Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1881668010 Individual Practitioner Male Practitioner

Dr. Dan S Grinstead , MD

Internal Medicine • Walla Walla, WA

Professional Overview & Biography Verified Profile Summary

Dr. Dan Grinstead, MD is a registered healthcare professional specializing in Internal Medicine in Walla Walla, WA. Practice services are available at 55 W TIETAN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

55 W Tietan St

Walla Walla, WA 993624445

Telephone 5095253720
Fax 5095221588
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Walla Walla, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.3 Yrs
State Avg: 23.4 Yrs
Regional Practice Density
38 Specialists

Practicing in Walla Walla, WA (3169 Statewide)

Telehealth Adoption Rate
10.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00044572

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
8418337 (WA)
Medicaid State Provider ID
023157 (OR)
Commercial Insurance / Payer ID Rail Road Medicare
P00201205 (WA)
Commercial Insurance / Payer ID L&i
0194945 (WA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1013975036

Doctor of Medicine (M.D.)

Stacey Haveman , PHYSICIAN ASSISTANT

Physician Assistant - Medical

NPI 1023309796

PHYSICIANASSISTANT

NPI 1033183256

Doctor of Medicine (M.D.)

Dr. Justin Olswanger , DO

Family Medicine - Adult Medicine

NPI 1033265657

Doctor of Osteopathic Medicine (D.O.)

Dr. John Moore , DO

Family Medicine

NPI 1063412070

Doctor of Osteopathic Medicine (D.O.)

NPI 1073856043

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active November 27, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location November 27, 2007

Registered at 55 W TIETAN ST, WALLA WALLA, WA 993624445 (Tel: 5095253720)

📍
Updated Business Mailing Address November 27, 2007

Registered at 55 W TIETAN ST, WALLA WALLA, WA 993624445 (Tel: 5095253720)

👤
Provider Name / Credentials Updated November 27, 2007

Recorded as DAN GRINSTEAD, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 27, 2007

Internal Medicine (License #MD00044572 in WA)

🟢
Initial NPI Registration & Enumeration February 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1881668010
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 14, 2006
Last Update: November 27, 2007
Sole Proprietor: No

Mailing Address

55 W Tietan St

Walla Walla, WA 993624445

Phone: 5095253720

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.