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DR. STEPHEN PAUL FORTMANN M.D.
NPI 1326104829
Internal Medicine in Portland, OR

Active since December 29, 2006
3800 N INTERSTATE AVE, PORTLAND, OR 97227(503) 335-2459(503) 335-2428 Get Directions Write a Review

NPPES record last updated: March 15, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Stephen Paul Fortmann M.d. NPPES

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

DR. STEPHEN PAUL FORTMANN M.D. (NPI 1326104829) is an individual internal medicine provider in Portland, Oregon, licensed in California (G29702) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1326104829
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEPHEN PAUL FORTMANNCredential: M.D.
Location Address3800 N INTERSTATE AVEPortland, OR 97227-1098
Mailing Address3800 N Interstate AvePortland, OR 97227-1098 · (503) 335-2459 · Fax (503) 335-2428
Phone(503) 335-2459
Fax(503) 335-2428
Sole ProprietorNo
Enumeration DateDecember 29, 2006
Last NPPES UpdateMarch 15, 2012
✔ NPI 1326104829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G29702
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3800 N INTERSTATE AVE, Portland, OR 97227
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Other Identifiers 1

Medicare UPINA44123CA

Other Providers at the Same Location NPPES 5

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

NANCY A SIEGEL PA
Physician Assistant
3800 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 335-2440
EVELYN PATRICIA WHITLOCK MD, MPH
Preventive Medicine (Public Health & General Preventive Medicine)
3800 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 335-6787
LYNN LARSON DEBAR PH.D.
Psychologist (Clinical)
3800 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 335-6796
KAISER FOUNDATION HOSPITALS
Clinic/Center (Research)
3800 N INTERSTATE AVE, CENTER FOR HEALTH RESEARCH
PORTLAND, OR 97227
Multnomah County (503) 335-2400
DR. MICHELLE HENNINGER PHD
Psychologist (Clinical)
3800 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 330-5139

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 Stephen Fortmann's NPI number?

The NPI number for Stephen Fortmann is 1326104829. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Where is Stephen Fortmann located?

Stephen Fortmann practices at 3800 N Interstate Ave, Portland, OR 97227. The listed phone number is (503) 335-2459.

What is Stephen Fortmann's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Stephen Fortmann was last updated on March 15, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.