For Patients: Medical Records - Houston Methodist Hospital. Doctor Details: 19 rows · Houston Methodist CLEAR LAKE Hospital: Mailing Address: Houston Methodist Clear Lake Hospital Attn: Release of Information/ Medical Records 18300 St. Houston Methodist Dr. Nassau Bay, TX 77058. Complete Patient Access Request Form . Phone:281.333.8832 Fax: 281.333.8872 [email protected] houstonmethodist.org..