DR. DAN S GRINSTEAD M.D.
NPI 1881668010
Internal Medicine in Walla Walla, WA

Active since February 14, 2006
55 W TIETAN ST, WALLA WALLA, WA 99362(509) 525-3720(509) 522-1588 Get Directions Write a Review

NPPES record last updated: November 27, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Dan S Grinstead M.d. NPPES

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

DR. DAN S GRINSTEAD M.D. (NPI 1881668010) is an individual internal medicine provider in Walla Walla, Washington, licensed in Washington (MD00044572) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1881668010
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DAN S GRINSTEADCredential: M.D.
Location Address55 W TIETAN STWalla Walla, WA 99362-4445
Mailing Address55 W Tietan StWalla Walla, WA 99362-4445 · (509) 525-3720 · Fax (509) 522-1592
Fax(509) 522-1588
Sole ProprietorNo
Enumeration DateFebruary 14, 2006
Last NPPES UpdateNovember 27, 2007
NPI 1881668010 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 · MD00044572
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.

55 W TIETAN ST, Walla Walla, WA 99362

Other Identifiers 6

OtherP00201205WA · Rail Road Medicare
Medicaid8418337WA
Other0194945WA · L&i
Medicare UPINA72945WA
Medicaid023157OR
Medicare PING8851280WA

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.

Family Medicine
55 W TIETAN ST
WALLA WALLA, WA 99362
Physician Assistant (Medical)
55 W TIETAN ST
WALLA WALLA, WA 99362
Family Medicine (Adult Medicine)
55 W TIETAN ST
WALLA WALLA, WA 99362
Family Medicine
55 W TIETAN ST
WALLA WALLA, WA 99362
Pediatrics
55 W TIETAN ST
WALLA WALLA, WA 99362
Pediatrics
55 W TIETAN ST
WALLA WALLA, WA 99362
Audiologist
55 W TIETAN ST
WALLA WALLA, WA 99362
Physical Therapist
55 W TIETAN ST
WALLA WALLA, WA 99362

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 Dan Grinstead's NPI number?

The NPI number for Dan Grinstead is 1881668010. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Dan Grinstead located?

Dan Grinstead practices at 55 W Tietan St, Walla Walla, WA 99362. The listed phone number is (509) 525-3720.

What is Dan Grinstead'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 Dan Grinstead was last updated on November 27, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.