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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.
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
Compare with Similar Doctors
 |  |  |  |
| Dr. Doris Tiu Tan, DO | Dana Culp, DNP, NP-C, FNP-C | Jennifer Recker, APRN, FNP-BC | Dr. Georgine Nanos, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 39 Years of Experience | 24 Years of Experience | 17 Years of Experience | 24 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English, Spanish | ||
| Merced , CA | TRUCKEE , CA | Chicago , IL | Encinitas , CA |
| Med School: Ohio University College Of Osteopathic Medicine | Med School: George Washington University School Of Medicine & Health Sciences | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Doris Tiu Tan
Medical Specialties
Dr. Doris Tiu Tan has the following 2 specialties
Specialty Expertise
Dr. Doris Tiu Tan has the following 13 areas of expertise
Certifications, License, & Education
39 Years Experience
Dr. Doris Tiu Tan holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from Ohio University College Of Osteopathic Medicine in 1987.
NPI Number
Dr. Tan's NPI number is 1578522462.
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Frequently Asked Questions
- Does Dr. Doris Tiu Tan accept virtual/telehealth appointments?
- Dr. Doris Tiu Tan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Doris Tiu Tan's office located?
- Dr. Doris Tiu Tan's office is located at 333 Mercy Ave, Merced, CA, 95340.
- Which hospitals is Dr. Doris Tiu Tan affiliated with?
- Dr. Doris Tiu Tan is affiliated with Community Regional Medical Center and Mercy Medical Center.
- Does Dr. Doris Tiu Tan accept my insurance?
- You can see the insurance plans that Dr. Doris Tiu Tan accepts on their Vitals profile.
- How can I make an appointment with Dr. Doris Tiu Tan?
- You can find contact information for Dr. Doris Tiu Tan here on Vitals.
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