At our family clinic we focus on excellence, integrity, and quality health care!
Your first stop for Health Care

At our clinics we focus on Family Medicine, Internal Medicine, Urgent Care, Women’s Health and Occupational Testing.

First Physicians is a patient-centered medical practice in Odessa, Texas with highly-skilled doctors available to care for you, your family and friends in the areas of urgent care, family medicine, and occupational medicine. First Physicians has 5 convenient locations in Odessa & Midland, Texas to serve a wide variety of patients with multiple medical concerns and conditions. With offices in Wendover, Westview and East University, excellent medical care is close by and accessible, whatever your health needs may be. If you need a medical provider, call First Physicians for an appointment.

Whichever office you choose to visit, each location is led by an expert physician and includes a team of highly-qualified care providers such as certified physician’s assistants and support staff, to offer you competent medical care in a safe and warm environment.

We are a physician-driven, patient-focused multidisciplinary medical group. We Offer Family Medicine, Internal Medicine, Women’s Health, Urgent Care, and Occupational Health Testing from five convenient locations throughout Odessa, TX.

First Physicians’ Patient Portal

We are pleased you have chosen to use First Physicians’ Patient Portal to communicate in a secure and confidential manner with your healthcare team 24/7!

  • Research health topics
  • Request appointments
  • Prescription refills
  • Exchange messages with our practice
  • Access medical forms
  • View lab & test results
  • Pay billing statements
  • Review Personal Health Information


Our Providers

East University Medical Providers

There is one doctor, along with three physician assistants, practicing at East University Medical Clinic. All of the providers specialize in urgent care, family medicine, and occupational medicine. When you need to be seen today for an illness or injury, First Physicians is the place to go. We are a great cost alternative to designated clinics or emergency rooms. We offer same day appointments and accept walk-ins. If you need follow-up care or referral, we can deliver on this need as well.

  • Jay Gibson, PA-C
  • Allie Black, PA-C
  • Chad Adams, PA-C
West University Medical Providers

We have two doctors, Steven Siegler, MD and Darrell S. Parsons, MD ABIM, and two physician assistants at the West University location. Dr. Siegler specializes in family medicine, occupational medicine, and urgent care. He is board certified in family medicine. Dr. Parsons specializes in Internal medicine as well and is board certified.

  • Steven Siegler, MD
  • Darrell S. Parsons, MD ABIM
  • Laura Salcido, PA-C
  • Javier Espinoza, PA-C
Wendover Medical Providers

There are two doctors, Michael Shelton, MD and Barry Willingham, MD, along with three physician assistants. Most of the providers specialize in family medicine, occupational medicine, and urgent care.

  • Michael V. Shelton, MD
  • Barry Willingham, MD
  • Bret Baker, PA-C
  • Ashton Brea Hughes, PA-C
  • Erika Alfaro, PA-C
  • Bailey Slater Ford, PA-C
Occupational Testing Medical Providers

For twenty years, First Physicians has been the leader in occupational medicine in the Permian Basin. We provide care for injuries, including workers compensation, pre-employment, and DOT physicals and testing.

Our partner company, FPOG Occupational Testing, delivers for employers with an extensive menu of services including pre-employment and DOT physicals, fitness for duty testing, silica exams, mask fit testing, drug testing, hearing screening, and much more. Our combined capabilities make First Physicians the one-stop shop in the Permian Basin for pre- or post-employment testing.

Women's Health & Wellness Medical Providers

First Physicians Women’s Health & Wellness is headed by James Van Riper, DO FACOG. Dr. Van Riper is a specialist whose focus includes disease prevention, annual exams, pregnancy, including high-risk pregnancy, gynecology, minimally invasive surgery including da Vinci Robotic Surgery, and the treatment of incontinence.

Dr. Van Riper is joined in the Women’s Health program by four well-trained physician assistants to deliver care across our entire group.

  • James Van Riper, MD
  • Ashton Brea Hughes, PA-C
  • Erika Alfaro, PA-C
  • Bailey Slater-Ford, PA-C

Major Insurance Plans Accepted

At First Physicians, we accept most major insurance plans. Here is a short list of just some of the most popular plans we accept.
Please contact our offices if you do not see your insurance provider listed here.