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MarinHealth Primary Care | A UCSF Health Clinic logo

MarinHealth Primary Care | A UCSF Health Clinic

Primary CareSonoma, CA

★★★★★4.5/551 reviews across 1 platforms

Ratings by platform

  • Healthgrades: 4.5 out of 5 stars (51 reviews (for Dr. Brian Sebastian, a provider at the location))

What patients say

Patients praise

  • Highly rated individual physicians known for being thorough, compassionate, and good listeners
  • Efficient care and accessibility for patients, including Medicare recipients
  • Appreciation for the clinic's connection to the broader UCSF Health system
  • Professional and knowledgeable medical staff

Common complaints

  • Isolated reports of poor office staff communication and responsiveness
  • Some patient concerns regarding billing and appointment scheduling delays
  • Occasional dissatisfaction with specific provider availability and responsiveness

In patients' words

"Dr Sebastian is both personal and professional. He thinks and discusses."

Healthgrades reviewer regarding Dr. Brian Sebastian

"Dr. Sebastian has been my primary care physician for about 10 years... I trust him."

Healthgrades reviewer regarding Dr. Brian Sebastian

"Absolutely disastrous client service. My provider left and I was rescheduled for 6 months later."

Reviewer on Yelp (referenced via MapQuest)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7][8].

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