Arthritis and Rheumatology Specialists
Suburban Outpatient Pavilion
2108 Harrisburg Pike, Suite 200
Lancaster, PA 17604
Phone: (717) 299-1301
Fax: (717) 299-2214
Map and Driving Directions
Ephrata Office
1635 West Main Street
Ephrata, PA 17522
Phone: (717) 738-0777
Office hours:
Main Office
- Monday: 7:45 a.m. - 5:00 p.m.
- Tuesday: 7:45 a.m. - 5:00 p.m.
- Wednesday: 7:45 a.m. - 5:00 p.m.
- Thursday: 7:45 a.m. - 5:00 p.m.
- Friday: 7:45 a.m. - 5:00 p.m.
- Saturday: Closed
- Sunday: Closed
- Telephone operators: 8 a.m. - 4:30 p.m. daily
Ephrata Office
Tuesdays only, varying availability per physician
Osteoporosis Testing Facility
Main Office: Daily, 8:30 a.m. - 4:00 p.m. with some minor variances
Satellite Locations: Days/times vary
What is rheumatology?
Rheumatology involves diseases of the musculoskeletal system. This includes arthritis and other disorders related to the muscles, joints, and bones. Rheumatologists are physicians who are specialists in internal medicine and as sub-specialists in the study and practice of rheumatic diseases. Our rheumatologists also care for patients with osteoporosis and autoimmune diseases.
Meet our newest physician
 Dr. Charles Henderson joined the Arthritis and Rheumatology Specialists team in July 2011. He graduated from William Paterson College in Wayne, N.J., and received his medical degree from the University of Medicine and Dentistry of New Jersey in 1995.
Dr. Henderson completed an internship in family practice in 1996, and a residency in family practice from 1996 -2009 in Dayton, Ohio and York Hospital in York, Pa. He is from New Jersey and currently resides in the Lancaster area with his wife and children
Click on "Providers" above to learn more about our newest physician, and about our entire team.
Richard W. Reese, MD, FACP
Dr. Reese graduated from the Pennsylvania State University, followed by the University of Pittsburgh School of Medicine. He completed his internship and residency at Mercy Hospital in Pittsburgh. In 1978, Dr. Reese completed his Rheumatology Fellowship at the University of Pittsburgh School of Medicine. He then settled in Lancaster and joined Dr. Marlin Wenger in the sub-specialty practice of rheumatology in 1978. Dr. Reese is board-certified in both internal medicine and rheumatology and is a Fellow in both the American College of Physicians and the American College of Rheumatology. He is also a certified Medical Director and a certified clinical densitometrist. Dr. Reese currently serves as the director of the Osteoporosis Testing Facility and co-director of Lancaster General Hospital's Orthopedic Center. He is the current Chief of Rheumatology at Lancaster General Hospital and was a past chairman for the hospital's department of medicine. He is also a past-president of the Central PA Chapter of the Arthritis Foundation. Dr. Reese is married, with two sons and one daughter. |
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Lisa S. Allen, MD, FACP
Joining Drs. Wenger and Reese as part of Arthritis and Rheumatology Specialists in 1991, Dr. Allen graduated summa cum laude in 1982 from Wilkes College in Wilkes Barre. She then graduated from Hahnemann Medical College in Philadelphia and completed her internship and residency at the Allentown Affiliated Hospital. Dr. Allen completed her Rheumatology Fellowship at Thomas Jefferson University in Philadelphia. She is the managing physician of our office. She is board-certified in both internal medicine and rheumatology. She is a Fellow of the American College of Physicians, and a member of the American College of Rheumatology. Dr. Allen is also a certified densitometrist. She is married and is the mother of two daughters and one son. |
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Colleen Matejicka, DO
Dr. Matejicka joined Arthritis and Rheumatology Specialists in 2002. She graduated cum laude from Elizabethtown College and then the Philadelphia College of Osteopathic Medicine in 1997. She completed her internship and residency at Lehigh Valley Hospital in Allentown and her rheumatology fellowship at the Dartmouth-Hitchcock Medical Center in New Hampshire. She is board-certified in both internal medicine and rheumatology, and is also a certified densitometrist. She is a member of the American College of Rheumatology, American Osteopathic Association, and American College of Physicians. Dr. Matejicka is married and a mother of a son and daughter. |
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Sandhya K. Adusumilli, MD
In 2004, Dr. Adusumilli joined Arthritis and Rheumatology Specialists. She graduated with her Bachelor of Medicine/Bachelor in Surgery degree from the Siddhartha Medical College in Vijayawada, India. She then completed her internship and residency at Graduate Hospital in Philadelphia in June 2002. Dr. Adusumilli completed a fellowship in rheumatology at the Albert Einstein Medical Center in Philadelphia. She is board-certified in both internal medicine and rheumatology, and is a certified densitometrist. She is a member of the American College of Rheumatology. Dr. Adusumilli and her husband have settled in Lancaster County and are raising two daughters. |
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Rebecca M. Shepherd, MD, FACP
