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Mountain Valley Psychological Services, PLLCPsychologist in City of Sammamish, WA

Mountain Valley Psychological Services, PLLC is a psychologist at 9918 284th Ave NE Suite A, Carnation, WA 98014, ranked #6 of 176 psychologists in City of Sammamish and rated 4.5 from 6 Google reviews. Open Monday to Friday.

This profile is built from public listing data. Confirm the provider’s license, services, fees and availability with the practice before you book.

City of Sammamish, WAUpdated 0 paid placements in any rankingHow we rank

Call (206) 310-0250Website ↗

Key facts

Key facts about Mountain Valley Psychological Services, PLLC
Address9918 284th Ave NE Suite A, Carnation, WA 98014, City of Sammamish, WAGet directions
Phone(206) 310-0250
Websitemountainvalleypsych.com
HoursMonday to Friday: 10 AM – 5 PM
Google rating4.5 from 6 Google reviews

Specialties

Each specialty shows the evidence we matched it on.

Service area

Serves City of Sammamish and 11 towns within 20 miles: Union Hill-Novelty Hill, Sammamish, Cottage Lake, Redmond, Klahanie, West Lake Sammamish, Kingsgate, Woodinville, Issaquah, Maltby and Kirkland.

Based in City of Sammamish, WAView on map

Opening hours

Opening hours for Mountain Valley Psychological Services, PLLC
DayHours
Monday10 AM – 5 PM
Tuesday10 AM – 5 PM
Wednesday10 AM – 5 PM
Thursday10 AM – 5 PM
Friday10 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Questions about Mountain Valley Psychological Services, PLLC

How is Mountain Valley Psychological Services, PLLC ranked in City of Sammamish?

Mountain Valley Psychological Services, PLLC is ranked #6 of 176 psychologists in City of Sammamish by RP Score, with 68 out of 100 as of November 2026. The score weighs reputation, review volume, recency, availability, specialty focus, proximity, claimed profile and partnered. No business can pay to change its rank.

What are Mountain Valley Psychological Services, PLLC’s hours?

Mountain Valley Psychological Services, PLLC is open Monday to Friday. Its listed hours are Monday to Friday, 10 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mountain Valley Psychological Services, PLLC serve?

Serves City of Sammamish and 11 towns within 20 miles: Union Hill-Novelty Hill, Sammamish, Cottage Lake, Redmond, Klahanie, West Lake Sammamish, Kingsgate, Woodinville, Issaquah, Maltby and Kirkland. The list is based on the business's location and the usual service radius for psychology. Confirm your address is covered when you call.

What do Google reviews say about Mountain Valley Psychological Services, PLLC?

Mountain Valley Psychological Services, PLLC has a rating of 4.5 from 6 Google reviews. The RP Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Mountain Valley Psychological Services, PLLC?

Call Mountain Valley Psychological Services, PLLC on (206) 310-0250. The business is at 9918 284th Ave NE Suite A, Carnation, WA 98014, City of Sammamish, WA. Its website is linked in the key facts on this page. Ask about fees, insurance and openings before you book a first session.

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Compare nearby psychologists

Mountain Valley Psychological Services, PLLC compared with nearby businesses
BusinessRankRP ScoreGoogle ratingSaturdaySundayDistance away
Mountain Valley Psychological Services, PLLC (this business)—684.5 (6)NoNo
Eastside Psychological Associates#4692.6 (5)——10.6 mi
Ronald O. Powell, PhD#5695.0 (3)YesYes7.5 mi
Dr Claudette Granahan#7685.0 (3)——10.6 mi

See all 176 ranked psychologists in City of Sammamish