Sil Machado, Ph.D., Ph.D., Licensed Psychologist
Contact Sil Machado, Ph.D.In-person care in Petaluma · Serving Sonoma & Marin County
The best way to reach me is through the contact form above. I aim to respond within 24 hours, often sooner.
You can also reach me by phone at (707) 529-3021. If I am unavailable, please leave a message and I will follow up as soon as possible. I am happy to discuss your concerns briefly and help you determine next steps for care.
Sessions are held in person at my Petaluma office, serving Sonoma & Marin County.
Appointment times
In-person sessions in Petaluma, by appointment. Free 15-minute phone consultation available.
| Day | Hours |
|---|---|
| Monday | Closed |
| Tuesday | 8:00 AM – 5:30 PM |
| Wednesday | Closed |
| Thursday | 1:00 PM – 4:00 PM |
| Friday | Closed |
| Saturday | Closed |
| Sunday | Closed |
If you are not sure whether we are a good match, say so in the homepage contact form or mention it when we speak by phone — my goal is to get you the help you need to feel better, including a referral when someone else is better suited to your situation.

