Delaware Valley Community Health > For Patients > Our Physicians

Greta Stewart DO
Medical Director

		A graduate from Philadelphia College of Osteopathic Medicine, Dr. Stewart completed her residency at St. Joseph's Hospital in Philadelphia. She joined Delaware Valley Community Health, Inc. in 1999.

Ruby Camarena MD
Physician

		Dr. Camarena earned her Doctor of Medicine Degree in 1987 from Temple University in Philadelphia. She completed her internal medicine residency at Mercy Catholic Medical Center in Darby, Pennsylvania. In 1993, Dr. Camarena joined Delaware Valley Community Health, Inc. and currently practices internal medicine at the Fairmount Primary Care Center.

Irisaida Martinez MD
Physician

		Dr. Martinez earned her Doctor of Medicine Degree in 1982 from Temple University in Philadelphia. In 1985, she completed her pediatric residency at the Albert Einstein Medical Center in Philadelphia. Dr. Martinez joined Delaware Valley Community Health, Inc. in 2007 and currently practices at both, Fairmount Primary Care and Maria de los Santos Health Centers. She is board certified in pediatrics. She is fluent in Spanish.

Clinton Turner MD
Physician

		Dr. Turner earned his Doctor of Medicine Degree in 1980 form the Medical College of Virginia, in Richmond, Virginia. In 1984, he completed his residency in obstetrics and gynecology at the University of Pennsylvania Hospital in Philadelphia. Dr. Turner joined Delaware Valley Community Health, Inc. in 2004 and currently practices at both, Maria de los Santos and Fairmount Primary Care Health Centers. He is board certified in obstetrics and gynecology.

Anje Van Berckelaer
Physician

		Van Berckelaer is a received her MD form Harvard Medical School. She also has her masters in health policy research. Van Berckelaer joined DVCH in the summer of 2011.

Robert Watterson MD
Physician

		Clinical Director of Performance Improvement and Program Development, Dr. Watterson earned his Doctor of Medicine Degree in 1998 from the University of Cincinnati in Ohio. In 2002, he completed a residency in internal medicine/pediatrics at the Albert Einstein Medical Center in Philadelphia. Dr. Watterson joined Delaware Valley Community Health, Inc. in 2008 and currently practices at Maria de los Santos and Fairmount Primary Care Centers. He is board certified in internal medicine and pediatrics.

Donna Sillman MSN, APN-BC
Nurse Practitioner

		Sillman received her degree from the University of Medicine and Dentistry of New Jersey. She has worked as an APN in New Jersey until joining Delaware Valley Community Health, Inc. in 2010.

Amera Amaker PA-C
Physician Assistant

		Amera obtained her Bachelors of Science in Biological Studies from Neumann College. She has worked at both, Bryn Mawr Hospital and Lankenau Hospital before attending Seton Hall for her Masters. She joined Delaware Valley Community Health, Inc. in 2010.

Howard Bembry PA-C
Physician Assistant

		Howard graduated from Hahnemann University School of Health Sciences in 1992 with a Bachelor of Science in Physician Assistant Studies. Shortly thereafter, Howard joined Delaware Valley Community Health, Inc. and is currently a physician assistant at the Fairmount Primary Care Center.

Ryan Clancy PA-C
Physician Assistant

		Ryan earned a Masters of Arts in Kinesiology with a specialization in Exercise Physiology in 2000 from the University of Maryland in College park, Maryland. Post-graduation, Ryan continued his education and earned a Masters of Science in Health Science and Physician Assistant Certificate from George Washington University in 2004. Soon after graduation, Ryan joined Delaware Valley Community Health, Inc, and is currently a Physician Assistant at the Fairmount Primary Care Center at its satellite location at Horizon House.

Daniel McCarty-Prefontaine PA-C
Physician Assistant

		Daniel earned a Bachelor of Science Degree in Physician Assistant Studies from Hahnemann University in Philadelphia, in 1993. Daniel joined Delaware Valley Community Health, Inc. in 1995 and is currently a physician assistant at both the Fairmount Primary Care and Norristown Regional Health Centers. He also serves as the HIV Coordinator.

Elamin Elarbi DMD
Dentist

		In 1984, Dr. Elarbi graduated from the University of Pittsburgh, Pennsylvania, with a Master of Dental Science degree. In 1990 he earned his Doctor of Dental Medicine degree from the University of Pennsylvania, Philadelphia. Dr. Elarbi joined Delaware Valley Community Health, Inc. in 1991 and currently practices dentistry at the Fairmount Primary Care Center, Maria de los Santos Health Center and the Norristown Regional Health Center locations.

Moemen Elmasry DDS
Dentist

		Dr Elmasry is a 1969 graduate of Alexandria University in Egypt where he received his Doctor of Dental Surgery degree. He completed his residency at Alexandria University in 1975 and earned his diploma in oral surgery the same year. In 1978, Dr. Elmasry completed a post - graduate program in dentistry st the University of Pennsylvania in Philadelphia. Dr. Elmasry joined Delaware Valley Community Health, Inc. in 1990, and currently practices at the Fairmount Primary Care Center. He is board certified in dentistry.

Sandy Harmon DDS
Dentist

		Dr. Harmon earned her Doctor of Dental Surgery degree from Meharry Medical College in Nashville, Tennessee in 2001. She completed her general practice residency, in 2003, at Harlem Hospital Center in New York, New York. Dr. harmon joined Delaware Valley Community Health, Inc, in 2004 and currently practices at the Fairmount Primary Care Center.

Barbara Mack
Dental Hygienist

		Barbara earned her Associates in Applied Science - Dental Hygiene from the Community College of Philadelphia in 1987. Soon after graduation, Barbara joined Delaware Valley Community Health, Inc, and is currently a dental hygienist at the Fairmount Primary Care and Maria de los Santos Health Center.

Theresa Thompson
Dental Hygienist

		Thompson earned her Associate Degree in Science (Dental Hygiene) in 1980 from Temple University School of Dental Hygiene in Philadelphia. In 1994, she joined Delaware Valley Community Health, Inc, and currently sees patients at the Fairmount Primary Care and Maria de los Santos Health Centers.

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