Providers
Dr. Orville Hartford, MD
Dr. Hartford is the owner and supervising physician
of Penobscot Valley Dermatology. He is a Board
Certified Dermatologist.
He attended Dartmouth Medical School and
completed his dermatology residency at the
University of Vermont.
Dr. Hartford joined PVD in 2009, and is a native of Calais, Maine.
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Dr. Faith Whalen, MD
 A native of northeastern Pennsylvania, Dr. Whalen graduated summa cum
laude from the University of Scranton with a BS in Biology. She obtained her
M.D. from Temple University School of Medicine, followed by an internship
at Crozer-Chester Medical Center outside of Philadelphia.
She completed her Dermatology residency at Geisinger Medical Center in
Danville, PA where she served as chief resident followed by a
Mohs/Procedural Dermatology fellowship, also at Geisinger.
Dr. Whalen is board certified by the American Board of Dermatology and a
certified member of the American College of Mohs Surgery. She has several publications in peer-reviewed journals, with a focus on skin cancer research, and has performed over 10,000 Mohs procedures as a board certified Mohs micrographic surgeon.
In her free time, she enjoys spending time with her husband and two sons..
Click here for More About Mohs Surgery - American College of Mohs Surgery |
Dr. Carolyn Ellis, DO
 Dr. Ellis is a Board Certified Dermatologist and fellow of
the American Academy of Dermatology. She earned her
BA from Colby College in Waterville and her DO at the
University of New England in Biddeford.
She completed her dermatology residency at Michigan
State University - St. Joseph Mercy Hospital in Ann
Arbor, where she served as Chief Dermatology Resident.
Dr. Ellis is a native of Connecticut, but has many family
ties in Midcoast and Central Maine. She and her husband
are happy to be back in Maine with their daughter and
golden retriever.
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Joining soon: Alana Silverman
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Samantha Mitchell , FNP, DCNP
 Samantha Mitchell is a native of Sherman Mills, Maine. She received
her Bachelor's of Science in Nursing from Husson College in 2006
and began her career at Eastern Maine Medical Center.
In May of 2012, Samantha completed her Master's degree in Nursing
from the Family Nurse Practitioner program at Husson University.
Samantha received her certification through the American Academy of
Nurse Practitioners and joined Penobscot Valley Dermatology in June
2012.
In 2015, Samantha received her certification as a Dermatology
Certified Nurse Practitioner.
She currently resides in central Maine with her husband and four
children. |
Holly Haeberlein, FNP
 Holly Haeberlein is a native of Maine and grew up in Bangor. She
received her Bachelor’s degree in Biology from the College of
Charleston in South Carolina and engaged in several challenging
research projects. She is currently fulfilling her service requirement to
become certified in dermatology.
Eager to return to her hometown and pursue a patient-care career,
Holly enrolled in the University of Southern Maine's Family Nurse
Practitioner program and graduated in 2013 with a Master's degree in
Nursing. Holly received her certification through the American
Academy of Nurse Practitioners and joined Penobscot Valley
Dermatology in October of 2013.
With a strong background in dermatology both as a patient and a
clinician, Holly looks forward to establishing her practice as a member
of the PVD team. |
Douglas Rhoda, PA-C
 Douglas Rhoda is a native of East Millinocket, Maine. He received a BS in Chemistry from Gordon College in Wenham. MA and went on to receive a Masters of Health Professions and Physician Assistant Certificate from Northeastern University in Boston, MA. He has had a long-standing interest in dermatology and chose the specialty for his elective rotation..
After completing his training, Doug moved back to Maine and worked in the Emergency Department at the hospital where he was born. He maintains an interest in medical missions and has participated in two trips to Guatemala with a team that provides medical care to residents of remote mountain villages.
After being a patient of PVD for several years, he was excited to join the team in March of 2020 as a Provider. |
What does DCNP mean?
All PVDs NPs are either Dermatology Certified Nurse Practitioners (DCNP) or working towards advanced certification in dermatology. Becoming a Dermatology Certified Nurse Practitioner (DCNP) requires a Masters degree in nursing, a current NP licensure, a national certification as a NP, a Minimum 3,000 hours of dermatology practice, and passing the dermatology nurse practitioner certification exam. Working towards and obtaining this special dermatology certification demonstrates a commitment to ongoing learning to help provide the best care possible to our patients. In addition to this certification all providers at PVD regularly attend educational conferences to remain up to date with the latest advances in the diagnosis and treatment of dermatologic conditions. |
Dr. Jeffrey Pittis, MD
Dr. Jeffrey Pittis, MD, the founding physician of Penobscot Valley Dermatology retired in November 2012. His wife Mrs. Deborah Pittis, NP retired from the practice in the spring of 2012. We thank them for their many years of service and caring for patients and staff. |
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