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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).

Patient Reviews

Patient comments (10)

The overall average patient rating of Dr. Hillary Hahm is Excellent. Dr. Hahm has been reviewed by 20 patients who have provided 10 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.2
Courteous Staff 4.8
Accurate Diagnosis 4.9
Bedside Manner 4.6
Spends Time with Me 4.6
Follows Up After Visit 4.5

Specialties & Research

Dr. Hillary Hahm, MD, PHD is board certified in Internal Medicine and Medical Oncology.

  • She has special expertise in 3 areas:
  • Breast Cancer
  • Cancer
  • Metastatic Breast Cancer

Education & Awards

Dr. Hahm graduated from Johns Hopkins University, Baltimore. She has 2 awards.

Patients' Choice Award (2010 - 2012, 2015)
Compassionate Doctor Recognition (2014 - 2015)


Dr. Hahm has 10 hospital affiliations:

  • Wellstar Kennestone Hospital 
  • Northside Hospital 


  • Italian
  • Spanish

> > > > Dr. Hillary Hahm, MD, PHD

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Additional Information
Dr. Hillary A Hahm MD and PHD is a female Internist, has 20 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Hillary A. Hahm practice?
Dr. Hillary Hahm has 1 office location.
Dr. Hillary Hahm practices Internal Medicine and Medical Oncology near Marietta, GA.
See Marietta Internists and Marietta Oncologists.