About

Dr. Postma is the Chief of Sports Medicine at MedStar Georgetown University Hospital Department of Orthopedic Surgery. His areas of specialty include arthroscopy of the knee, hip, and shoulder with an emphasis on ACL and knee ligamentous reconstruction, hip arthroscopy and labral repair procedures, Femoroacetabular Impingement (FAI), and rotator cuff tears.

Dr. Postma serves as the Team Physician for Georgetown University Athletic Department and as such treats a variety of athletes from high school to the professional level. He additionally is heavily integrated with the Medstar Georgetown Orthopaedic Surgery Residency program and is the Vice Chairman of Education. He is also involved in the Georgetown University School of Medicine where he serves as the Clerkship Director of Surgical Subspecialties and the Clerkship Director of Orthopaedic Surgery.

Dr. William Postma is an empathetic and dedicated Orthopedic Surgeon and Sports Medicine specialist serving the Washington, DC metropolitan area. Dr. Postma is an alumnus of the Medical University of South Carolina where he earned his medical degree. He completed his internship and residency in Orthopedic Surgery at MedStar Georgetown University Hospital. He, then completed his Fellowship in Orthopaedic Surgery Sports Medicine at the University of Pittsburgh Medical Center (UPMC).

Dr. Postma is fluent in English and Spanish. He conducts his appointments with the personalized care and attention that he would expect for his own family.

Credentials

Board Certification
  • American Board of Orthopaedic Surgery, Orthopaedic Surgery
Education
  • Medical School: Medical University of South Carolina
  • Residency Program: MedStar Georgetown University Hospital
  • Fellowship Program: University of Pittsburgh Medical Center

Videos

ACL Repair or Reconstruction? Dominic Nwanji’s Story
Knee, Hip and Shoulder Surgery - Ask Dr Postma

Insurance

  • AETNA - Aetna Innovations: HMO & EPO Plus
  • CIGNA HEALTH CARE - Choice Fund PPO
  • AETNA - Open POS II
  • AETNA - Open EPO Plus
  • CIGNA HEALTH CARE - POS OA & OA Plus
  • UNITED HEALTHCARE - United Healthcare Compass (HMO)
  • AETNA - Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus
  • AETNA - Aetna Quality Point of Service (POS)
  • AETNA - Aetna USAccess (POS)
  • AETNA - Innovation Health: Open Network Only Plus
  • AETNA - Innovation Health: POS Plus
  • AETNA - Aetna Student Health Insurance
  • AETNA - Innovation Health: PPO
  • AETNA - Innovation Health: Indemnity
  • AETNA - Aetna Medicare Advantage HMO & PPO Plans
  • CAREFIRST - CFBCBS BlueChoice HMO
  • CAREFIRST - CFBCBS Blue Choice Opt Out Plus Open Access (POS)
  • CAREFIRST - CFBCBS Maryland Point of Service Plan (MPOS)
  • CAREFIRST - CFBCBS Federal Employee Program (Std. & Basic PPO)
  • CAREFIRST - HealthyBlue PPO
  • CAREFIRST - CFBCBS Maryland Indemnity or PPO
  • CAREFIRST - CFBCBS (NCA) Indemnity
  • CIGNA HEALTH CARE - CIGNA HMO & Network (HMO)
  • CIGNA HEALTH CARE - CIGNA POS/Network POS
  • CIGNA HEALTH CARE - Great-West Healthcare POS/CIGNA
  • CIGNA HEALTH CARE - CIGNA Indemnity
  • COVENTRY HEALTH NETWORK - Coventry Health Care of Virginia
  • COVENTRY HEALTH NETWORK - Coventry of Delaware HMO/PPO
  • COVENTRY HEALTH NETWORK - First Health PPO
  • FIRST HEALTH (NOW COVENTRY) - FIRST HEALTH
  • TRICARE - Tricare Prime
  • TRICARE - Tricare Standard
  • TRICARE - Tricare Extra (Indemnity)
  • TRICARE - Tricare for Life (Medicare Supplemental Plan)
  • MEDSTAR FAMILY CHOICE - MedStar Family Choice - Maryland Health Choice
  • MEDSTAR SELECT - MedStar Select (MedStar Associates' Plan)
  • MEDSTAR MEDICARE CHOICE - MedStar Medicare Choice
  • UNITED HEALTHCARE - United Healthcare Core Essential (HMO)
  • UNITED HEALTHCARE - United Healthcare Select HMO - EPO/NPP
  • UNITED HEALTHCARE - United Healthcare Select Plus (POS)
  • UNITED HEALTHCARE - United Healthcare Choice Plus
  • UNITED HEALTHCARE - United Student Resources
  • UNITED HEALTHCARE - M.D. IPA (HMO)
  • UNITED HEALTHCARE - M.D. IPA Preferred (POS)
  • UNITED HEALTHCARE - Optimum Choice Preferred (POS) & OCI Direct (HMO)
  • UNITED HEALTHCARE - Mamsi Life & Health (Indem./PPO)
  • AETNA - Aetna Worker's Compensation Network
  • COVENTRY HEALTH NETWORK - Coventry Health Care National Network PPO
  • CAREFIRST - Blue Choice Advantage & Healthy Blue (HMO, POS)
  • PRIVATE HEALTHCARE SYSTEMS, INC. (PHCS) - Private Health Care Systems (PHCS) (PPO)
  • UNITED HEALTHCARE - United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)
  • UNITED HEALTHCARE - OneNet PPO, Inc.