Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DUNCAN REESE NEILSON JR. MD
NPI 1386607414
Obstetrics & Gynecology in Portland, OR

Q: What is the provider's specialty?

The provider's specialty is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since April 10, 2006

300 N GRAHAM ST, STE 100 MEDICAL PLAZA BLDG LEGACY EMANUEL HOSPITAL, PORTLAND, OR 97227(503) 413-3622(503) 413-4238 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Duncan Reese Neilson Jr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DUNCAN REESE NEILSON JR. MD (NPI 1386607414) is an individual obstetrics & gynecology provider in Portland, Oregon, licensed in Oregon (MD08860) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1386607414

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDUNCAN REESE NEILSON JR.Credential: MD

Location Address300 N GRAHAM ST, STE 100 MEDICAL PLAZA BLDG LEGACY EMANUEL HOSPITALPortland, OR 97227-1683

Mailing Address300 N Graham St, Ste 100 Medical Plaza Bldg Legacy Emanuel HospitalPortland, OR 97227 · (503) 413-3622 · Fax (503) 413-4238

Phone(503) 413-3622

Fax(503) 413-4238

Sole ProprietorNo

Enumeration DateApril 10, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1386607414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in OR · MD08860✔ Licensed in WA · MD00045703

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

300 N GRAHAM ST, Portland, OR 97227

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