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WILLIAM FRANCIS MARSHALL JR. MD
NPI 1417911959
Pediatrics - Pediatric Gastroenterology in Portland, OR

Active since April 13, 2006
300 N GRAHAM ST, SUITE 420, PORTLAND, OR 97227(503) 281-5139(503) 249-3782 Get Directions Write a Review

NPPES record last updated: November 5, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Francis Marshall Jr. Md NPPES

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

WILLIAM FRANCIS MARSHALL JR. MD (NPI 1417911959) is an individual pediatric gastroenterology provider in Portland, Oregon, licensed in Oregon (MD16323) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1417911959
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameWILLIAM FRANCIS MARSHALL JR.Credential: MD
Location Address300 N GRAHAM ST, SUITE 420Portland, OR 97227-1683
Mailing Address300 N Graham St, Suite 420Portland, OR 97227-1683 · (503) 281-5139 · Fax (503) 249-3782
Phone(503) 281-5139
Fax(503) 249-3782
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateNovember 5, 2008
✔ NPI 1417911959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in OR · MD16323
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
300 N GRAHAM ST, Portland, OR 97227
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Other Names 1

Professional Name (2)William Francis Marshall Md

Other Identifiers 3

Medicaid8480147WA
Medicare UPINF20920OR
Medicaid000831OR

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.

KATHRYN D MOYER M.D.
Pediatrics (Pediatric Gastroenterology)
300 N GRAHAM ST, SUITE 420
PORTLAND, OR 97227
Multnomah County (503) 281-5139
PEDIATRIC CARDIOLOGY CENTER OF OREGON PC
Pediatrics (Pediatric Cardiology)
300 N GRAHAM ST, SUITE 250
PORTLAND, OR 97227
Multnomah County (503) 280-3418
MATTHEW RYAN RILEY MD
Pediatrics (Pediatric Gastroenterology)
300 N GRAHAM ST, SUITE 420
PORTLAND, OR 97227
Multnomah County (503) 281-5139
DR. JENNIFER CAROL PRUNTY O.D.
Optometrist
300 N GRAHAM ST, SUITE 300
PORTLAND, OR 97227
Multnomah County (503) 413-3030
DR. MICHAEL HELMY TEWFIK M.D.
Internal Medicine
300 N GRAHAM ST, SUITE 200
PORTLAND, OR 97227
Multnomah County (503) 413-4134
DR. LORI J. FARRELL M.D.
Internal Medicine
300 N GRAHAM ST, SUITE 200
PORTLAND, OR 97227
Multnomah County (503) 413-4134
DUNCAN REESE NEILSON JR. MD
Obstetrics & Gynecology
300 N GRAHAM ST, STE 100 MEDICAL PLAZA BLDG LEGACY EMANUEL HOSPITAL
PORTLAND, OR 97227
Multnomah County (503) 413-3622
DR. WALTER JOE WEICK M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
300 N GRAHAM ST, SUITE #100
PORTLAND, OR 97227
Multnomah County (503) 413-1122

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 Marshall's NPI number?

The NPI number for William Marshall is 1417911959. It was assigned to this individual provider in the NPPES registry on April 13, 2006. The provider is also known as William Francis Marshall MD.

Where is William Marshall located?

William Marshall practices at 300 N Graham St Suite 420, Portland, OR 97227. The listed phone number is (503) 281-5139.

What is William Marshall's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

When was this NPI record last updated?

The NPPES record for William Marshall was last updated on November 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.