Gareth T. Marsh, DOPsychiatrist in Nampa, ID
Gareth T. Marsh, DO is a psychiatrist at South Entrance, 9850 W St Lukes Dr Ste 320, Nampa, ID 83687, ranked #1 of 35 psychiatrists in Nampa and rated 5.0 from 53 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.
Nampa, IDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | South Entrance, 9850 W St Lukes Dr Ste 320, Nampa, ID 83687Get directions |
|---|---|
| Phone | (208) 505-2222 |
| Website | stlukesonline.org |
| Hours | Monday to Friday: 8 AM – 5 PM |
| Google rating | 5.0 from 53 Google reviews |
Specialties
Each specialty shows the evidence we matched it on.
- Psychiatrymain specialtyGoogle main category
Service area
Serves Nampa and 6 towns within 40 miles: Caldwell, Meridian, Kuna, Eagle, Garden City and Boise.
Based in Nampa, IDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Questions about Gareth T. Marsh, DO
How is Gareth T. Marsh, DO ranked in Nampa?
Gareth T. Marsh, DO is ranked #1 of 35 psychiatrists in Nampa by RP Score, with 72 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 Gareth T. Marsh, DO’s hours?
Gareth T. Marsh, DO is open Monday to Friday. Its listed hours are Monday to Friday, 8 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 Gareth T. Marsh, DO serve?
Serves Nampa and 6 towns within 40 miles: Caldwell, Meridian, Kuna, Eagle, Garden City and Boise. The list is based on the business's location and the usual service radius for psychiatry. Confirm your address is covered when you call.
What do Google reviews say about Gareth T. Marsh, DO?
Gareth T. Marsh, DO has a rating of 5.0 from 53 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 Gareth T. Marsh, DO?
Call Gareth T. Marsh, DO on (208) 505-2222. The business is at South Entrance, 9850 W St Lukes Dr Ste 320, Nampa, ID 83687. Its website is linked in the key facts on this page. Ask about fees, insurance and openings before you book a first session.
Own Gareth T. Marsh, DO? Claim this profile.
Claiming is free. Correct your hours, specialties and service area. The RP Score is recalculated from corrected data; payment never changes it.
Compare nearby psychiatrists
| Business | Rank | RP Score | Google rating | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|
| Gareth T. Marsh, DO (this business) | — | 72 | 5.0 (53) | No | No | |
| Ashaye Tim MD | #2 | 71 | 4.2 (19) | — | — | 11.4 mi |