Leadership & Staff

Mary Lou D'Avino

Mary Louise D’Avino

Chief Executive Officer

Mary Louise D’Avino is a dedicated rehabilitation specialist with more than three decades of clinical and administrative experience in acute, post acute, home health and private practice settings. Mary Lou earned her bachelor’s degree in physical therapy at Ithaca College and her master’s degree in public health at New York University. She has compiled a long record of successful leadership in the rehabilitation community as the director of rehabilitation at the Florence Nightingale Skilled Nursing Facility in New York, New York, the founder and administrator of OmniTherapy Center in Bloomfield, New Jersey, the director of physical therapy services at Coastal Spine/Spine Center of Excellence in Mt. Laurel, New Jersey, and as an associate administrator at HealthSouth City View in Fort Worth, Texas. Through the years, Mary Lou’s guiding philosophy has never changed: Clinical excellence can only be achieved by creating a professional community committed to placing patients’ interests first. This is her watchword and her mission at Fairlawn.

Dr. Twehous

Debra Twehous, M.D.

Medical Director

Prior to her appointment as Fairlawn’s medical director, Dr. Twehous was the hospital’s chief of physical medicine and rehabilitation. She also previously served as a medical director at Spaulding Rehabilitation Hospital in Boston, Massachusetts, the Burbank Rehabilitation Center in Fitchburg, Massachusetts, Farnum Rehabilitation Center at the Cheshire Medical Center in Keene, New Hampshire, and the VA Medical Center in Long Beach, California. Dr. Twehous completed her medical degree and an internship in internal medicine at the University of Texas Health Science Center at San Antonio and her residency in physical medicine and rehabilitation at the University of California at Irvine. An assistant professor in the department of orthopedics and physical medicine at the University of Massachusetts Medical School in Worcester, Dr. Twehous has also held academic positions at Harvard Medical School in Boston and The University of California at Irvine in Orange, California.

Debra Twehous, M.D. is an independent private practice physician whose office is located at the hospital.
Matt Akulonis

Matthew Akulonis

Director of Support Operations

Serving as director of support operations since 1993, Matt administers a variety of clinical support departments, including radiology, pharmacy, food service/nutrition and security/plant operations. He holds a master’s in business and healthcare administration at Anna Maria College and a bachelor’s degree in business administration at the State University of New York. In addition to his role at Fairlawn, Matt joined The Joint Commission as a Life Safety Engineer in 2010 and surveys hospitals for Life Safety Code and the Environment of Care standard compliance.

Paula Bigelow

Paula Bigelow

Director of Quality and Risk Management

Paula manages the hospital’s quality initiatives, including compliance with regulatory agencies and safety policies, as well as management and evaluation of patient satisfaction data. Paula earned her master’s degree in nursing management and administration at the University of Massachusetts, Worcester, and her bachelor’s degree in nursing at Worcester State University. She previously worked in clinical/administrative roles at Hubbard Regional Hospital and HealthSouth Rehabilitation Hospital of Western Massachusetts.

Sonja Cooley Johnson

Sonja Cooley-Johnson

Nurse Manager

Prior to her appointment as chief nursing officer, Sonja served as a nurse manager for 11 years at Fairlawn. In addition to her nursing degree, she has earned certification as a registered rehabilitation nurse (CRRN®) and an IV Midline/PICC nurse. She also completed the Wound Certification Education Institute’s wound care program and is MDS certified. Sonja is a member of the Association of Rehabilitation Nurses.  

Jamie Cormier

Jamie Cormier

Physical Therapy Manager

A licensed physical therapist, Jamie joined Fairlawn in 2012 as a staff physical therapist. In 2015, she was appointed physical therapy manager. Prior to joining Fairlawn, Jamie was a physical therapist at the University Medical Center at Brackenridge, a level-one trauma hospital in Austin, TX.  She holds a master’s degree in physical therapy from Quinnipiac University, Hamden, CT, and is a certified American PT Association clinical instructor. She also holds certification in the National Institutes of Health Stroke Scale.

Nancy Currie

Nancy Currie

Director of Case Management

A licensed clinical social worker, Nancy is the former social service manager for Fallon Community Health Plan’s Summit Eldercare in Worcester, Massachusetts. She also previously worked in administrative and clinical roles at Harrington Hospice in Southbridge, Massachusetts, and Overlook Hospice, Charlton, Massachusetts. A graduate of Clark University, she earned her master’s degree in social work at Springfield College, Springfield, Massachusetts.

DrJordan Eisenstock

Jordan Eisenstock, M.D.

Neuro-rehabilitation Director

A board-certified neurologist and psychiatrist, Dr. Eisenstock is a member of the medical staff at UMass Memorial Medical Center and an assistant professor of neurology and psychiatry at UMass Medical School. He also serves as president of Community Neuroscience Services, a multidisciplinary clinical neurosciences practice headquartered in Westborough, MA.  
A graduate of Georgetown University, Dr. Eisenstock completed his medical degree and a combined residency in neurology and psychiatry at UMass Medical School.  He also holds an MBA from the Isenberg School of Business / UMass, Amherst.  
Nationally, Dr. Eisenstock serves on the board examination committee for the American Board of Psychiatry and Neurology in Chicago. He has also served on the neurology steering committee for the National Quality Forum in Washington, D.C.  Locally, Dr. Eisenstock is the medical director of quality improvement for the psychiatry department at UMass and also sits on the board of directors for the UMass Memorial Healthcare Accountable Care Organization, Inc. 

Jordan Eisenstock, M.D. is an independent private practice physician whose office is located at the hospital.

