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. 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
 Alana grew up in Oakland, Maine. She went to school at the University of Maine in Orono and graduated in 2015 with a major in biology and minors in Chemistry and Equiine Studies. She attended the physician assistant program at Drexel University in Philadelphia and received a Masters in Health Science in 2017. Alana previously worked in Neurosurgery for 4 years prior to coming to dermatology and enjoys horseback riding where she competes in hunter-jumper. She has 3 dogs and is married, no children, and is 1 of 5 siblings.
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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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