National Institutes of Health employe Margaret R. Garner has received the Distinguished Service Award from the U.S. Department of Health and Human Services for her volunteer work in Montgomery County. She was one of four winners this year of the department's highest civilian award. Garner volunteers at one of the county's apartment houses for the elderly and the disabled, Leafy House in Forest Glen. She also is a call taker for the Montgomery County Hotline telephone counseling service. Garner is a technical information specialist in population research with NIH's National Institute of Child Health and Human Development in Bethesda. She lives on Princeton Place in Rockville. Catholic U. Alumni Honor 1933 Grad

Joseph F. Zegowitz has received the annual Distinguished Service Award from the Catholic University Alumni Association for his volunteer work with the association's board of governors and with several alumni programs. Zegowitz, a 1933 CU graduate, is a member of the board of directors of National Permanent Savings and Loan Association in Washington. He is a longtime member of the Knights of Columbus and the Catholic Youth Organization. Zegowitz lives on Lambeth Road in Bethesda. Physical Therapist Receives Award

Donald Hiltz, a physical therapist in private practice in North Bethesda for 25 years until he retired in June, has received the Henry and Florence Kendall Award from the Maryland chapter of the American Physical Therapy Association. The annual award recognizes a physical therapist "who has been a dominant force in activities which have significantly affected the professional growth and development of physical therapy." Hiltz, who was an official of Maryland's APTA chapter, now lives in Rainbow City, Ala.