John Flaherty

John Flaherty


Prior to assuming his position at Fairlawn in October of 2004, John served as an audit manager for Alexander, Aronson, Finning & Co., P.C. in Westborough, Massachusetts. He also previously worked in several financial services positions for UMass Memorial Healthcare, Worcester, Massachusetts. A certified public accountant, John earned his certificate in accounting at Assumption College. He is a graduate of the College of the Holy Cross.

Jacqueline Grady

Jacqueline Grady

Director of Marketing Operations

Jackie manages referral services, admissions, marketing and public relations, and managed care at Fairlawn Rehabilitation Hospital. Prior to assuming her current position in 2008, she served as the hospital's marketing coordinator/referral services supervisor for 10 years. She has also held positions as a clinical coordinator and primary nurse at Fairlawn. A CRRN® (Certified Registered Rehabilitation Nurse) and a graduate of St. Vincent School of Nursing, she earned her bachelor’s degree in nursing at Worcester State College.

Dr Katzen

Marshall Katzen, M.D.

Director of Orthopedic Rehabilitation

Dr. Marshall Katzen, a board-certified orthopedic surgeon, is Fairlawn’s director of orthopedic rehabilitation. He also serves on the medical staff of the Department of Orthopedics at the University of Massachusetts Memorial Medical Center and as an associate professor in orthopedics at UMass School of Medicine, Worcester.

A graduate of Tufts University School of Medicine in Boston, Dr. Katzen completed his residency in general surgery at Boston University Hospital and in orthopedic surgery at Pennsylvania State University’s Hershey Medical Center. Dr. Katzen has been practicing in the Worcester area for many years. He specializes in orthopedic reconstructive surgery.

Dr. Katzen has volunteered his services with Orthopedics Overseas, an international charity, in numerous developing nations. He serves on that organization’s Board of Directors. In 2010 he traveled with Forward in Health to provide post-earthquake emergency services in Haiti.

In 2012 the Worcester District Medical Society named Dr. Katzen the Community Clinician of the Year.

Marshall Katzen, M.D. is an independent private practice physician whose office is located at the hospital.

Linda Larson

Linda Larson

Rehabilitation Manager

A licensed speech-language pathologist and a certified brain injury specialist, Linda has worked at Fairlawn Rehabilitation Hospital since 1988. In addition to treating patients, she serves as the rehabilitation manager for the outpatient department and communication disorders department. Linda earned her master’s degree in speech-language pathology at the University of Massachusetts, where she also completed her bachelor’s degree in communication disorders.  She has presented at a number of professional conferences on topics related to stroke and brain injury.

Linda Lavoie

Linda Lavoie

Rehabilitation Manager

An occupational therapist, Linda earned her advanced master’s degree in occupational therapy with a concentration in physical disabilities and technology at State University of New York at Buffalo, and her bachelor’s degree in occupational therapy at Worcester State University. She is a member of the Massachusetts Association for Occupational Therapy and the American Occupational Therapy Association.

Rosalie Lawless

Rosalie P. Lawless

Director of Human Resources

Prior to joining Fairlawn Rehabilitation Hospital, Rosalie served as the vice president of human resources for the VNA Care Network and Hospice in Worcester, Massachusetts. A graduate of the University of Massachusetts, Amherst, she earned her master’s degree in business administration and advanced certificate in business studies at Anna Maria College. Rosalie is the chairperson of the Central Massachusetts Workforce Investment Board, a member of the Executive Committee of the Massachusetts Workforce Investment Board, and serves as a trustee for Quinsigamond Community College.

Corey Leblanc

Corey LeBlanc

Director of Therapy Operations

Joining Fairlawn in 2002, Corey served as a staff physical therapist until he was appointed physical therapy rehabilitation manager in 2010. In 2015, he assumed his current position as director of therapy operations. He holds a doctorate degree in physical therapy from Simmons College and a master’s degree in physical therapy from Boston University. Named Fairlawn’s Clinician of the Year in 2008 and Employee of the Year in 2014, Corey is a member of the Physical Therapy Clinical Advisory Board at Massachusetts College of Pharmacy and Allied Health Sciences. 

Amelia Monteagudo

Amelia Monteagudo

Nurse Manager

A highly experienced nurse and nurse manager, Amelia earned her bachelor’s degree in nursing at Curry College in Milton, Massachusetts. Prior to joining Fairlawn Rehabilitation Hospital’s staff, she was a nurse manager at New England Sinai Hospital in Stoughton, Massachusetts. Amelia is a veteran of the United States Army and served in Desert Storm. She is a member of the Association of Rehabilitation Nurses, Massachusetts Organization of Nurse Executives and Sigma Theta Tau Nursing Honor Society.

Florence Oppong

Florence Oppong

Nurse Manager

A CRRN® (Certified Registered Rehabilitation Nurse), Florence earned her bachelor’s degree in nursing at Framingham State University and was inducted into Sigma Theta Tau Nursing Honor Society. She previously worked Valley Hospital in Ridgewood, New Jersey, and as a nurse for the Worcester Public Schools. Florence is a member of the Association of Rehabilitation Nurses.

DrValerie Veridiano

Valerie Veridiano, M.D.

Chief of Internal Medicine

A board-certified internal medicine physician, Dr. Veridiano earned her medical degree at the University of Santo Tomas in Manila, Philippines, and completed her residency in Internal Medicine at St. Vincent Hospital in Worcester, Massachusetts. She spent many years as a medical staff member at the Fallon Clinic and currently serves as an instructor in Medicine at the UMass Medical School. Dr. Veridiano is a member of the Massachusetts Medical Society and the Worcester District Medical Society.

Valerie Veridiano, M.D. is an independent private practice physician whose office is located at the hospital.