Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary L Day, MS

Individual provider Mental Health Counselor · NPI 1871676726

Mary L Day, MS is a Mental Health Counselor in Ellensburg, Washington. Qualified in 2003, 23 years ago. Practices with Valley Psychological Services, a 13-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
23
Licensed in
WA
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

220 W 4th Ave
Ellensburg, WA 98926-3060
Phone: (509) 925-9861
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH00009968 (WA)

Record details

NPI number1871676726
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Valley Psychological Services — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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