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SEAN FENNESSY MD
NPI 1720153372
Internal Medicine in Renton, WA

Active since November 21, 2006
400 S 43RD ST, RENTON, WA 98055(425) 228-3450 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sean Fennessy Md NPPES

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

SEAN FENNESSY MD (NPI 1720153372) is an individual internal medicine provider in Renton, Washington, licensed in Washington (MD00045507) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1720153372
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEAN FENNESSYCredential: MD
Location Address400 S 43RD STRenton, WA 98055-5714
Mailing Address2505 Nob Hill Pl NSeattle, WA 98109-2053
Phone(425) 228-3450
Sole ProprietorYes
Enumeration DateNovember 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1720153372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD00045507
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.
400 S 43RD ST, Renton, WA 98055
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Other Identifiers 1

Medicare UPINH87284WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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.

CATHERINE A MICKELSON SLP
Speech-Language Pathologist
400 S 43RD ST
RENTON, WA 98055
King County (425) 251-5165
IRENE A BRYANT PT
Physical Therapist
400 S 43RD ST
RENTON, WA 98055
King County (425) 251-5165
JEFFREY C THOMPSON MD
Internal Medicine
400 S 43RD ST, RM 3H-1-053
RENTON, WA 98055
King County (425) 228-3440
AARON TZUPENG FANG M.D.
Hospitalist
400 S 43RD ST
RENTON, WA 98055
King County (425) 228-3440
DR. TORY JOHN OLSEN MD
Student in an Organized Health Care Education/Training Program
400 S 43RD ST
RENTON, WA 98055
King County (425) 656-4224
ANNE B VILLARI PT
Physical Therapist
400 S 43RD ST
RENTON, WA 98055
King County (425) 251-5165
DAN LAM RPH
Pharmacist
400 S 43RD ST
RENTON, WA 98055
King County (425) 251-5164
ANNA L SAMSON STEIN MD
Hospitalist
400 S 43RD ST
RENTON, WA 98055
King County (425) 228-3440

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 Sean Fennessy's NPI number?

The NPI number for Sean Fennessy is 1720153372. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Sean Fennessy located?

Sean Fennessy practices at 400 S 43rd St, Renton, WA 98055. The listed phone number is (425) 228-3450.

What is Sean Fennessy's specialty?

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

What insurance does Sean Fennessy accept?

Health plans from Providence Health Plan list Sean Fennessy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sean Fennessy was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.