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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.

NATHANIEL LAWRENCE WITHEROW CPSS
NPI 1174486880
Peer Specialist in Spokane, WA

Active since December 09, 2025
164 S STATE ST APT 411, SPOKANE, WA 99201(509) 475-0249 Get Directions Write a Review

NPPES record last updated: August 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 2, 2026, Dec 9, 2025 (2 updates tracked since 2025).

About Nathaniel Lawrence Witherow Cpss NPPES

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

NATHANIEL LAWRENCE WITHEROW CPSS (NPI 1174486880) is an individual peer specialist in Spokane, Washington, licensed in Washington (CPST.PE.70121644) and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1174486880
Entity TypeIndividualMale
Primary Taxonomy175T00000X
Provider Legal NameNATHANIEL LAWRENCE WITHEROWCredential: CPSS
Location Address164 S STATE ST APT 411Spokane, WA 99201-5137
Mailing Address164 S State St Apt 411Spokane, WA 99201-5137 · (509) 475-0249
Phone(509) 475-0249
Sole ProprietorYes
Enumeration DateDecember 9, 2025
Last NPPES UpdateAugust 2, 20262 updates tracked since enumeration
NPPES CertifiedAugust 2, 2026
✔ NPI 1174486880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
License✔ Licensed in WA · CPST.PE.70121644
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
164 S STATE ST APT 411, Spokane, WA 99201
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Other Identifiers 1

OtherCPST.PE.70121644WA · Certified Peer Support Specialist Trainee

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 Nathaniel Witherow's NPI number?

The NPI number for Nathaniel Witherow is 1174486880. It was assigned to this individual provider in the NPPES registry on December 9, 2025.

Where is Nathaniel Witherow located?

Nathaniel Witherow practices at 164 S State St Apt 411, Spokane, WA 99201. The listed phone number is (509) 475-0249.

What is Nathaniel Witherow's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Nathaniel Witherow was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.