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

DR. WILLIAM JOHN PRENDERGAST III MD
NPI 1407838477
Ophthalmology in Portland, OR

Active since November 16, 2005
1955 NW NORTHRUP ST, PORTLAND, OR 97209(503) 227-2020(503) 222-0614 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William John Prendergast Iii Md NPPES

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

DR. WILLIAM JOHN PRENDERGAST III MD (NPI 1407838477) is an individual ophthalmology provider in Portland, Oregon, licensed in Oregon (MD07423) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1407838477
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. WILLIAM JOHN PRENDERGAST IIICredential: MD
Location Address1955 NW NORTHRUP STPortland, OR 97209-1614
Mailing Address11086 Se Oak StMilwaukie, OR 97222-6692 · (503) 557-2020 · Fax (503) 344-5110
Phone(503) 227-2020
Fax(503) 222-0614
Sole ProprietorNo
Enumeration DateNovember 16, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1407838477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in OR · MD07423
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1955 NW NORTHRUP ST, Portland, OR 97209
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Other Identifiers 1

Medicaid151092OR

Other Providers at the Same Location NPPES 18

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

AMY YING TONG M.D.
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
JOCELYN LAM M.D.
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
EYE HEALTH NORTHWEST OPTICAL, LLC
Eyewear Supplier
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
REBECCA LEW ARMOUR M.D.
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
MR. MICHAEL ALLEN PAGE M.D.
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
DR. AAZY A AABY MD
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
CLAUDINE YEE MD
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020
DR. KERRY BRENT HAGEN MD
Ophthalmology
1955 NW NORTHRUP ST
PORTLAND, OR 97209
Multnomah County (503) 227-2020

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 Prendergast's NPI number?

The NPI number for William Prendergast is 1407838477. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is William Prendergast located?

William Prendergast practices at 1955 NW Northrup St, Portland, OR 97209. The listed phone number is (503) 227-2020.

What is William Prendergast's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for William Prendergast 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 21 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.