Sleep Medicine at Providence Medical Group

Providence Medical Group provides the only diagnostic site for sleeping disorder patients in Humboldt, Napa and Sonoma Counties, and our convenient locations make it easy for our patients to remain close to home while receiving state-of-the-art care for their sleeping disorders. Call our sleeping disorder experts today and receive the customized health counsel you need to sleep soundly tonight.

Procedures Performed

Sleep Consultations

Individual evaluation with a Board-Certified Sleep Medicine Doctors.

Polysomnography (PSG)

An overnight sleep study in which sleep stages and breathing are monitored.

CPAP Titration Study (CPAP/BIPAP)

Treatment for Sleep Apnea.

MSLT Study

Daytime test that evaluates daytime sleepiness and is a rule-out for Narcolepsy.

MWT Study

Measure the ability of a person to stay awake.

Pulse Oximetry Screening

Overnight monitoring of SaO2 and pulse which is done at home.

Conditions Treated

Sleep Apnea


Restless Legs


Sleep Walking

Our Providers

Sonoma and Napa Providers

Our Sonoma and Napa Provider

Gregory Todd Ackroyd, MD
Gregory Todd Ackroyd, MD
Sleep Medicine
City:  Petaluma
4.8 out of 5

Our Locations

Petaluma - Neurology & Sleep Medicine

Petaluma - Neurology & Sleep Medicine

1476 Professional Dr.
Suite 504
Petaluma, CA 94954
Santa Rosa - Sleep Medicine

Santa Rosa - Sleep Medicine

585 W. College Ave.
Suite A
Santa Rosa, CA 95401