Oasis Medical Group
Online booking

Schedule your visit.

Choose a service, pick a date and time, and share your details — no account required. Walk-ins are also welcome during office hours.

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Accepted insurances

We accept most major PPO plans and Medicare. We do not currently accept Medi-Cal. Cash-pay options are available for wellness services and uninsured patients. Call 760-691-1901 to verify your benefits.

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Cigna
  • United Healthcare
  • Tricare
  • Medicare
  • Most PPO plans

What our patients say

5.0 average · 74+ Google reviews

"We had the most incredible experience with Dr Moasis. I've never met anybody so kind and considerate and professional — so grateful to be in his practice."

anthony frescura
Google Review · 3 weeks ago

"Dr. Moasis and his team are truly a blessing. I recently moved to San Marcos and needed a PCP closer to home. Dr. Moasis and his team truly cares for his patients and is amazing at explaining things in a way that is easy to understand. Definitely recommend!!"

Nick Gonzales
Google Review · 2 months ago

"AMAZING DOCTOR! He's very attentive and carries great energy to the conversation."

Alejandro Cobian
Google Review · a month ago

"So attentive and patient! :)"

Tiana DeMarco
Google Review · a week ago