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Experienced
Providers Caring For You And Your Family.
SAME
DAY APPOINTMENTS USUALLY AVAILABLE

Marc Alpert, MD - General / Vascular Surgeon
Lisa
Ceraolo, MD - Internal Medicine
Mary
Cotton CRNP-BC - Nurse Practitioner
Culley K. Christensen, MD - Orthopedic Surgeon
Timothy
Dennen, MD - Family Medicine
Geeta
Krishnan, MD - ENT
Korie Lambert, PA-C - Physician Assistant
Larry
Linnell, MD - Family Medicine and Obstetrics
Larry McCullough, MD - Obstetrician / Gynecologist
Jai
P. Naidu, MD - Pediatrician
Timothy Powell, MD - Obstetrician / Gynecologist

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INTERNAL
MEDICINE

LISA CERAOLO, MD
Board Certified Internal Medicine
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, South Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-2535
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Dr. Lisa
Ceraolo, a board-certified Internal Medicine physician, has joined
the medical staff of Community Health Associates LLC and the medical
staff of Memorial Hospital in Towanda.
Dr. Ceraolo
earned her medical degree from the University of Guadalajara in
Mexico and New York Medical College in Vallhala, New York. She
completed her internal medicine residency program at Lehigh Valley
Hospital through Penn State University.
- Critical
Care Nurse for eleven years
- Available
for patients eighteen years of age and up
- Providing
care for patients with chronic diseases such.as COPD, diabetes,
emphysema, high blood pressure
- Special
interest in women's health concerns
- Dr. Ceraolo
enjoys educating her patients to assist them in taking control
of their own health and wellness.
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General/Vascular Surgeon

Marc Alpert, MD
Board Certified General Surgeon
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, Main Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-4713
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Marc Alpert, MD, Board Certified General Surgeon has joined the medical staff of Memorial Hospital and
Community Health Associates LLC in Towanda.
Dr. Alpert is a graduate of the University of Pennsylvania School of Medicine, Philadelphia, PA.
He completed his surgical internship at Boston University Medical Center, Boston, MA.
Surgical residencies were completed at Boston University Medical Center, Boston, MA and Westchester Medical Center, Valhalla, NY.
Dr. Alpert completed his Vascular Surgery Fellowship at Newark Beth Israel Medical Center, Newark, NJ.
He is Board Certified by the American Board of Surgeons.
Dr. Alpert brings more than 30 years of surgical experience providing both vascular and general surgery.
Examples of services include: surgical procedures of the vascular system, arteries and veins; surgery of the
abdominal organs including intestines, esophagus, stomach, small bowel, colon, liver, pancreas, gallbladder and
thyroid gland. He can also help patients with diseases involving the skin, breast, soft tissue and hernias.
Additionally, Dr. Alpert offers comprehensive wound care solutions.
Dr. Alpert and his wife, Hillary, have two adult daughters. He is an avid history buff with an extensive library of more than 5,000 books.
Dr. Alpert is now accepting new and established patient appointments and will start seeing patients on February 2, 2012. His Community Health Associates LLC office is located at Memorial Hospital's Main Entrance. For an appointment, please call 268-4713.
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Orthopedic Surgeon

