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

DR. ROBERT ALLEN GRAYBILL ND
NPI 1760996631
Naturopath in Portland, OR

Active since November 29, 2017
1330 SE CESAR ESTRADA CHAVEZ BOULEVARD, PORTLAND, OR 97214(503) 232-1100(503) 232-7751 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2026, Nov 29, 2017 (2 updates tracked since 2017).

About Dr. Robert Allen Graybill Nd NPPES

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

DR. ROBERT ALLEN GRAYBILL ND (NPI 1760996631) is an individual naturopath provider in Portland, Oregon, licensed in Oregon (4139) and active in the NPI registry since November 2017.

NPPES Registry Identity

NPI1760996631
Entity TypeIndividualMale
Primary Taxonomy175F00000X
Provider Legal NameDR. ROBERT ALLEN GRAYBILLCredential: ND
Location Address1330 SE CESAR ESTRADA CHAVEZ BOULEVARDPortland, OR 97214-4322
Mailing Address1330 Southeast Cesar Estrada Chavez Blvd.Portland, OR 97214-4322 · (503) 232-1100 · Fax (503) 232-7751
Fax(503) 232-7751
Sole ProprietorNo
Enumeration DateNovember 29, 2017
Last NPPES UpdateJuly 9, 20262 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1760996631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNaturopathOther Service Providers
Taxonomy Code175F00000X
License Licensed in OR · 4139
Definition
Diagnoses, treats, and cares for patients, using system of practice that bases treatment of physiological functions and abnormal conditions on natural laws governing human body: Utilizes physiological, psychological, and mechanical methods, such as air, water, light, heat, earth, phototherapy, food and herb therapy, psychotherapy, electrotherapy, physiotherapy, minor and orificial surgery, mechanotherapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural medicines, natural processed foods, and herbs and nature's remedies. Excludes major surgery, therapeutic use of x ray and radium, and use of drugs, except those assimilable substances containing elements or compounds which are components of body tissues and are physiologically compatible to body processes for maintenance of life.
1330 SE CESAR ESTRADA CHAVEZ BOULEVARD, Portland, OR 97214

Accepted Insurance

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 Robert Graybill's NPI number?

The NPI number for Robert Graybill is 1760996631. It was assigned to this individual provider in the NPPES registry on November 29, 2017.

Where is Robert Graybill located?

Robert Graybill practices at 1330 SE Cesar Estrada Chavez Boulevard, Portland, OR 97214. The listed phone number is (503) 232-1100.

What is Robert Graybill's specialty?

The primary specialty registered for this NPI is Naturopath with taxonomy code 175F00000X.

What insurance does Robert Graybill accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Robert Graybill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Robert Graybill was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.