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.

Overview based on verified provider data

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, DO
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Dr. Doris Tiu Tan, DODr. Parth BhavsarDr. Gretchen Debbie GenatoDr. Joseph Michael Gomes, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
39 Years of Experience 12 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Hindi, Gujarati, Urdu Speaks English Speaks English
Merced , CALawrenceville , GASan Pedro , CAFolsom , CA
Med School: Ohio University College Of Osteopathic Medicine Med School: Smt N H L Municipal Medical College Med School: American University Of The Caribbean School 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

Is Dr. Doris Tan accepting new patients?
Dr. Doris Tan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Doris Tan affiliated with?
Dr. Doris Tan is affiliated with Community Regional Medical Center and Mercy Medical Center.
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.
Where is Dr. Doris Tan's office located?
Dr. Doris Tan's office is located at 333 Mercy Ave, Merced, CA, 95340.

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