Culley K. Christensen, MD
Board Certified Orthopedic Surgeon
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, Main Entrance, Towanda
PHONE NUMBER:
570-268-4713
Culley K. Christensen, MD, Board Certified Orthopedic Surgeon has joined the Medical Staff of
Memorial Hospital and Community Health Associates LLC, Towanda, PA.
He will be available to see patients beginning January 19, 2012.
Dr. Christensen has been certified by the American Board of Orthopedic Surgery since 1981.
He is a graduate of the University of Utah Medical School.
His medical internship was completed at the University of California, Irvine, CA and
his medical residency was completed at Maricopa County Hospital in Phoenix, AZ.
In 1982 he settled in Scottsdale, Arizona and entered private practice.
Over the years his desire to offer his patients comprehensive treatment for
their orthopedic problems led to the founding of Affiliated Orthopedic Specialists.
Dr. Christensen works with his patients to reach their optimal goals for
improved quality of life whether it requires non-surgical or surgical treatment.
Dr. Christensen offers many orthopedic treatments:
- Adult and pediatric trauma
- Disorders and surgical replacement of the shoulders, hips and knees
- Arthritic conditions
- Management and surgical treatment of athletic injuries
- Non-surgical and surgical treatment for musculoskeletal disorders
- Managing all types of injuries including fractures, torn ligaments and overuse injuries
Dr. Christensen enjoys spending time skiing, traveling and keeping up with his children.
Dr. Christensen is now accepting new and established patient appointments. His Community Health Associates LLC office is located at Memorial Hospital's Main Entrance adjacent to the Maternity Center. For an appointment, please call 268-4713.
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CERTIFIED PHYSICIAN ASSISTANT

Korie Lambert, PA-C
Certified Physician Assistant
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, South Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-2535
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Korie Lambert, PA-C, Certified Physician Assistant has joined the Medical Staff of Memorial Hosptial and Community Health Associates LLC in Towanda.
Lambert is a graduate of Sullivan County High School. She graduated Summa Cum Laude with a Bachelor of Science in Medical Studies in 2003 from King's College, Wilkes-Barre, Pa. She continued her education at King's College and graduated in 2004 with her Master's of Science in Physician Assistant studies.
She is certifed by the National Commission on Certification of Physician Assistants. Prior to joining Memorial Hospital's Medical Staff and Community Health Associates LLC, Lambert practiced medicine in the field of psychiatry for five years.
Lambert resides in Sullivan County with her husband, Francis, and their two children, David and Cecelia. She is a volunteer coach for the Sullivan County School District girl's basketball program.
"I really enjoy helping people to take better care of themselves. I know how important it is to listen carefully to each patient. I look forward to providing services to families in our community," Lambert said
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FAMILY
MEDICINE

TIMOTHY DENNEN,
MD
Board Certified Family Medicine
LOCATION and HOURS:
Route 220 North, Shopping Plaza, Dushore
Monday though Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-928-2800
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Dr. Timothy
Dennen, board certified Family Medicine Physician, has joined
the medical staff of Memorial Hospital's Community Health Associates
LLC and the medical staff of Memorial Hospital in Towanda.
Dr. Dennen
earned his medical degree from Jefferson Medical College of Thomas
Jefferson University in Philadelphia, PA. He completed his family
practice residency program in Williamsport, PA. He was named family
practice resident of the year by the Lycoming County Medical Society
in 1987.
In 2006, Dr.
Dennen was named Fellow with the American Academy of Family Physicians.
He is certified in Advanced Cardiac Life Support.
Dr. Dennen's
medical practice is located at 11026, Route 220 North, Suite 2,
in the shopping plaza, Dushore, PA. He will begin seeing patients
on October 19, 2009. Please call 928-2800 for an appointment.
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ENT
- Ear, Nose and Throat Physician and Surgeon

GEETA KRISHNAN,
MD
Board Certified Ear, Nose and Throat Physician and Surgeon
LOCATION
91 Hospital Drive, Memorial Hospital, South Entrance, Towanda
PHONE NUMBER:
570-268-2535
Dr. Geeta Krishnan,
an accomplished board-certified Otolaryngologist, Ear, Nose and
Throat Physician and Surgeon, with more than 26 years of experience,
has joined the medical staff of Memorial Hospital's Community
Health Associates LLC and the medical staff of Memorial Hospital
in Towanda.
Dr. Krishnan
earned her MD degree and completed an Otolaryngology residency
at T.N.M College in Bombay, India. She completed her surgical
residency at Shadyside Hospital in Pittsburgh, PA. She completed
an Otolaryngolgy residency at Geisinger Medical Center, Danville.
Dr. Krishnan
has been Board Certified by the American Board of Otolaryngology
since 1980. Dr. Krishnan enjoyed a solo private practice for many
years in Danville. In 2006, she moved her solo practice to Sunbury.
In February 2009, she joined Memorial Hospital's Community Health
Associates. Dr. Krishnan's medical practice is located at Memorial
Hospital, One Hospital Drive, Towanda.
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FAMILY
MEDICINE and OBSTETRICS

