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NICHOLAS MADDON MS
NPI 1699551481
Counselor - Mental Health in Yakima, WA

Active since September 06, 2023
402 S 4TH AVE, YAKIMA, WA 98902(509) 575-4084 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Dec 9, 2025, Sep 6, 2023 (2 updates tracked since 2023).

About Nicholas Maddon Ms NPPES

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

NICHOLAS MADDON MS (NPI 1699551481) is an individual mental health provider in Yakima, Washington and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1699551481
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameNICHOLAS MADDONCredential: MS
Location Address402 S 4TH AVEYakima, WA 98902-3546
Mailing AddressPo Box 959Yakima, WA 98907-0959
Phone(509) 575-4084
Sole ProprietorNo
Enumeration DateSeptember 6, 2023
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1699551481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
402 S 4TH AVE, Yakima, WA 98902
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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.

CHRISTIAN SULLIVAN
Counselor (Mental Health)
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-3874
LESLIE KINCADE
Counselor
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084
ALLISON LANGSTON
Nurse's Aide
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084
BRITNEY JEAN SKILLMAN PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 317-2613
NATALIA RAMOS
Case Manager/Care Coordinator
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084
NICOLE A TATUM
Social Worker (Clinical)
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084
KRYSTAL LESLIE WEBER DNP
Nurse Practitioner (Psychiatric/Mental Health)
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084
TRICIA L JENNINGS
Counselor (Addiction (Substance Use Disorder))
402 S 4TH AVE
YAKIMA, WA 98902
Yakima County (509) 575-4084

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 Nicholas Maddon's NPI number?

The NPI number for Nicholas Maddon is 1699551481. It was assigned to this individual provider in the NPPES registry on September 6, 2023.

Where is Nicholas Maddon located?

Nicholas Maddon practices at 402 S 4th Ave, Yakima, WA 98902. The listed phone number is (509) 575-4084.

What is Nicholas Maddon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Nicholas Maddon was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.