Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Hiroyuki Oya, MD

Individual provider Neurological Surgery Physician · NPI 1689667701

Hiroyuki Oya, MD is a Neurological Surgery Physician in Iowa City, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 353-8452
Fax: (319) 353-6605
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence SP168 (IA)

Record details

NPI number1689667701
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2005
Last updated in NPPESOctober 6, 2009

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