Dr. Guy Howard Grayson MD Pediatric Hematologist-Oncologist

Dr. Guy Grayson is a pediatric hematologist-oncologist in Harlingen, Texas. He received his medical degree from Keck School of Medicine of USC and has been in practice for 29 years.

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Office Location

See Contact Information

Specialty & Clinical Interests

Pediatric Hematologist-Oncologist: General Pediatric Hematology & Oncology

Education & Medical Training

University of California at Irvine
Residency, Pediatrics, 1985 - 1986

UCLA Medical Center
Fellowship, Pediatric Hematology/Oncology, 1988 - 1991

Keck School of Medicine of USC
Class of 1985

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Internal Medicine
Certified in Internal Medicine

WI State Medical License
Active through 2013

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • AmeriHealth Direct POS
  • Amerihealth HMO
  • AmeriHealth PPO
  • BCBS Blue Card PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • GHI PPO
  • Great West PPO
  • HIP of New York - Select PPO
  • Horizon BCBS Direct Access
  • Horizon BCBS HMO
  • Horizon BCBS POS
  • Horizon BCBS PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • QualCare HMO
  • QualCare PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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