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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Aaron Hamvas:

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Specialties & Research

Dr. Aaron Hamvas, MD is board certified in Neonatal-Perinatal Medicine.

  • He has special expertise in 1 area:
  • Lung Diseases

Education & Awards

Dr. Hamvas graduated from Washington University at St. Louis, Saint Louis. He has 1 awards.

Castle Connolly America's Top Doctors® (2005 - 2008, 2010 - 2015)


Dr. Hamvas has 3 hospital affiliations:

  • Barnes Jewish Hospital 
  • Missouri Baptist Hospital Sullivan 
  • St. Louis Children's Hospital 

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Additional Information
Dr. Aaron Hamvas MD is a male Neonatologist, has 31 years of experience and practices in Neonatal-Perinatal Medicine.
Where does Dr. Aaron Hamvas practice?
Dr. Aaron Hamvas has 2 office locations.
Dr. Aaron Hamvas practices Neonatal-Perinatal Medicine near Saint Louis, MO.
Additional practice locations include: Chicago, IL.
See Saint Louis Pediatricians.