Sumterville

Alexander Moya- Chief Clinical Officer

Dr. Alexander Moya currently serves as the Chief Clinical Officer for Langley Health Services.   Dr. Moya practices Podiatric Medicine which diagnoses and treats conditions of the foot and ankle. After graduating from University of Florida, Dr. Moya attended Barry University School of Podiatric Medicine.  He then completed a three year residency program at James A. Haley Veterans Hospital.  Dr. Moya spent some time in private practice before joining the Langley team. He enjoys serving the residents of Sumter and Citrus County.

Member ofAmerican Academy of Pediatrics & American College of Pediatrics

Languages Spoken:
English, Hindi, Telugu, Tamil

After completing a pediatric residency program in Brooklyn, New York, Dr. Nallamshetty moved back to Lake County and has been practicing pediatrics here for over 12 years. Dr. Nallamshetty is married, has 2 children and 2 grandchildren. He enjoys traveling, spending time with his family and is very active in the community.

Specialty: Pediatrics

Graduate of: Pediatrics Residency Program – Ponce Health Sciences University, Doctor of Medicine from Universidad Central Del Este

Languages Spoken: Español, English

Location: Ocala, FL

Interests/Hobbies: Travel, photography, trying new foods, physical fitness, serving my church, meditation, spending time with friends & family

Why did you choose healthcare as a career path: To contribute in creating a healthier world and quality care for children, to help children develop healthy habits. To educate parents about how to best care for their children to set them up for a healthy and successful life.
Special interests: Behavioral Health and Obesity Medicine

Deborah “Debbie” Greer has been in nursing for 26 years. She graduated from USF with a doctorate of nursing practice with a specialty in Cardiology. She obtained a Masters Degree as a Family Nurse Practitioner from UCF. Debbie enjoys gardening, fishing, and spending time with her children and grandchildren.

Specialty: Family Practice

Graduate of: Kaplan University

Languages Spoken: English

Location: Sumterville

Interests/Hobbies: Camping and water activities with my husband and kids and hanging out with friends around a bonfire.

Why did you choose healthcare as a career path: I choose healthcare straight out of high school to help others improve their quality of life. I enjoy educating patients and seeing them progress towards their health goals. 

Kathy has been a registered nurse for over 20 years. She graduated from Advent Health University in 2022 with a Master’s degree in Nursing. She is ANCC Board Certified Family Nurse Practitioner. She is a Florida Native and has lived in Sumter county for 11 years. She spends most of her free time with her husband and 3 children. Kathy will be seeing patients at our Sumterville location

Dr. Thao received his Doctor of Podiatric Medicine from Des Moines University Medicine & Health Science. He has experience working in private practice and other health centers similar to Langley. He spends his spare time with his wife and kids exploring various beaches, parks and local flea/farmers’ markets.

Ariana has been working in healthcare for the past 12 years. She graduated from Lake-Sumter Community College in 2010 with her AS degree and started working as a registered nurse soon after. She graduated from University of Central Florida with her bachelor’s degree in nursing in 2013. Most recently, she graduated with her master’s degree in nursing from Eastern Kentucky University to become a psychiatric mental health nurse practitioner. She was born in Mexico but has lived in Central Florida for almost all her life.  Outside of work, she enjoys anything relaxing including reading books, watching television, going to the beach and spending time with her family.

Dr. Kestranek has been working as a dentist for over 35 years. He received his Doctor of Dental Surgery Dental Medicine from Case Western Reserve University School of Dentistry. He believes in in delivering effective and comprehensive care. He greets everyone with a smile and some laughs to make everyone comfortable. While working in his private practice he had the privilege of treating the Cleveland Browns coaches and their families. In addition to private practice, he had the honor to teach as an adjunct professor at Case Western School of Dentistry. He has been married for 17 years to his loving wife and collectively they have 4 children and 6 grandchildren. In his spare time, he loves fishing, boating, attending golf tournaments, and being an awesome grandpa. One of his proudest moments was having the opportunity to hand his son his dental diploma from his alma mater Case Western Reserve School of Dentistry.

Specialty: Pediatrics

Graduate of: Institute of Medical Sciences Banaras Hindu University

Languages Spoken: English, Hindi, Urdu

Location: Sumterville

Interests/Hobbies: Listing to Hindi Music, reading mystery books, seeing new places

Why did you choose healthcare as a career path: I became a physician as I saw the amazing work my mom did as a physician. I became a pediatrician because I wanted to help children who are sick. There is no better better feeling than taking away the pain and illness of a sick child and making them smile again.