Summary

Dr. Doris Tan is a family medicine physician and psychiatrist with 39 years of medical experience. She earned her medical degree from Ohio University College of Osteopathic Medicine and has built extensive expertise in treating patients across multiple areas of healthcare. Her dual specialization allows her to provide comprehensive care that addresses both physical health concerns and mental health needs.

Dr. Tan practices at Mercy Medical Center in Merced, California, and maintains affiliations with Community Regional Medical Center and Mercy Medical Center. She specializes in treating substance use disorders, including teen substance use issues and amphetamine addiction. Her practice includes comprehensive drug screening services to support addiction treatment and recovery planning.

AI-generated from data on this provider profile.

Quick Facts

  • 39 years of experience
  • 22 insurance plans accepted
  • Ohio University College Of Osteopathic Medicine
  • 2 specialties
  • 13 areas of expertise
  • 2 hospital affiliations
  • 1 office location
  • Female

Office Location

Mercy Medical Center

333 Mercy AveMerced, CA 95340

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Dr. Doris Tiu Tan, DOReanna Lynn Clayton MSN, FNP-CDr. Georgine Nanos, MDDr. Shakeilla Smithbey, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
39 Years of Experience 24 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Spanish Speaks English
Merced , CATempleton , CAEncinitas , CAHouston , TX
Med School: Ohio University College Of Osteopathic Medicine Med School: George Washington University School Of Medicine & Health Sciences Med School: Howard University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Doris Tiu Tan

  • Aetna
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Brand New Day
  • Central California Alliance for Health - Medicaid (Managed)
  • Golden State Medicare Health Plan
  • Golden State Medicare Health Plan - Medicare
  • Health Net
  • Health Net - HMO
  • Imperial Health Plan of California
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Sierra Health and Life
  • UnitedHealthcare
  • Viva Health Plan

Medical Specialties

Dr. Doris Tiu Tan has the following 2 specialties

Specialty Expertise

Dr. Doris Tiu Tan has the following 13 areas of expertise

  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Mental Illness
  • Mood Disorders
  • Personality Disorder
  • Psychiatry
  • Schizophrenia
  • Sleep Disorders

Certifications, License, & Education

39 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, California, 2026, Expired

EDUCATION & TRAINING

Medical School

Ohio University College Of Osteopathic MedicineGraduated in 1987

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Frequently Asked Questions

Which hospitals is Dr. Doris Tan affiliated with?
Dr. Doris Tan is affiliated with Community Regional Medical Center and Mercy Medical Center.
Where is Dr. Doris Tan's office located?
Dr. Doris Tan's office is located at 333 Mercy Ave, Merced, CA, 95340.
Does Dr. Doris Tan accept my insurance?
You can see the insurance plans that Dr. Doris Tan accepts on their Vitals profile.
Does Dr. Doris Tan accept virtual/telehealth appointments?
Dr. Doris Tan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Doris Tan?
You can find contact information for Dr. Doris Tan here on Vitals.

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