Meet Our Staff!

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Dr. Abubakr Shafi

Dr. Abubakr Shafi is a practicing full time general dentist at Patuxent Dental. After receiving his undergrad degree at UMBC in Maryland, he completed his dental education at Howard University in DC. He went on to complete general practice residency at Saint Francis Hospital in Hartford, CT where he received the award for the best dentist in the program for Comprehensive Dentistry.

Dr. Shafi strives to provide excellent dental care by listening to his patients' needs, educating them, and developing a personalized treatment plan that will allow them to have a healthy beautiful smile.

During his free time he enjoys taking part in outdoor activities, traveling, BBQing, and spending time with his wife.


Dr. Amit Khanna

Dr. Amit Khanna was born in Wilmington, DE and takes pride in helping patients achieve their ideal smiles. After attending one of the few Ivy League dental schools in the nation, he keeps up with the latest dental techniques and procedures through monthly Continuing Education classes. He is involved in the community, he volunteers with Mission of Mercy, does food drives for the local food band in Southern Maryland, and does drives for the Pregnancy CareNet in Southern Maryland. Dr. Khanna won the 2016 Beacon Award through the St. Mary’s Chamber of Commerce. Dr. Khanna was written up in a national dental magazine Dental Economics. Education Georgetown University (B.S.) University of Pennsylvania (D.M.D.) Monthly Continuing Education Courses Professional Memberships

• American Dental Association

• Maryland State Dental Association

• Former Patuxent Dental Society Executive Board member

• Care First Dental Advisory Board Dr. Khanna married his wife in 2003 and they currently live in St. Mary’s County with their cocker spaniel, Ruby, and puggle, Minnie. They have two daughters who are the joy of their lives. In his spare time, Dr. Khanna enjoys scuba diving, watching the Washington Redskins, and playing video games.


Dr. SharminMeraj

Dr. SharminMeraj joined Patuxent Dental in 2013 and began her dental career in 1998. After receiving her B.S. in Biology from Lafayette College, she worked as a research assistant at Strong Memorial Hospital in Rochester, NY. She was accepted to Columbia University College of Dental Medicine, in New York, where she received her DDS degree in 1998. She completed her General Practice Residency (GPR) at Staten Island University Hospital before practicing for four years in private practice in Manhattan. During this time she completed a maxi course in dental implants and has been placing implants since 2004. She relocated to Maryland and has practiced in Charles, St. Mary's and Calvert counties since 2003. Her dental interests include cosmetic and implant dentistry. She hopes to make every patient's dental experience gentle and effortless.

Dr. Randeep Sidhu

Dr. Randeep Sidhu

Dr. Sidhu grew up in Montgomery County, MD. After finishing his Bachelor’s degree at University of California at Santa Barbara, he returned to Maryland to do research at the National Institute of Health....

Tammi Auman

Tammi Auman Office Manager

Hi! My name is Tammi Auman. I am the Office Manager at Patuxent Dental. I have worked for Patuxent Dental for 10 years. I started working in the dental field 20 years ago as a chairside assistant. I grew up in Charles County and I currently reside in St. Mary’s County with my husband, two sons, and dog. In my spare time I enjoy spending time with family and friends.

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Bryana Office Manager Assistant

Hi! My name is Bryana I am the office manager assistant here at Patuxent Dental. I am a southern Maryland native and I would not trade that for the world. I graduated from Chopticon high school in 2015 not only with my diploma but a Endorsement for completing the academy of finance and dual enrollment programs that were offered! I also have completed College of southern Maryland’s Dental assistant program and have passed the DANB Maryland state issued bored exam where I earned my radiology license. When I’m not working at the greatest dental practice ever I enjoy, hiking, kayaking, fishing, cooking and spending quality time wit my family, friends, boyfriend and our babies Saboo and Beta!


Amy Acree Billing Specialist

Amy started her dental career in 2000 as a Registered Dental Assistant after graduating from Palomar Community College's dental assisting program. She worked as a chair side assistant for 10 years, adding an Expanded Functions Dental Assisting (EFDA) license in 2006 after graduating from Harcum College's EFDA program. In 2010 Amy took her knowledge and experience from the back office and became a Treatment Coordinator in the front office. Amy joined the Patuxent Dental team in August 2015 when she moved from California to Maryland.


Kari Gordon Registered Dental Hygienist

Kari joined Patuxent Dental in September of 2012 when she and her family moved to Maryland after her husband Keith retired from 20 years of serving as a helicopter pilot in the US Navy. She has been a Registered Dental Hygienist since 1994 when she graduated with Honors from Pensacola Junior College. She also holds her Bachelor’s degree in Social work from the University of Iowa where she graduated in 1990. Kari was born and raised in Dubuque Iowa. She has lived in Pensacola, FL; Corpus Christi, TX; San Diego, CA; Kailua, HI; Newport, RI and currently resides in Huntingtown, MD.
She has been a Hygienist in many specialty practices including Periodontics, Pedodontics and General dentistry. She is licensed to administer local anesthesia and keeps up with the most current dental research and technology through her continuing education. She is extremely dedicated to the oral health of her patients and strives to make each of their visits pleasant, comfortable and efficient while educating them on how to best maintain healthy teeth and gums.