Dr. Shepherd joined Arthritis and Rheumatology Specialists in 2006. She was valedictorian of her high school class, studied abroad at St. Andrews University in Scotland, and graduated magna cum laude from the University of Texas at Austin in 1995. She then received her doctor of medicine from Vanderbilt School of Medicine in Nashville, Tennessee. Dr. Shepherd completed her residency at Washington University School of Medicine in St. Louis, where she was also a clinical research fellow. She completed a fellowship in rheumatology at the Washington University of Medicine in 2003 and is board-certified in both internal medicine and rheumatology. She is also a certified densitometrist. Dr. Shepherd and her husband, who is also a physician, live in Lancaster County with their son and daughter. |
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Charles F. Henderson, MD
Dr. Henderson joined Arthritis and Rheumatology Specialists in July of 2011. He graduated from William Paterson College in Wayne, New Jersey, and received his medical degree from the University of Medicine and Dentistry of New Jersey in 1995. Dr. Henderson completed an internship in family practice in 1996, and a residency in family practice from 1996 -2009 in Dayton, Ohio and York Hospital in York, PA. He was employed as an Inpatient Medicine Specialist in Dayton, Ohio, from 1998- 2007. He was appointed the director of clinical development at Life Care Hospitals in Dayton, Ohio, from 2005- 2007, and co-director of Hospice of Dayton from 1999-2000. Dr. Henderson then discovered his interest in Rheumatology and completed his Fellowship in Rheumatology at Johns Hopkins in Baltimore, Maryland in 2011. He is board-certified in Family Practice and Internal Medicine. Dr. Henderson is from New Jersey and currently resides in the Lancaster area with his wife and children. |
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Marlin E. Wenger, MD Emeritus
Dr. Wenger was the "founding father" of our practice, opening his office in Lancaster in 1973; he passed away in 2008. He graduated from Pequea Valley High School, Goshen College, and Temple University School of Medicine; completed his internship at Lancaster General Hospital; and had residencies at both the Mayo Clinic and the University of Michigan Medical School. Dr. Wenger was actively involved with Lancaster General Hospital, serving as both vice-president and president of the medical staff, as well as the chief of rheumatology. He was married to Jane Idell Wenger, Ph.D., and they had three children, as well as several grandchildren. Out of deep respect for this special man who was our friend, coworker, mentor, and colleague, Dr. Wenger's name will forever be affiliated with our practice. |
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Specialists Caring for Musculoskeletal Diseases and Disorders
Rheumatologists consult with you and your primary care physician in the diagnosis and treatment of rheumatic disorders or symptoms. Your initial visit includes a general medical evaluation. Follow-up visits are determined from your diagnosis and treatment recommendations.
Services Provided
- Bone Mineral Density/DXA Scans - we perform bone mineral density testing at the Osteoporosis Testing Facilities, which are located at:
- Suburban Outpatient Pavilion
- Norlanco Outpatient Center
- Kissel Hill Outpatient Cente
- Laboratory Testing - laboratory tests, such as bloodwork, are an important diagnostic tool to help identify your type of arthritis/musculoskeletal disease, and are useful in monitoring the progress of some conditions, as well as the response to medication therapy. Most laboratory studies ordered by our doctors are able to be drawn in our office, depending upon your insurance. Test results are discussed with you by the doctor at your return visit; highly abnormal test results are communicated accordingly.
Additional Information
- To schedule an appointment, please call (717) 299- 1301. Please notify us at least 24 hours in advance if you are unable to keep an appointment.
- In the event of a potentially life-threatening emergency, please call 911 immediately.
- A physician is on-call during non-office hours.
- For prescription refills, please call (717) 299-1301 and press option 4 between 8:30 a.m. – 4:30 p.m., Monday – Friday.
- Our doctors participate with many insurance plans, and we will submit charges to those insurances for you. If you have a co-pay, payment is required per your insurance contract at the time of service. Individual insurance policies vary as to what services are covered; you are responsible for amounts not paid by your insurance. If your insurance requires a referral to see a specialist, you are responsible for obtaining the referral from your primary care physician. Itemized receipts are given for your own records or for insurance or income tax purposes. We accept MasterCard, Visa, and Discover, as well as cash and personal checks.
- For efficiency and convenience, our services are billed through Patient Financial Services. Billing and Insurance questions can be directed to (717) 544-4953 or 1-800-647-4419.
Osteoporosis Testing Facilities
Suburban Outpatient PAvilion
2100 Harrisburg Pike, Lancaster PA
Phone: (717) 544-3759
Norlanco Outpatient Center
424 Cloverleaf Road, Elizabethtownr PA
Phone: (717) 544-3759
Kissel Hill Outpatient Center
51 Peters Road, Lititz PA
Phone: (717) 544-3759
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