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

WILLIAM D NICHOLS MD
NPI 1760471775
Internal Medicine - Pulmonary Disease in Portland, OR

Q: What is William Nichols's NPI number?

The NPI number for William Nichols is 1760471775. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Q: What is William Nichols's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for William Nichols was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.

Active since October 21, 2005

9555 SW BARNES RD, STE 301, PORTLAND, OR 97225(503) 297-3371(503) 297-7975 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About William D Nichols Md NPPES

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

WILLIAM D NICHOLS MD (NPI 1760471775) is an individual pulmonary disease provider in Portland, Oregon, licensed in Oregon (MD13071) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1760471775

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameWILLIAM D NICHOLSCredential: MD

Location Address9555 SW BARNES RD, STE 301Portland, OR 97225-6663

Mailing Address9555 Sw Barnes Rd, Ste 301Portland, OR 97225-6663 · (503) 297-3371 · Fax (503) 297-7975

Phone(503) 297-3371

Fax(503) 297-7975

Sole ProprietorNo

Enumeration DateOctober 21, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1760471775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in OR · MD13071

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedPediatricsTaxonomy 208000000X · License MD13071 (OR)

9555 SW BARNES RD, Portland, OR 97225

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Other Identifiers 1

Medicaid261909OR

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.

JOANNE G DEVORE MD

Pediatrics

9555 SW BARNES RD, STE 301
PORTLAND, OR 97225

Washington County (503) 297-3371

DODI L WADE MSN, PNP

Nurse Practitioner (Pediatrics)

9555 SW BARNES RD, SUITE 301
PORTLAND, OR 97225

Washington County (503) 535-6338

MRS. ELISABETH HAYDEN HOLT MAKLER WHCNP, ANP

Nurse Practitioner (Women's Health)

9555 SW BARNES RD, SUITE 100
PORTLAND, OR 97225

Washington County (503) 292-3577

ROBERT J GILLESPIE MD

Pediatrics

9555 SW BARNES RD, STE 301
PORTLAND, OR 97225

Washington County (503) 297-3371

SUNSET SURGICAL CENTRE LLC

Clinic/Center (Ambulatory Surgical)

9555 SW BARNES RD, SUITE 275
PORTLAND, OR 97225

Washington County (503) 297-8555

HELEN C WELCH CNM

Advanced Practice Midwife

9555 SW BARNES RD, SUITE 100
PORTLAND, OR 97225

Washington County (503) 292-3577

EYE HEALTH NORTHWEST OPTICAL, LLC

Eyewear Supplier

9555 SW BARNES RD, SUITE 201
PORTLAND, OR 97225

Washington County (503) 227-2020

EMILY LAWSON ARNP,CNM

Advanced Practice Midwife

9555 SW BARNES RD, SUITE 100
PORTLAND, OR 97225

Washington County (503) 292-3577

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 William Nichols's NPI number?

The NPI number for William Nichols is 1760471775. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is William Nichols located?

William Nichols practices at 9555 SW Barnes Rd Ste 301, Portland, OR 97225. The listed phone number is (503) 297-3371.

What is William Nichols's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for William Nichols was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.