Kathryn Joanne Hallsten, MD, Internal Medicine

130 Portola Rd
Ste C
Portola Valley, CA  94028-7825 (San Mateo County)

Phone: 650-385-1970
Fax: 650-851-9701
Email: zam***@*****ol.com

NPI: 1184750861
License Number: G60511 (CA)