Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

BRIAN GREENSPAN RN
NPI 1639022452
Registered Nurse in Portland, OR

Active since February 19, 2026
2620 SE 122ND AVE, PORTLAND, OR 97236(971) 430-4730 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Brian Greenspan Rn NPPES

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

BRIAN GREENSPAN RN (NPI 1639022452) is an individual registered nurse in Portland, Oregon, licensed in Oregon (10048681) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1639022452
Entity TypeIndividual
Primary Taxonomy163W00000X
Provider Legal NameBRIAN GREENSPANCredential: RN
Location Address2620 SE 122ND AVEPortland, OR 97236-3103
Mailing Address2620 Se 122nd AvePortland, OR 97236-3103 · (971) 430-4730
Sole ProprietorYes
Enumeration DateFebruary 19, 2026
Last NPPES UpdateAugust 25, 2026
NPPES CertifiedAugust 25, 2026
✔ NPI 1639022452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in OR · 10048681
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
2620 SE 122ND AVE, Portland, OR 97236

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
2620 SE 122ND AVE
PORTLAND, OR 97236
Clinic/Center (Mental Health (Including Community Mental Health Center))
2620 SE 122ND AVE
PORTLAND, OR 97236

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Greenspan's NPI number?

The NPI number for Brian Greenspan is 1639022452. It was assigned to this individual provider in the NPPES registry on February 19, 2026.

Where is Brian Greenspan located?

Brian Greenspan practices at 2620 SE 122nd Ave, Portland, OR 97236. The listed phone number is (971) 430-4730.

What is Brian Greenspan's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Brian Greenspan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.