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Endocrinologist (diabetes, hormones), Obstetrician & Gynecologist (OB/GYN)
50 years of experience
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. Koyu Katayama:

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Specialties & Research

Dr. Koyu Katayama, MD, PHD is board certified in Reproductive Endocrinology.

  • He has special expertise in 6 areas:
  • Chromosome Disorders
  • Diabetes
  • Female Infertility
  • Ovarian Cancer
  • Uterine Cancer
  • Uterine Cancer (Uterine Cervical Neoplasm)

Education & Awards

Dr. Katayama graduated from University Of Tokyo.


Dr. Katayama has 3 hospital affiliations:

  • Northwest Community Hospital 
  • St. Luke's Medical Center-Milwaukee 
  • Aurora Health Care Metro 


  • Spanish

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Additional Information
Dr. Koyu Paul Katayama MD and PHD is a male Reproductive Endorinologist, has 50 years of experience and practices in Reproductive Endocrinology.
Where does Dr. Koyu P. Katayama practice?
Dr. Koyu Katayama has 4 office locations.
Dr. Koyu Katayama practices Reproductive Endocrinology near Arlington Heights, IL.
Additional practice locations include: Milwaukee, WI.
See Arlington Heights Endocrinologists.