Timothy S. Johnston, MD and Associates in Merced
Pediatrics • Merced, CA • Since 2017
About
Timothy S. Johnston, MD and Associates is a small, privately held medical clinic based in Merced, California. Founded in 2017, it operates four office locations in Merced and specializes in family medicine, pediatrics, breastfeeding basics, and broader medical care services. The practice emphasizes patient-centered, preventive care with a compact team (2 employees) and a locally focused operation. Contact: info@drjandassociates.com; phone numbers 209-349-8459 and 209-580-4138. Website: drjandassociates.com.
Clinic Type
Pediatrics
Address
El Portal Plaza, Merced, CA
Phone
(209) 349-8459
aheyn@drjandassociates.com
Opening Hours
Same day or next day appointments for Acute Care type illnesses on Mondays, Tuesdays and Thursdays
Services Offered
Team
Insurance & Payment
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Languages Spoken
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FAQs
Do you offer same day appointments for Acute Care?
We offer same day or next day appointments for Acute Care type illnesses on Mondays, Tuesdays and Thursdays.
What services do you offer?
We offer a wide variety of services, including Pediatric Clinics, OB Clinics, Internal Medicine, Gerontology, Adult Care, and Family Care.
How can I become a new patient?
Interested in becoming a new patient? Start here.
Where can I download forms?
Fill out these forms and bring them to your next appointment.
How can I contact the clinic with questions?
Have a question? One of our experts will be happy to help you.
Where are the clinics located relative to the hospital?
Just minutes from the hospital. Our clinics are in close proximity to each other, with physician availability to our mid-level practitioners.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- WebMD Care: 4.0 out of 5 (36)
- U.S. News & World Report: 5 out of 5 (60)
- Healthgrades: Not explicitly stated (group practice profile) (51 total reviews for the practice)
Patients praise
- knowledgeable and calm physician
- long-term dedication to family care
- compassionate approach
Common complaints
- long wait times
- rude or negligent office staff
- poor communication and administrative/paperwork errors
- rushed appointments
"Dr. J, deserves six stars minimum. He has been our family Dr. for 35 years. He’s not in this practice for the money. He is one of the last physicians that’s in it to make a difference."
— WebMD Patient Review"Worst care ever! Doctors don’t give you a complete physical, Staff doesn’t care about you. Paperwork is left on someone desk and never faxed... Save yourself time and frustration don’t go here."
— Healthgrades Patient ReviewSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Dr. Theresa A. Schill, MD - Family Medicine Doctor in Merced, CA — May 14, 2026
- Dr. Jasmine A. Shah, MD - Internal Medicine Physician in Merced, CA — May 14, 2026
- Dr. Olanrewaju T. Ishola, MD - Internal Medicine Physician in Merced, CA — May 14, 2026
- John Paik Tesch, MD - CVQCN — Nov 18, 2025
- Patients First Medical Center & Urgent Care - Urgent Care in Merced, CA 95340 | Solv — May 29, 2026
Information sourced from the clinic's website as of July 10, 2026.
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