Meet our Lake Ridge Staff

Christopher Greetham, PT, COMT, FAAOMPT, MCSP

Physical Therapist / Owner

Chris graduated from the University of Western England in 1983.  After working in England and with the United Nations on third world rehabilitation programs, he came to reside in Lake Ridge, VA in 1990.  He managed several clinics in Northern Virginia and worked at Potomac Hospital before opening Lake Ridge Physical Therapy in 2000.  Chris teaches continuing education courses for Maitland Australian Physiotherapy Seminars to Physical Therapists all over the United States and is a guest faculty at Marymount University and the University of Maryland, Eastern Shore.

Chris is a Maitland Certified Orthopedic Manual Therapist (COMT), a Fellow American Academy of Orthopedic Manual Physical Therapists (FAAOMPT), and a Member of the Chartered Society of Physical Therapists (MCSP).

Hadi Fathalikhani, PT, DPT, COMT, MBA

Physical Therapist / Owner

Dr. Hadi Fathalikhani graduated from J.S.U. with an M.B.A. in 1981 and from N.Y.U.’s Physical Therapy program in 1986. After working in New York for five years, he re-located to the Northern Virginia area. He managed clinics both in Maryland and Virginia, before opening Lake Ridge Physical Therapy in 2000. In the spring of 2008, Hadi graduated from Virginia Commonwealth University with his Doctorate in Physical Therapy.

Hadi is a Maitland Certified Orthopedic Manual Therapist (COMT) and a credentialed Clinical instructor. He is also a member of the American Physical Therapy Association (APTA).

Ali Sadeghi, PT, DPT

Physical Therapist

Dr. Ali Sadeghi graduated from Florida International University with his Doctorate in Physical Therapy in 2016 after he received a B.S. in Health Science from the University of Florida in 2013.  Prior to joining our team in November 2016, Ali worked in several locations in south Florida, providing acute care, in-patient rehabilitation, and orthopedic rehabilitation.  In Ali’s spare time he likes to cheer on his Florida Gators, explore northern Virginia, and find new places to eat.

Ali is a Certified Integrative Dry Needling (CIDN) physical therapist.  He works in both our Lake Ridge and Fusion clinics.

Sebastian Cohen, PT, DPT

Physical Therapist

Dr. Sebastian Cohen graduated from Marymount University with his Doctorate in Physical Therapy in 2017. Prior to this Sebastian graduated with a double major in English and Spanish Literature from the University of Wisconsin at Madison and worked for several years as a technology and import-export consultant in Asia. In Sebastian’s spare time he enjoys learning new languages.

Margaret Nguyen, PTA

Physical Therapy Assistant

Margie graduated from Old Dominion University in 2013 with a Bachelor of Science in Exercise Science. She graduated Cum Laude  from Northern Virginia Community College’s Physical Therapist Assistant program with an Associate in Applied Science in 2018. She enjoys cooking, baking, arts and crafts, participating in 5K’s and mud runs. Margie is fluent in Vietnamese, a member of the American Physical Therapy Association (APTA), and certified Fascial Movement Taping (FMT) through ROCKTAPE.

Margie works in both our Lake Ridge and Fusion clinic.

Lake Ridge’s Administrative Team

Samia Awwad, Director of Operations

Susan Farey, Billing Manager

Kaiana Estes, Office Manager

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Lake Ridge PT

12544 Dillingham Square, Woodbridge, VA  22192

Mon, Wed, Fri: 7am-8pm
Tue & Thu: 8am-8pm
Sat: 8am-12pm

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Fusion PT

12731 Marblestone Drive, Suite 202 Woodbridge, VA  22192

Mon-Fri: 7am-8pm

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