LARRY LINNELL, MD
Board Certified Family Medicine
LOCATION:
42932 Route 6, Suite 1, Wyalusing, PA 18853
At the Wyalusing Valley Children's Center Complex
FULL TIME - Monday - Friday
PHONE NUMBER:
570-746-4722
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Dr. Larry Linnell
is an accomplished board-certified family practice and surgical
obstetrics physician with more than 24 years of experience. In
July 2008 he joined Community Health Associates LLC. He is an
active member of Memorial Hospital's medical staff with privileges
to admit patients to the hospital.
Dr. Linnell
earned his MD degree from Tufts University School of Medicine
in Boston, and completed residency at the Allegheny Family Physicians
residency program in Altoona, Pa. He offered National Health Service
Corps/Private Practice Options solo practice for nine years in
rural Maine and then joined a multi-specialty group in Towanda,
PA for six years. In 1999 Dr. Linnell joined the faculty of the
Eastern New Mexico Family Practice Residency Program. His special
interests are in obstetrics, surgical obstetrics, prenatal ultrasound
and colposcopy.
Dr. Linnell
has been Board Certified by the American Academy of Family Physicians
since 1984. He holds certifications in areas such as:
Advanced Cardiac Life Support
Advanced Life Support in Obstetrics
Pediatric Advanced Life Support
Neonatal Resuscitation Program
Dr. Linnell
is pleased to return to Towanda, having been a past member of
Memorial Hospital's medical staff. Most recently, prior to joining
Community Health Associates LLC, Dr. Linnell enjoyed his solo
family practice including obstetrics and surgical obstetrics in
Artesia, New Mexico.
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Obstetrician / Gynecologist

Larry McCullough, MD
Obstetrician and Gynecologist
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, Main Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-4713
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Dr. Larry McCullough, MD, OB/GYN, is a graduate of the West Virginia University School of Medicine. He completed his residency training in obstetrics and gynecology at Howard University Hospital in Washington, D.C.
Dr. McCullough brings 18 years of clinical practice experience involving routine and high risk obstetrics, obstetric emergencies, office gynecology, and gynecologic laparoscopic surgery. He is also experienced in the management of (but not limited to) contraceptive maintenance, menopausal care, abnormal pap smears, sexually transmitted infections, preventive annual examinations, urinary incontinence, abnormal menstrual bleeding, osteoporosis, premenstrual dysfunctional disorder, adolescent medicine, infertility and chronic pelvic pain.
Dr. McCullough is a husband and father of four. In his leisure time, he enjoys reading the Bible, taking his wife shopping, singing gospel music, and spending quality time with his son and three daughters.
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PEDIATRICIAN

JAI P. NAIDU, MD
Board Certified Pediatrician
LOCATION and HOURS:
37 Pratt Avenue, Memorial Hospital Campus, Towanda
Monday, Tuesday, Wednesday 8:30 am - 4:30 pm; Thursday 8:30
am - 7:00 pm; Friday 8:30 am - 11:30 am
PHONE NUMBER:
570-268-2594
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Dr. Jai P.
Naidu is an accomplished board-certified pediatrician with more
than 30 years of experience providing care to children. In March
2008 he joined Community Health Associates LLC. He is an active
member of Memorial Hospital's medical staff with privileges to
admit patients to the hospital.
Dr. Naidu
completed pediatric medical residencies at St. Barnabas Medical
Center in New Jersey and St. Joseph's Hospital and Medical Center,
in New Jersey. Prior to coming to Towanda, Dr. Naidu enjoyed a
long career of practicing pediatric medicine in the Williamsport
area and was most recently a member of the Geisinger Medical Group
in Montoursville, PA.
"I am
very impressed with Memorial Hospital and their commitment to
providing quality healthcare for children. The on-campus Pediatric
Therapy Clinic provides specialized physical, occupational, and
speech therapies especially for children. I look forward to working
with this dedicated and professional team," said Dr. Naidu.
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Obstetrician / Gynecologist

