SANTA MONICA, Calif.--(BUSINESS WIRE)--National Planning Corporation® (NPC®), one of the country's leading independent broker-dealers, has announced the appointment of Patricia McCallop as vice president and chief compliance officer for the firm. McCallop will be responsible for leading NPC's Compliance team and overseeing the company's adherence to state and federal regulations. She will be based in Santa Monica and report to John C. Johnson, president and chief executive officer, with shared