Dr. Horacio Kaufmann bought a one-bedroom, one-bath condo at 1 W. 64th St. in Lincoln Square from Claudia Field for $999,000 on Sept. 9.

Unit #2G is in the Harperley Hall, which has an alternate address of 41 Central Park W.

Dr. Kaufmann is a neurologist at Mount Sinai School of Medicine. He is also a professor of medicine and pediatrics at NYU Langone Medical Center.

He earned his M.D. from the University of Buenos Aires in Argentina and trained at Mount Sinai Medical Center.

There are 94 units in the 12-story Harperley Hall development.

According to BlockShopper.com, there were 247 condo sales in Lincoln Square in 2008, with median sales price of $1.125 million.

Address: 1 64th Street, Unit: 2g
Buyer(s): Kaufmann and Horacio
Seller(s): Field and Claudia
Sale date: Sep. 9, 2009