find contact information for Dr. Timothy Johnston here on Vitals.
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 Portuguese and Spanish.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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