DR. DAN S GRINSTEAD (M.D.) – Internal Medicine Physician, NPI 1881668010

DR. DAN S GRINSTEAD (M.D.) is a healthcare provider. based in Walla walla, Washington. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. MD00044572 (WA). The NPI Number for DR. DAN S GRINSTEAD (M.D.) is 1881668010

Main info

Male
Name
DR. DAN S GRINSTEAD (M.D.)
NPI
1881668010
Phone
(509) 525-3720
Address
55 W TIETAN ST
Enumeration Date
14 February 2006
Last Update Date
27 November 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. DAN S GRINSTEAD (M.D.)

  • 55, West Tietan Street, Walla Walla, Walla Walla County, Washington, 99362, United States

    WALLA WALLA, WA 993624445

    Phone: (509) 525-3720

    Fax: (509) 522-1592

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 99362)

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Reviews

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Frequently asked questions

What NPI should I save for DR. DAN S GRINSTEAD (M.D.)?
Save NPI 1881668010 if you need a stable reference for DR. DAN S GRINSTEAD (M.D.).
Does this profile mean DR. DAN S GRINSTEAD (M.D.) is currently active?
Yes — DR. DAN S GRINSTEAD (M.D.) appears active in the national provider directory.
Does DR. DAN S GRINSTEAD (M.D.) list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for DR. DAN S GRINSTEAD (M.D.). Clinical services aligned with this taxonomy classification.
Where is DR. DAN S GRINSTEAD (M.D.)'s primary listing?
We display Walla Walla, Washington because that is what the record indicates for DR. DAN S GRINSTEAD (M.D.).
What if Walla Walla, Washington seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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