DR. RONN JEFFRY NELSON II PSYD
NPI 1134370265
Psychologist - Clinical in Portland, OR

Q: What is Ronn Nelson's NPI number?

The NPI number for Ronn Nelson is 1134370265. It was assigned to this individual provider in the NPPES registry on October 7, 2008.

Q: What is Ronn Nelson's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Ronn Nelson was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.

Active since October 07, 2008

5441 S MACADAM AVE STE N, PORTLAND, OR 97239(503) 512-0015 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Ronn Jeffry Nelson Ii Psyd NPPES

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

DR. RONN JEFFRY NELSON II PSYD (NPI 1134370265) is an individual clinical provider in Portland, Oregon, licensed in Oregon (2041) and active in the NPI registry since October 2008.

NPPES Registry Identity

NPI1134370265

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. RONN JEFFRY NELSON IICredential: PSYD

Location Address5441 S MACADAM AVE STE NPortland, OR 97239-6106

Mailing Address5441 S Macadam Ave Ste NPortland, OR 97239-6106 · (503) 512-0015

Phone(503) 512-0015

Sole ProprietorYes

Enumeration DateOctober 7, 2008

Last NPPES UpdateOctober 13, 2025

NPPES CertifiedOctober 13, 2025

✔ NPI 1134370265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in OR · 2041

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

5441 S MACADAM AVE STE N, Portland, OR 97239

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Other Providers at the Same Location NPPES 20

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

APRIL CHAREE JACKSON LCSW

Social Worker (Clinical)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (503) 389-6928

RACHEL ELIZABETH SELTZER SONNE MD MPH

Preventive Medicine (Public Health & General Preventive Medicine)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (503) 810-0416

JEREMY RUSSELL JOHNSON LPCA

Counselor (Mental Health)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (909) 360-9341

BLACK SWAN HEALING LLC

Counselor (Mental Health)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (971) 268-7462

CORVALLIS PSYCHIATRY LLC

Psychiatry & Neurology (Psychiatry)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (541) 351-7116

FREEDOM RISING COUNSELING LLC

Counselor

5441 S MACADAM AVE STE N, SUITE N
PORTLAND, OR 97239

Multnomah County (541) 714-3282

REBECCA DANILENKO CRC NCC

Counselor (Mental Health)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (503) 208-4252

ANDREA LYNN LARSEN MA, LPC

Counselor (Professional)

5441 S MACADAM AVE STE N
PORTLAND, OR 97239

Multnomah County (503) 583-4048

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 Ronn Nelson's NPI number?

The NPI number for Ronn Nelson is 1134370265. It was assigned to this individual provider in the NPPES registry on October 7, 2008.

Where is Ronn Nelson located?

Ronn Nelson practices at 5441 S Macadam Ave Ste N, Portland, OR 97239. The listed phone number is (503) 512-0015.

What is Ronn Nelson's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Ronn Nelson was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.