Beth Lynn, APRN, AGCNS-BC, MSN

Internal Medicine

Beth received her undergraduate degree in education from Texas Tech University. She earned her Master’s Degree in Nursing from The University of Texas at Austin, and completed a clinical rotation at MD Anderson Cancer Center in Houston. Beth is a board-certified Adult-Gerontology Clinical Nurse Specialist, and is a member of Sigma Theta Tau International Honor Society of Nursing. Prior to joining the practice, Beth worked in the field of endocrinology. She enjoys gardening, boating on area lakes, and especially spending time with her husband and son.


Shannon Marsh, APRN, FNP-C, MSN

Family Medicine

Shannon is a board-certified Family Nurse Practitioner with a master’s degree in nursing from Texas State University. Prior to pursuing her masters degree, she worked as an ICU nurse for over 7 years. Before joining Austin Geriatric Specialists, Shannon worked as a provider in a rural primary care clinic. She developed a love for geriatric care during her first job as a nurse in a long term care facility. In her spare time, she enjoys hiking with her husband and 3 year old red heeler, named Pepper, traveling, and exploring Austin and the surrounding hill country. 


Maggie Martin, APRN, FNP, MSN

Family Medicine

Maggie is a board-certified Family Nurse Practitioner with a master's degree in nursing from the University of Texas Health Science Center San Antonio. Prior to joining Ausin Geriatric Specialist, she worked in family medicine for 4.5 years. She started her nursing career at University Medical Center Brackenridge in the ICU and worked there for 7 years. In her free time, she enjoys spending time with her husband and three young daughters.


Mireya Martinez, APRN, FNP-C, MSN

Family Medicine

Mireya is a board-certified Family Nurse Practitioner who received her Master of Science in Nursing from Chamberlain University. Mireya has been a Registered Nurse since 2007 and has worked in an array of settings including ER, Medical-Surgical, School Nursing, and home health. She believes in building relationships of trust with her patients while providing holistic quality care. When she isn’t working, she is busy with her son’s travel hockey team and her daughter’s Elite cheer team. In her free time, she enjoys exploring new restaurants, reading, dancing, and traveling. 


Vicki Matava, APRN, AGCNS-BC, MSN

Family Medicine

Vicki is a board certified Adult Gerontology Clinical Nurse Specialist with a master’s degree in nursing from the University of Texas at Austin. She received her undergraduate degree in biochemistry from Texas A&M. Through her clinical experience in hospice and cardiology, she realized the vital role that advanced practice nurses play in meeting the unique care needs of the growing geriatric population and is excited about providing quality compassionate and holistic care to her patients. In her free time, Vicki enjoys camping, kayaking, swimming, antiquing as well as spending time with and unapologetically bragging on her three absolutely fabulous grown children.


Theresa McCoy, APRN, AGPCNP, MSN

Family Medicine

Theresa is a Board-Certified Adult-Geriatric Primary Care Nurse Practitioner, who received her Master of Science in Nursing from Post University-American Sentinel College of Nursing. Theresa provides compassionate, evidence-based care to help promote quality of life to our aging population. In the last 14 years she has supported our community as a Registered Nurse, Medical-Surgical Charge Nurse, Director of Nursing of Hospice, Instructor at Galen College of Nursing, and Primarily as a Hospice RN Case Manager. When not providing care to our community, she loves to spend time with her family and her numerous rescue animals.


Kazandra "Kacy" Menchaca, APRN, FNP-C, MSN

Family Medicine

Kazandra is a Family Nurse Practitioner certified by the American Academy of Nurse Practitioners. She graduated with a Bachelor of Science in Nursing from Texas A&M International University and attained her Master of Science in Nursing degree from the University of Texas Health Science Center at San Antonio. She joined Austin Geriatric Specialists in 2022 with a goal to provide compassionate, patient-centered, and high quality care to the aging population as well as managing chronic disease conditions. Kazandra enjoys spending time with her family, traveling, and staying active outside. 


Megan Meseck, APRN, AGCNS-BC, MSN

Internal Medicine

 Megan received her RN and MSN as an Adult Gerontology Clinical Nurse Specialist from UT Austin in 2022 and joined Austin Geriatric Specialists soon after. She has worked in Orthopedics/Med-Surg for 2 years prior to graduating. Megan is very passionate about working in the geriatric population. In her free time, she loves to go on hikes with her husband and dog, Sage. 


Arlene Meyer, APRN, AGCNS-BC, MSN

Internal Medicine

Arlene is a board-certified Adult Gerontology Clinical Nurse Specialist with a master’s degree in nursing from the University of Texas at Austin. She really enjoys working with the aging population by providing patients holistic care, counseling to patients and families about disease processes, supporting staff nurses, and ensuring quality of care. Prior to joining the team at AGS, she worked as a registered nurse in critical care. She also obtained a Bachelor of Interior Design from Texas Tech University. In her spare time Arlene enjoys hiking with her dog Clementine, DIY projects, traveling and spending time with friends and family.


Tiffany Miller, APRN, AGACNP-BC, MSN

Internal Medicine

Tiffany Miller is a board certified Adult Gerontology Nurse Practitioner who received her Masters of Science in Nursing from Texas Tech University Health Sciences Center. Prior to joining Austin Geriatric Specialists, Tiffany received her Bachelors of Science in Nursing from Stephen F Austin. She also holds a Bachelors of Science in Biomedical Science from Texas A&M University. Tiffany joined our practice with over 13 years of experience as a critical care registered nurse. She is passionate about promoting quality of life and palliative care while treating acute and chronic conditions for the aging population in our community. In her spare time, she enjoys spending time with her daughter and husband. She also enjoys reading and exploring hiking trails and parks with her family. 


