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Meet Our Providers
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Our medical staff consists of board-certified General Practitioners, Physician Assistants, and Dentists whose interests reach beyond general health services. |
Dentists
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| Stacy Guistwite (Hanover) graduated from Harrisburg Area Community College in 1996 with an Associate of Arts Degree in Dental Hygiene. She has previously worked in private practices within the Hanover community. She has over 20 years of clinical experience in the dental profession. She specializes in all aspects of dental hygiene. |
| Inna Kireenkov (York and Hannah Penn) is a registered dental hygienist who earned her degree from Northampton Community Colleges dental hygiene program in 2003. She has previously worked at American Dental Care and at Dr. Barry A. Sherman Associates in Harrisburg. She is a member of the American Dental Hygienists Association and is certified with the Northeast Regional Board of Dentistry. She specializes in cleanings, periodontal disease control, and scaling and root planning. In addition to English, she is fluent in both Russian and Ukrainian. |
 | James Patsis (York and Hannah Penn) earned an AB in Biology at Vassar College and his D.D.S. at Case Western Reserve University. He completed a hospital based general practice residency at Sea View (Staten Island, NYC and Lincoln Hospital (South Bronx, NYC) and has 20 years of clinical experience in dentistry with additional practice focus in the areas of endodontics, orthodontics, oral surgery, and implantology. He has practiced in a multitude of international dental settings including a tour aboard the HMS Tole Mour, a hospital ship serving the Marshall Islands, South Pacific. In 2001, he earned an International MBA, at the Theseus Institute, Sophia Antipolis (Nice) France. Most recently he was a contracted and consulting dentist for Volunteers in Medicine, Great Barrington, MA, and US Army Kwajalein Atoll, South Pacific. He is a member of the Dental Management Coalition and Academy of General Dentistry. He is fluent in French and Greek and speaks basic Italian and Spanish. Dr. Patsis serves as Dental Director for Family First Health. |
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| Joseph Mountain (York and Hannah Penn) earned his D.M.D. from Temple University School of Dentistry in 2004. Before coming to Family First Health, Dr. Mountain was a general practice resident at Lehigh Valley Hospital in Allentown, PA. He is a member of the American Dental Association, the Academy of General Dentistry, and the American Academy of Cosmetic Dentistry. His skills include endodontics, pediatric dentistry, oral surgery, and initial periodontal therapy. |
| LaJuan Mountain (York and Hannah Penn) earned her D.M.D. from Temple University School of Dentistry in 2004. Before coming to Family First Health, Dr. Mountain was a general practice resident at Lehigh Valley Hospital in Allentown, PA. She is a member of the American Dental Association and the Academy of General Dentistry. Her skills include endodontics, pediatric dentistry, oral surgery, and initial periodontal therapy. |
 | Christopher Wherthey, (Hanover) graduated from Penn State University with a Bachelor of Science, and earned his Doctor of Medical Dentistry from the School of Dental Medicine at the University of Pittsburgh. Dr. Wherthey completed his general practice residency at the National Naval Medical Center in Bethesda, MD in 1996. He served as a US Naval Dental Officer from September 1995 through August 2004. He received numerous military awards, including a Navy and Marine Corps Achievement Medal, a National Defense Service Medal, a Global War on Terrorism Service Medal, and a Navy/Marine Corps Overseas Service Ribbon. |
 | Jangyeul Yoon (York and Hannah Penn) has been with Family First Health since September 2002. Dr. Yoon earned his D.D.S. from the State University of New Yorks School of Dental Medicine in Buffalo and specializes in general dentistry. Dr. Yoon speaks Korean in addition to English. |
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Family First Health receives grant support from the United States Department of Health and Human Services, the United Way of York County, the Pennsylvania Department of Health, the York County Community Development Department, the York City Bureau of Health, and the Pennsylvania Commission on Crime and Delinquency.
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Family First Health does not discriminate on the basis of gender, race, creed, color, religious affiliation, national origin, ancestry, age, family status, sexual orientation or disability in either the delivery of services or in its employment practices.Legal Disclaimer |
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