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Important Information About Updated Billing Statements
Some patients may receive updated statements related to services provided on or after November 12, 2025. Learn more.

Find a Doctor

Meet our trusted health care providers

Our diverse list of physicians, physician assistants, nurse practitioners, certified midwives and more makes it easier than ever to find an experienced medical professional at a Valleywise Health location near you. With a wide range of specialties, you can be sure you’re receiving the quality care you deserve, every time.

Dr. Iskander & Williams Family

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Shaghayegh Abdollahi, MD
Internal Medicine, Pediatric Care, Adolescent Medicine, Pediatrics
Speaks: English, Italian, Persian (Farsi), Spanish
Nyima Ali, MD
OB/GYN, Obstetrics and Gynecology
Speaks: English, Spanish, Urdu
Fadi Assaf, M.D.
Family Medicine, Family Medicine Physician
Speaks: English
Althea Hoilett Barrett, MD
OB/GYN, Obstetrics and Gynecology
Speaks: English
Sonia Blau WHNP BC
Sonia Blau, APRN, WHNP-BC
OB/GYN, Obstetrics and Gynecology
Speaks: English, French
Sarah Braun, FNP-C
Family Practice, Family Nurse Practitioner
Speaks: English
Xavier Douglas, M.D.
Family Medicine
Speaks: English
Michelle Harbottle, PA-C
Family Medicine
Speaks: Cantonese, English, Spanish
Dr. Ahem Kerim
Internal Medicine
Speaks: English