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Oasis Center for Interventional PsychiatryPsychiatrist in Diamond Bar, CA

Oasis Center for Interventional Psychiatry is a psychiatrist at 21700 Copley Dr Ste 180, Diamond Bar, CA 91765, ranked #15 of 854 psychiatrists in Diamond Bar and rated 4.4 from 7 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.

Diamond Bar, CAUpdated 0 paid placements in any rankingHow we rank

Call (909) 345-6000Website ↗

Key facts

Key facts about Oasis Center for Interventional Psychiatry
Address21700 Copley Dr Ste 180, Diamond Bar, CA 91765Get directions
Phone(909) 345-6000
Websiteoasiscip.com
HoursMonday to Friday: 9 AM – 6 PM
Google rating4.4 from 7 Google reviews

Specialties

Each specialty shows the evidence we matched it on.

  • Psychiatrymain specialtyGoogle main category
  • Psychologistsadditional Google category
  • Therapists and Counselorsadditional Google category

Service area

Serves Diamond Bar and 11 towns within 40 miles: Walnut, Chino Hills, South San Jose Hills, Rowland Heights, Pomona, Brea, La Puente, Covina, Valinda, San Dimas and Yorba Linda.

Based in Diamond Bar, CAView on map

Opening hours

Opening hours for Oasis Center for Interventional Psychiatry
DayHours
Monday9 AM – 6 PM
Tuesday9 AM – 6 PM
Wednesday9 AM – 6 PM
Thursday9 AM – 6 PM
Friday9 AM – 6 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Questions about Oasis Center for Interventional Psychiatry

How is Oasis Center for Interventional Psychiatry ranked in Diamond Bar?

Oasis Center for Interventional Psychiatry is ranked #15 of 854 psychiatrists in Diamond Bar by RP Score, with 69 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 Oasis Center for Interventional Psychiatry’s hours?

Oasis Center for Interventional Psychiatry is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 6 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Oasis Center for Interventional Psychiatry serve?

Serves Diamond Bar and 11 towns within 40 miles: Walnut, Chino Hills, South San Jose Hills, Rowland Heights, Pomona, Brea, La Puente, Covina, Valinda, San Dimas and Yorba Linda. 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 Oasis Center for Interventional Psychiatry?

Oasis Center for Interventional Psychiatry has a rating of 4.4 from 7 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 Oasis Center for Interventional Psychiatry?

Call Oasis Center for Interventional Psychiatry on (909) 345-6000. The business is at 21700 Copley Dr Ste 180, Diamond Bar, CA 91765. 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 psychiatrists

Oasis Center for Interventional Psychiatry compared with nearby businesses
BusinessRankRP ScoreGoogle ratingSaturdaySundayDistance away
Oasis Center for Interventional Psychiatry (this business)—694.4 (7)NoNo
Dr. Maria Lucila S. Llanes, MD#13702.3 (9)——7.9 mi
Dr. Mark Welch, DO#14705.0 (11)——16.7 mi
High Desert Psychological Services#16694.9 (593)NoNo17.0 mi

See all 854 ranked psychiatrists in Diamond Bar