Patient Portal Login - Little Traverse Primary Care. Health Details: Harbor Springs Phone: (231) 347-5400 Fax: (231) 348-2515 MDVIP- Dr. Wendy Walker Phone: (231) 622-6570 Fax: (231) 348-2515 MDVIP- Dr. Thomas Loomis Phone: (231) 622-6588 Fax: (231) 348-2515 › Verified 3 days ago.