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Five Convenient Locations to Serve You:

Upland Clinic
350 S. Euclid Ave. unit C
Upland, CA 91786
Colton Clinic
1850 E Washington St.
Colton, CA 92324
Rancho Clinic
10841 White Oak Ave #100
Rancho Cucamonga, CA 91730
Bernardino Clinic
1823 Commerce Center West Ste. B
San Bernardino, CA 92404
Beaumont Clinic
851 E 6th St
Beaumont, CA 92223
Our Physicians
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IPM Blog

Our Practice consist of multiple experienced Pain Specialist which all are Fellowship trained Anesthesiologist with Sub Specialty Certification in Pain Management.  Many of our Pain Specialists hold an Academic Appointment with Loma Linda University Medical Center.  Experience leads to better decisions, better outcomes and less complications.

  • Andrew W. Hesseltine MD is the founder and Medical director of Inland Pain Medicine, He established his practice in 2002 which is now one of the most reputable Pain Clinic Practices in our area today. Dr Hesseltine graduated from Loma Linda University Medical School where he completed his residency in Anesthesiology and fellowship training in Pain Management. In addition, he is an Assistant Professor at Loma Linda University department of Anesthesiology. Dr. Hesseltine is recognized across the country as a speaker and educator for Medtronic Neurological.

  • Rebecca J. Patchin MD is a well recognized physician across the country. She is Board Certified in both Anesthesiology and Pain Management. She served on the AMA for 8 years and is currently Secretary of The Join Commission. In addition, Dr. Patchin is an Assistant Professor of Anesthesiology at Loma Linda University School of Medicine and is also Director of Nocal Mutual Insurance Company.

  • Lowell W. Reynolds MD is professor of Anesthesiology at Loma Linda University School of Medicine. In addition, he is also Director of Acute Pain Management for the Department of Anesthesiology at Loma Linda University Medical Center. He has done many publications and research in Acute and Chronic Pain Management. Dr. Reynolds is Board Certified in both Anesthesiology and Pain Management for over 15 years.

  • John S. Cho MD is a graduate from Loma Linda University School of Medicine.  He completed residency in Anesthesiology and fellowship in Pain Management.  Dr. Cho has been practicing as a Pain Management specialist serving the Inland Empire since 2002.

  • Baher N. Boctor MD is Assistant Professor of Anesthesiology at Loma Linda University Medical Center. He pursued his medical school education at the University of California, San Diego (UCSD) in La Jolla, CA. Subsequently, Dr. Boctor completed a residency in Anesthesiology at Loma Linda University Medical Center followed by a fellowship in Interventional Chronic Pain Medicine from Loma Linda University as well.


  • Alexandria I. Arias MS PA-C, joined Inland Pain Medicine in January, 2010.  She graduated from the University of California, Riverside with a Bachelor of Arts degree in Liberal Studies, concentrations in Spanish, English, and History.  She earned her Masters of Medical Science degree and Physician Assistant Studies degree from Alderson Broadus College in West Virginia.  Alexandria is National Commission on Certification of Physician Assistants (NCCPA) board certified; she holds memberships in the American Academy of Physician Assistants (AAPA) and California Association of Physician Assistants (CAPA).

    Alexandria and her husband recently celebrated the birth of their first child.  Together they enjoy spending time with family, entertaining at home and  traveling.  Her special interest is in physical fitness and nutrition; she is pleased to share this information with her patients.

  • Eunhwa K. Lee RN FNP received her Bachelor's degree in nursing at California State University. She obtained her Master's degree in Nursing with Sonoma State University. With experienced in Family Practice, OB/GYN, Internal Medicine, Sports Medicine and Pain Medicine, she has been providing healthcare services for over 15 years. Eunhwa has over 8 years of experience of Critical and Acute Care. For the pass 6 years has been specializing in Pain Management and has join our team of Specialist at Inland Pain Medicine to focus on Acute and Chronic Pain.


Patients enjoy quaint accommodation, the very best of technology support, and warm and friendly service.  Our goal is to provide a caring environment and a comfortable experience that promotes fast return to normality in your everyday life.  Every patient is cared for as an individual and is treated with compassion and kindness.  We act with honesty, integrity and fairness in treating patients.

We are fortunate to have a team of staff who are highly trained.  Our medical team works together to ensure that your stay is as comfortable as possible.  In addition, Inland Pain Medicine has the skills and support of several doctors and physician assistants covering each 24hr period.

Our team of physicians and medical professionals are capable of dealing with a wide range of complex medical and pain problems and multiple disorders.  Our Medical, Interventional Precedure, and Outpatient Procedures Services are supported by the Redlands Community Hospital, Inland Surgery Center, Rancho Specialty Hospital combining the highest quality of care with 24/7 access to Pain Care specialists and support services.

  DISCLAIMER :   Information, attached documents, and referring links provided on this website are general in content and should not be seen as substitute for professional medical advice.  Q uestions or concerns over any medical conditions should be discussed with your Primary Care Provider or Pain Care Specialist.

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