Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pediatric Medicine

Erika Phelps Nishiguchi, MD

Sees patients in Portland, OR · Honolulu, HI · Oregon, Hawaii

Summary

Dr. Erika Phelps Nishiguchi, MD is a pediatrician at 1400 SW 5th Ave, Fl 5, Portland, OR 97201. May accept Medicare assignment. NPI 1679968242. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Pediatrician (Medicare lists Pediatric Medicine)
  • Address: 1400 SW 5th Ave, Fl 5, Portland, OR 97201 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: Michigan State University College Of Human Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erika Phelps Nishiguchi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Erika Phelps Nishiguchi accept Medicare assignment?
Medicare's clinician data says Erika Phelps Nishiguchi may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Erika Phelps Nishiguchi's NPI number?
1679968242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Erika Phelps Nishiguchi is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1400 SW 5th Ave, Fl 5Portland, OR 97201
  • 581 Kamoku St, Apt 3802Honolulu, HI 96826

Specialties

Find other Pediatric Medicine doctors in Oregon →

Other pediatricians in Portland

Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.

All pediatricians in Portland →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1679968242
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians