Patient Information

To make, change, or cancel an appointment, call our office directly at (805) 485-2400.

Our staff will assist you with your appointment needs and will answer any other questions you may have.

Our staff is bilingual, English/Spanish. En nuestra oficina hablamos Español.

Please remember to always bring necessary documents with you to include the following:

  • Social security number
  • Insurance card, including
    • the insurance company name and address for claims,
    • the policy number
    • Cash, check or major credit card to pay for services not covered by insurance or to pay any deductible and/or co-insurance amount identified by your insurance plan. We accept VISA, MasterCard and Discover.
  • The employer name/address/phone number associated with your insurance (i.e., your employer or your spouse’s)
  • Health Plan Referral Authorization (if required by your health insurance carrier)
  • Medicare card if applicable
  • Name, address, and phone number of your referring physician
    • Check to see if your referring physician has provided us with relevant medical records, x-rays, lab test results. If not, you will need to bring them.
  • ** All of our patient forms are available online to download and complete prior to your first appointment. **

We're Here to Help

Pulmonology & Sleep Disorder Specialists You Can Rely On

When you need top-notch pulmonology care or treatment for a sleep disorder, we’re the specialist you can trust. We provide state-of-the-art diagnostics, comprehensive treatment, and patient-centric service.

Meet Our Team

The experienced team of medical providers at West Coast Pulmonary & Sleep Disorders Center is here to provide you with top-notch care that goes above and beyond to meet your needs. All of our providers are board-certified in internal medicine and many also hold additional board certifications in pulmonary disease, sleep medicine, and critical care medicine. Our bilingual staff can speak English and Spanish for our patients’ convenience.

Allison Wastak, MSN, FNP, AGACNP


Zachary Taich, M.D.


Laura Craver, PA-C


Darren Maehara, M.D.


G. Sofia Nelson, M.D.


Osezemeghonghon (Seze) Obilor, M.D.


Andrew Weymer, M.D.


Movses Hayrabedian, M.D.