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

Howard Ken Nakashioya, MD

Individual provider Emergency Medicine Physician · NPI 1144284001

Howard Ken Nakashioya, MD practises Emergency Medicine in Newport Beach, California. Graduated from University of Southern California Keck School of Medicine in 1983, 43 years ago. Practices with Emergency Physicians of Orange County, a 62-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

One Hoag Dr ECU Dept
Newport Beach, CA 92663-4162 Not confirmed with CMS for 14 years — call before visiting
Phone: (949) 764-5689
Fax: (405) 751-3183
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G52805 (CA)

Record details

NPI number1144284001
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2006
Last updated in NPPESSeptember 20, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Emergency Physicians Of Orange County — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Hoag Memorial Hospital Presbyterian Hospital · Newport Beach, CA

Colleagues at Emergency Physicians of Orange County

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 62 clinicians in the practice; 12 are shown here.

Other providers in Newport Beach