Summary

Dr. Welch graduated from the Western Univ Health Sci College of Osteopathic Medicine of The Pacific in 2003. He works in Rancho Cucamonga, CA and 2 other locations and specializes in Psychiatry and Sleep Medicine. Dr. Welch is affiliated with Troesh Medical Center.

Quick Facts

  • accepting new patients
  • 4.6
  • 23 years of experience
  • speaks English
  • Ucsd Medical Center
  • 1 written review
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Mark A Welch has 3 locations

Aspen Psychological And Psychiatric Services

10737 Laurel St Ste 230Rancho Cucamonga, CA 91730
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

Troesh Medical Center

11234 Anderson StLoma Linda, CA 92350

Loma Linda Pulmonary Department

11370 Anderson St Ste 3200Loma Linda, CA 92354
MonClosed
Tue8:00 am - 5:00 pm
WedClosed
ThuClosed
FriClosed
SatClosed
SunClosed

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Dr. Mark A Welch, DO
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Dr. Mark A Welch, DODr. Karim Lotfy, MDDr. Hani Atallah, MDDr. Truc-Vi Huynh Duong, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
23 Years of Experience 19 Years of Experience 13 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks German, Arabic, English Speaks Arabic, English Speaks English
Rancho Cucamonga , CASan Diego , CASan Diego , CAPasadena , CA
Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: University Of Cairo Med School: Texas Tech University Med School: Oakland University William Beaumount School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mark A Welch

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mark A Welch has the following 2 specialties

Specialty Expertise

Dr. Mark A Welch 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
  • Schizophrenia
  • Sleep Disorders
  • Sleep Medicine

Certifications, License, & Education

23 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, California, 2026, Expired

EDUCATION & TRAINING

Residency

Ucsd Medical Center

Medical School

Western Univ Health Sci College Of Osteopathic Medicine Of The PacificGraduated in 2003

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Frequently Asked Questions

Does Dr. Mark Welch accept virtual/telehealth appointments?
Dr. Mark Welch 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. Mark Welch?
You can find contact information for Dr. Mark Welch here on Vitals.
Is Dr. Mark Welch accepting new patients?
Dr. Mark Welch is accepting new patients on Vitals. View Dr. Mark Welch's profile on Vitals to make an appointment.
What languages does Dr. Mark Welch speak?
Dr. Mark Welch speaks English.
Where is Dr. Mark Welch's office located?
Dr. Mark Welch's office is located at 10737 Laurel St Ste 230, Rancho Cucamonga, CA, 91730.

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