Kiah Morgan, APRN, AGNP-C, MSN

Geriatric Medicine

Kiah is a board-certified Adult-Gerontology Primary Care Nurse Practitioner with a Master of Science in Nursing from the University of Texas at Arlington. Before joining Austin Geriatric Specialists, the majority of her career was spent as a home health RN. During this time, she developed a passion for geriatrics with a focus on prioritizing her patients' quality of life with evidence-based care. Kiah was raised in Austin and is dedicated to serving the community by providing compassionate, holistic care as a geriatric nurse practitioner. In her free time, she loves exploring all that Austin has to offer with her husband, friends, and family. She loves seeing live music, gardening, collecting vinyl records, and traveling.


Sam Morgan, APRN, DNP

Internal Medicine

Sam is a Doctor of Adult/Geriatric Nursing Practice. Sam graduated from the University of Michigan-Flint in 2017. Prior to joining the Austin Geriatric Specialists team, Sam had a 10-year history as a registered nurse in the skilled nursing and long-term care environment, and continues to have a passion for providing individualized and evidenced-based healthcare to the geriatric community. When he is not working, Sam enjoys all sports, traveling, reading, and spending time with family.


Teadra Nealy, APRN, AGACNP, MSN

Family Medicine

Teadra is a board-certified Adult Gerontology Acute Care Nurse Practitioner.  Originally from Tallahassee, Teadra has two sisters - one of which is her identical twin. In her spare time, Teadra enjoys visiting with friends and family, reading romance novels, and going to the gym. Teadra always desired to go back to school and obtain her Master's Degree. She is honored to have become a nurse practitioner and Teadra’s desire is to dedicate her talents and love for people to serve the community here in Central Texas.


Rebecca Nycz, APRN, FNP-C, MSN

Family Medicine

Rebecca received her undergraduate degree in Anthropology from the University of North Texas. She later turned her focus to nursing and went on to obtain an ADN from Blinn College, followed by her BSN through Angelo State University. Her background in nursing was focused on critical care and vascular access. Prior to joining Austin Geriatric Specialists, she completed her MSN from the University of Texas at Arlington and is a certified Family Nurse Practitioner. In her spare time, she enjoys traveling, cooking, reading, and spending time with her friends and family.


Oscar Padron, APRN, AGPCNP, MSN

Internal Medicine

Oscar Padron is a board-certified Adult Gerontology Primary Care Nurse Practitioner serving the Dripping Springs area for Austin Geriatric Specialists. He brings more than 15 years of experience as a registered nurse in critical care, cardiology and electrophysiology. Prior to joining AGS, Oscar led a team of nurses at St. David’s Medical Center in Austin where he was recognized as the hospital’s Nurse of the Year in 2020.  He holds a Master's of Science in Nursing from the University of Cincinnati and Bachelor of Nursing from the University of Texas at Austin. In his spare time, he enjoys staying active and traveling with his wife and two children.


Hong-Ngoc Pham, APRN, AGCNS-BC, MSN

Internal Medicine

Hong is a board-certified Adult-Gerontology Clinical Nurse Specialist. She obtained her RN and MSN from the University of Texas at Austin. Prior to joining Austin Geriatric Specialists, Hong worked in the field of oncology. She has a long-held interest in health promotion and wellness since serving as a Peace Corps Health Volunteer in 2008-2010. Hong is passionate about providing compassionate, evidence-based and holistic care to aging individuals. She enjoys traveling, spending time her friends and family, and is an outdoor enthusiast. 


Jennie Posey, APRN, AGCNS-BC, MSN

Family Medicine

​Jennie is a board-certified Adult-Gerontology Clinical Nurse Specialist, with a Master of Nursing degree from the University of Texas at Austin. Throughout her career in clinical, research, and home-based settings, she has consistently sought to deliver empathetic, individualized, and evidence-based care to all her patients. Jennie's approach to nursing is deeply influenced by her commitment to patient-centered care; she is always striving to foster a collaborative relationship with her patients and their families. Outside of work, Jennie finds joy and balance in life through quality time with her husband and cat, and engaging in hobbies such as exercising, reading, knitting, and baking.


Doris Poston, APRN, FNP-C, DNP

Family Medicine

​Doris Poston earned her BSN from the University of Texas Arlington and her MSN and Family Nurse Practitioner from the first cohort FNP program at Texas A&M University. She will be graduating from Baylor University August 13, 2022, with her DNP. Doris completed her Associates Degree of Nursing at Blinn University. She has 20 years of experience as a Registered Nurse, working mostly in rural and underserved areas for this vulnerable population. Doris has always shown an interest in understanding how using evidence-based research can provide the best care for her patients.


Jody Powell, APRN, FNP-C, MSN

Family Medicine

Jody is a board-certified Family Nurse Practitioner with a Master’s degree in Nursing from The University of Texas at Tyler. He has been working with the geriatric population as a Nurse Practitioner since 2012. Prior to becoming a Nurse Practitioner, he worked as an Emergency Room nurse for 10 years. He enjoys working in the field of geriatrics and strives to provide quality, evidenced based care to provide the highest quality of life for the patients he serves. He enjoys mountain biking, canoeing and spending time with his family.