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Skyhaven Internal Medicine

6 Healthcare Drive, Suite 2
Rochester, NH 03867
Phone: (603) 330-3404
Fax: (603) 332-8175
Hours: Monday through Friday, 8 a.m. to 5 p.m.

We are accessible to our active patients through your secure FollowMyHealth Patient Portal page.


Skyhaven Internal Medicine provides primary health care services for adult patients age 18 years and older. Patients can expect convenient and immediate access to Frisbie Memorial Hospital's network of medical experts and specialized services.  Skyhaven Internal Medicine services include routine physical examinations and the management of chronic health conditions.

Payment and Insurance: All major insurance carriers are accepted, including Medicare and Medicaid

Prescription Note: There is a 24-business hour turnaround for prescription renewals and refills. Requests cannot be filled after normal office hours. Please try to plan ahead so you do not run out of medication at night or on the weekend.

Directions to Skyhaven Internal Medicine.



Paul DeMasi, DO
Dr. DeMasi received his medical degree from Kirksville College of Osteopathic Medicine in Kirksville, Missouri and completed his residency at Saint Barnabas Health Care System/ Union Hospital in Union, New Jersey. He is board certified in Internal Medicine by the American College of Osteopathic Internists. 

Alexander Geller, MD
Dr. Geller received his medical degree in 1980, completed his residency in 1982 and received his Ph.D. in medicine from the Khabarovsk State Medical University in Khabarovsk, Russia. He has also completed a residency in internal medicine at Carney Hospital, Tufts University School of Medicine in Boston, Massachusetts. Dr. Geller is a diplomate of the American Board of Internal Medicine.

Lea Gottfredsen, DO
Dr. Gottfredsen earned her medical degree from the University of New England School of Osteopathic Medicine in Biddeford, Maine. She completed her Residency at the Medical Center of Central Massachusetts Memorial Hospital in Worcester, Mass. Dr. Gottfredsen is a member of the New Hampshire Medical Society; the American Osteopathic Association; the American College of Physicians; and the American College of Osteopathic Internists. She is Board Certified in Internal Medicine by the American Osteopathic Board of Internal Medicine.

Deb Harrigan, MD
Dr. Harrigan received her doctor of medicine degree from Tufts University School of Medicine in Boston, Massachusetts. She completed her residency in family practice at The Family Practice Residency Program at the Hunt in Danvers, Massachusetts. She was previously medical director at Goodwin Community Health Center (formerly Avis Goodwin Community Health Center) and is certified by the American Board of Family Practice.

Deborah Puckhaber, MD
Dr. Puckhaber earned her medical degree from State University of New York at Buffalo School of Medicine and completed her residency at State University of New York at Buffalo Medical/Dental Consortium in Buffalo, New York. She is certified by the American Board of Internal Medicine.

Elizabeth Downs, APRN
Elizabeth Downs received her Master of Science in Nursing degree from UMass Medical School Graduate School of Nursing in Worcester, Massachusetts. Ms. Downs is board certified by the American Nurses Credentialing Center as an Adult Primary Care Nurse Practitioner.

Alexandra Roberts, APRN
Alexandra Roberts received her  Master of Science, Family Nurse Practitioner from the University of South Florida in Tampa, Florida.  Ms. Roberts is board certified by the American Nurses Credentialing Center as an Adult Primary Care Nurse Practitioner.
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