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MARK R THORSON MD
NPI 1609877141
Internal Medicine in Longview, WA

Active since August 09, 2005
1615 DELAWARE ST, LONGVIEW, WA 98632(360) 501-3601(360) 501-3648 Get Directions Write a Review

NPPES record last updated: July 30, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark R Thorson Md NPPES

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

MARK R THORSON MD (NPI 1609877141) is an individual internal medicine provider in Longview, Washington, licensed in Washington (MD00015441) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1609877141
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK R THORSONCredential: MD
Location Address1615 DELAWARE STLongview, WA 98632-2367
Mailing AddressPo Box 3002Longview, WA 98632-0302 · (360) 501-3601 · Fax (360) 501-3648
Phone(360) 501-3601
Fax(360) 501-3648
Sole ProprietorNo
Enumeration DateAugust 9, 2005
Last NPPES UpdateJuly 30, 2012
✔ NPI 1609877141 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 · MD00015441
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.
1615 DELAWARE ST, Longview, WA 98632
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Other Identifiers 7

Medicare PIN8856722WA
Other8923178WA · Crime Victims
Medicaid058339OR
Medicaid8239097WA
Other110194826Rr Medicare
Other126456WA · Labor & Ind.
Medicare UPINA08212

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.

CHOONG R KIM M.D.
Radiology (Radiation Oncology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 636-4841
DR. STEVEN ROBERT SPENCE JR. DNP, ARNP, FNP-BC
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 816-5706
ALEXANDER SHAR MD
Internal Medicine (Hematology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-7878
PETER J LEYZAC CRNA
Nurse Anesthetist, Certified Registered
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2000
CHRISTINE WILSON PHARMD
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2000
HOLLY WELLS FNP-BC
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2385
DR. KARA RUZICKA PHARMD
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 636-4808
DONNA K LYNDS ARNP-C
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Cowlitz County (360) 414-2000

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 Mark Thorson's NPI number?

The NPI number for Mark Thorson is 1609877141. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Mark Thorson located?

Mark Thorson practices at 1615 Delaware St, Longview, WA 98632. The listed phone number is (360) 501-3601.

What is Mark Thorson'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 Mark Thorson was last updated on July 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.