Access Our Patient Portal

Capital Medical Clinic now offers the convenience of a secure EMR portal >

Bone Health

Doctors Accepting New Patients

Doctor Groves, Doctor Vo, and Doctor Maxwell are all currently accepting new patients.

Parking Fee

There is a nominal fee for parking and we do not validate. There are however discounts for those 55+

Consider Afternoon Lab Work

Avoid busy mornings at our lab by coming in the afternoon and fasting during the day >

Physician Assistant Care Available

Capital Medical Clinic also offers midlevel provider care for acute care services. Ask about it today.

Committed to Your Wellness Care

We want you to know that Medicare pays 100% for a yearly wellness visit to identify health risks and help you reduce them >

Download Patient Forms

Save time by downloading patient forms now before your appointment >

A Great Laboratory Team

The Physicians of Capital Medical Clinic would like to recognize the laboratory team for their outstanding performance in achieving the Laboratory Excellence Award from COLA.




Humberto (Sonny) Maldonado Jr., M.D.

  • Undergraduate: University of Texas, Austin
  • Pharmacy School: University of Texas, Austin
Medical School: University of Texas, Southwestern Medical School, Dallas
  • Residency: Baylor University Medical Center, Dallas
Board Certification: Internal Medicine, Pharmacy
  • Board re-certified in Internal Medicine through 12/2018

Professional Memberships:

  • Texas Medical Association
  • Travis County Medical Society
  • American Pharmacy Association
  • Texas Club of Internists


  • Seton Physician Counsel, SPHN
  • Listed Top Doctors 2013 Austin Monthly Magazine

Personal: Married with 2 children. Enjoys the outdoors, travel, classic cars (Corvettes), reading, college and professional sports. Bilingual in English and Spanish.