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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW J SACKS MD
NPI 1528014420
Specialist in Walla Walla, WA

Active since May 25, 2006
401 W POPLAR ST, WALLA WALLA, WA 99362(509) 525-2220 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Matthew J Sacks Md NPPES

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

MATTHEW J SACKS MD (NPI 1528014420) is an individual specialist in Walla Walla, Washington, licensed in Washington (MD00041107) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1528014420
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameMATTHEW J SACKSCredential: MD
Location Address401 W POPLAR STWalla Walla, WA 99362-2846
Mailing AddressPo Box 476Walla Walla, WA 99362-0013 · (509) 525-2220
Phone(509) 525-2220
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1528014420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in WA · MD00041107
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
401 W POPLAR ST, Walla Walla, WA 99362
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Other Identifiers 1

Medicaid1116094WA

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.

PATRICK R SMART ARNP
Nurse Practitioner
401 W POPLAR ST, SLEEP MEDICINE CENTER
WALLA WALLA, WA 99362
Walla Walla County (509) 522-5946
JENNIFER SIMPSON
Registered Nurse
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (817) 933-1868
JAMES WILLIAM ROSSMAN MD
Anesthesiology
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2002
DR. ROBERT JOHN BRAWDERS PHARMD
Pharmacist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2055
KRISTA NEUENDORFF OTR/L
Occupational Therapist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-5022
NORA KEOUGH COTA/L
Occupational Therapy Assistant
401 W POPLAR ST, REBAB SERVICE
WALLA WALLA, WA 99362
Walla Walla County (509) 897-2100
DR. PHILIP A GREEN MD
Emergency Medicine
401 W POPLAR ST, PSMMC ER
WALLA WALLA, WA 99362
Walla Walla County (509) 522-5802
DENNIS DUMOT
Pharmacist
401 W POPLAR ST
WALLA WALLA, WA 99362
Walla Walla County (509) 897-3320

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 Matthew Sacks's NPI number?

The NPI number for Matthew Sacks is 1528014420. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Matthew Sacks located?

Matthew Sacks practices at 401 W Poplar St, Walla Walla, WA 99362. The listed phone number is (509) 525-2220.

What is Matthew Sacks's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Matthew Sacks was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.