Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew J Sacks, MD
Specialist in Walla Walla, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528014420
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Registry record
Entity type Individual (Type 1)
Name Matthew J Sacks
Credential MD
Sex Male
Practice address 401 W Poplar St, Walla Walla, WA, 99362
Phone (509) 525-2220
Enumeration date May 25, 2006
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1116094 | Medicaid | WA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Matthew Sacks?
The National Provider Identifier (NPI) for Matthew Sacks is 1528014420, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Sacks practice?
The practice location on file with NPPES is in Walla Walla, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Timothy Caudill Anesthesiology Physician · Walla Walla, WA NPI 1720083686 Kurt Schlicker Anesthesiology Physician · Walla Walla, WA NPI 1619972577 Robert Parks Emergency Medicine Physician · Walla Walla, WA NPI 1770581332 James Buratto Diagnostic Radiology Physician · Walla Walla, WA NPI 1467438044 Ronald Stiller Pulmonary Disease Physician · Walla Walla, WA NPI 1154396109 Rachelle Hartman Physical Therapist · Walla Walla, WA NPI 1245280494 Sara Hellberg Nurse Practitioner · Walla Walla, WA NPI 1174576094 Suwong Wongsuwan Cardiovascular Disease Physician · Walla Walla, WA NPI 1497700975
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.