Almost 200 walk-in locations
Locations in California

Costa Mesa, CA Urgent Care Walk‑In Clinic on Harbor Boulevard

3195 Harbor Boulevard  •  Costa Mesa, CA 92626
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MedPost FastMedWe’re proud to expand compassionate care to California.

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MedPost FastMedWe’re proud to expand compassionate care to California.

Learn more

We’ll be open today at 8:00 am.

Urgent care hours

  • 8:00 am - 8:00 pm

Self-pay pricing published on FastMed.com currently applies to FastMed clinics only. For MedPost locations, please call ahead to confirm self-pay pricing.

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