ROBERT B OLSEN MD INC
NPI 1508929902
Internal Medicine in Seattle, WA

Active since December 18, 2006
1101 MADISON STREET, SUITE 1290, SEATTLE, WA 98104(206) 622-5455(206) 622-2008 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Robert B Olsen Md Inc NPPES

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

ROBERT B OLSEN MD INC (NPI 1508929902) is a healthcare organization registered as an internal medicine in Seattle, Washington and active in the NPI registry since December 2006. The organization lists Robert Barrington Olsen, President, as its authorized official.

NPPES Registry Identity

NPI1508929902
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameROBERT B OLSEN MD INC
Location Address1101 MADISON STREET, SUITE 1290Seattle, WA 98104
Mailing Address1101 Madison Street, Suite 1290Seattle, WA 98104 · (206) 622-5455 · Fax (206) 622-2008
Fax(206) 622-2008
Organization SubpartNo
Authorized OfficialRobert Barrington OlsenPresident · (206) 622-5455
Enumeration DateDecember 18, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPI 1508929902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · MD00016720
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.
Also ListedPsychiatry & Neurology · Forensic PsychiatryTaxonomy 2084F0202X · License MD00016720 (WA)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License MD00016720 (WA)
1101 MADISON STREET, Seattle, WA 98104

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 11

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

Obstetrics & Gynecology (Reproductive Endocrinology)
1101 MADISON STREET, SUITE 1050
SEATTLE, WA 98104
Psychologist (Clinical)
1101 MADISON STREET, SUITE 1290
SEATTLE, WA 98104
Internal Medicine
1101 MADISON STREET, SUITE 1290
SEATTLE, WA 98104
Obstetrics & Gynecology (Reproductive Endocrinology)
1101 MADISON STREET, SUITE 150
SEATTLE, WA 98104
Podiatrist
1101 MADISON STREET, SUITE 1120
SEATTLE, WA 98104
Obstetrics & Gynecology (Reproductive Endocrinology)
1101 MADISON STREET, SUITE 1050
SEATTLE, WA 98104
Physical Medicine & Rehabilitation (Pain Medicine)
1101 MADISON STREET, SUITE 200 SPD PAIN MANAGEMENT
SEATTLE, WA 98104
Nurse Practitioner (Women's Health)
1101 MADISON STREET, SUITE 1050
SEATTLE, WA 98104

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 B Olsen MD Inc's NPI number?

The NPI number for Robert B Olsen MD Inc is 1508929902. It was assigned to this organization in the NPPES registry on December 18, 2006.

Where is Robert B Olsen MD Inc located?

Robert B Olsen MD Inc is located at 1101 Madison Street Suite 1290, Seattle, WA 98104. The listed phone number is (206) 622-5455.

What is Robert B Olsen MD Inc'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 Robert B Olsen MD Inc was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.