Write a review about Humboldt Family Medical Care: Mahan Marcelle O MD Your name * Your e-mail * (Not for publication) Your mark * ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * — Required information Send Humboldt Family Medical Care: Mahan Marcelle O MD 1733 Central Avenue, McKinleyville, CA 95519 +1 707-839-4852 View details