Timothy Powell, M.D.
Board Certified Obstetrician and Gynecologist
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, Main Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-4713
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Timothy Powell, M.D., Board Certified Obstetrician and Gynecologist with 22 years of experience,
has joined the medical staff of Community Health Associates LLC in Towanda.
Dr. Powell is a graduate of the New York University School of Medicine, New York, NY.
He completed medical residencies at Temple University Hospital, Philadelphia,
PA and Jersey Shore University Hospital, Neptune, New Jersey.
Dr. Powell is Board Certified in Obstetrics and Gynecology by the American Board of Obstetrics and
Gynecology. He is a Fellow of the American College of Obstetrics and Gynecology.
Obstetrics is the medicine of childbirth. Gynecology is medicine that deals with women's reproductive organs.
Dr. Powell is available for same-day appointments to diagnose and treat conditions
of the female reproductive system, including the uterus, cervix, vagina, fallopian tubes, and
ovaries. Additional services include breast exams and Pap smears, treatment for sexually
transmitted diseases (STDs), care during pregnancy and childbirth, treatment of conditions
such as pelvic pain, ovarian cysts, uterine fibroids, endometriosis, irregular periods, and sexual dysfunction.
Dr. Powell may serve as a woman's primary care physician or may diagnose and treat her
alongside her primary care doctor, especially during pregnancy and childbirth.
Dr. Powell and his wife, Cheryl, are the parents of two daughters. He enjoys photography, music and playing the guitar.
Dr. Powell is now accepting new and established patient appointments.
His Community Health Associates LLC office is located at Memorial Hospital's
Main Entrance adjacent to the Maternity Center. For an appointment, please call 268-4713.
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CRNP-BC

Mary Cotton, CRNP-BC
CRNP-BC
LOCATION and HOURS:
91 Hospital Drive, Memorial Hospital, South Entrance, Towanda
Monday - Friday 8:00 am - 4:30 pm
PHONE NUMBER:
570-268-4713
SAME
DAY APPOINTMENTS USUALLY AVAILABLE
Mary Cotton, CRNP-BC, Board Certified Nurse Practitioner, has joined the Medical Staff of Memorial Hospital and Community Health Associates LLC, Towanda, PA.
Cotton has been employed at Memorial Hospital since 1989 as Nurse Manager of the Critical Care Unit and the Cardiac/Pulmonary Rehab and most recently, in addition, served as the Medical Surgical Unit Nurse Manager. She was also the American Heart Association Training Coordinator for Memorial Hospital from 1994 through 2010.
Cotton began her extensive education at Sacred Heart Hospital School of Nursing, Allentown, PA where she earned her Diploma in 1978. She graduated in 1997 from Elmira College having earned her BSN Degree. In June 2011, Cotton graduated with honors from Drexel University's Nurse Practitioner, Philadelphia, PA.
In her role as an Adult Nurse Practitioner, she cares for the medical needs of young adults through geriatrics. She is active in the medical community and serves with the following professional organizations and activities:
- American Association of Cardiovascular and Pulmonary Rehabilitation
- American Association of Critical Care Nurses
- American Nurses Association
- American Heart Association
- Pennsylvania State Nurses Association – District 26
- Tri-State Society for Cardiovascular & Pulmonary Rehabilitation
- Twin Tier Cardiac Rehabilitation Network
Cotton is married to husband, William Cotton and they have two grown children, Patrick & Molly. Mary and Bill reside in Athens.
To make an appointment with Mary Cotton, Board Certified Nurse Practitioner, with Memorial Hospital's Community Health Associates LLC, please call 268-4713.
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Community Health
Associates LLC is a not-for-profit 501(c)(3) company formed by Memorial
Hospital to provide an additional employment choice for much-needed
physicians to come into the Northeastern Pennsylvania region to serve
the families in our communities.
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