Kristen Piniewski Registered Dental Hygienist

Kristen is one of our Registered Dental Hygienists. She was born and raised in Morgantown, West Virginia. She discovered a love of the dental field young. She received a Bachelor of Science in Dental Hygiene from West Virginia University School of Dentistry in 2010. After graduating with honors, Kristen moved to Southern Maryland where she has been practicing dentistry since.

Kristen joined Patuxent Dental in 2014. She loves meeting new patients and making sure they have a pleasant experience. She is very passionate about her work and very efficient which ensures her patients leave happy and with a good understanding of their dental needs.

Kristen is very active in the community. She is regularly participating in raising money for charities and volunteering with Patuxent Dental.


Mande Jones Registered Dental Hygienist

Hi! My name is Mande Jones. I am a Registered Dental Hygienist and couldnt't be happier to be a part of the team at Patuxent Dental. I started working in the dental field as a chairside dental assistant during my senior year of Highschool. I continued school at Baltimore City Community College, graduating and earning an Associate of Applied Science in Dental Hygiene in 2004. My goal is to always provide patients with quality care and comfort. In my spare time I enjoy painting/drawing, music, documentaries, hiking, travelling and spending time with family and friends. If I haven't met you yet I look forward to seeing you in the office soon! #teethmatter.


Kaitlyn Niemiec Registered Dental Hygienist

Hi, my name is Kaitlyn Niemiec and I am a Registered Dental Hygienist here at Patuxent Dental. I was born and raised in St. Mary's County and absolutely love it here! In 2018 I graduated from Fortis College in Landover, MD with my Associate of Science Degree in Dental Hygiene. As a dental hygienist, I love helping patients by making sure their trip to the dental office is an enjoyable one!
Volunteering and giving back to the community is something that is very important to me. I have participated in multiple Mission of Mercy, Team Smile and Free Dental Day events.
When I'm not at the office, I enjoy spending time with my family, husband and miniature schnauzer Koda.

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Amber McElroy Registered Dental Hygienist

Hi! My name is Amber McElroy. I am a dental hygienist and I am so excited to be part of the amazing team here at Patuxent Dental. I am passionate about my career and enjoy working with all types of patients. My goal is to provide a positive and comfortable environment for my patients, so their hygiene visits become something they look forward to instead of a dreaded task they have to do. I work hard to ensure my patients have a great experience and leave with the knowledge to properly maintain their oral health at home, tailoring education to each patient's specific needs.
I am a wife to a wonderful husband and proud mom of three beautiful growing kids. I love this career, as it allows me to make an impact on my patients, while still allowing me enough time to be present for my family. I look forward to meeting you and helping you on your path to a beautiful, healthy smile!


Samantha McFadden Registered Dental Hygienist

Samantha Is a new here at Patuxent Dental.


Crystal Walker Dental Assistant Team Leader

Hi, I’m Crystal one of the Dental Assistants here at Patuxent Dental. I’ve been a dental assistant for five years now and absolutely love seeing my patients smile! I am a born and raised Maryland girl and plan on staying here for a very long time! I love spending time with my family, I have a busy three-year-old son and a fiancé! We plan on tying the knot soon and extending our family.


Alyssa Guertin Dental Assistant

Hi! My name is Alyssa and I have been a dental assistant since 2016. I love working hard, being involved in patient care, and making sure that the patient has a great experience! I live in St. Mary’s with my fiancé and dog... I can’t live without family, laughter, good food, and to be surrounded by happy people!

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Jackie Dental Assistant

Hi, I'm Jackie, I'm one of the dental assistants here. I have been in this profession since 2016. I graduated in the dental assisting program at the Dr. James A Forrest Career & Technology Center. I enjoy coming to work everyday helping improve patient smiles in a comfortable environment. I am a local county girl, born and raised of course. When I'm not in the office, I like to spend time with my family and friends ,clean and modify my truck for upcoming local truck shows, and cuddle with my fur baby, Ellie Mae.


Sara Wilhelmi Dental Assistant

Hi there! My name is Sara Wilhelmi and I’ve been working at Patuxent Dental since April 2019. While being a baker and working in the kitchen has been fun, I’m eager to pursue a more fulfilling career while getting to know all the lovely people I’ll be working with!


Jackie Ellis Dental Assistant

Hi! My name is Alyssa and I have been a dental assistant since 2016. I love working hard, being involved in patient care, and making sure that the patient has a great experience! I live in St. Mary’s with my fiancé and dog... I can’t live without family, laughter, good food, and to be surrounded by happy people!

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Kayanna Dental Assistant

Hi! My name is Kayanna. I am a Dental Assistant here at Patuxent Dental. I absolutely love working here and making sure every patient feels comfortable when coming into our office. I graduated from Chopticon in 2019 and on my free time I enjoy spending time with family and friends!


Shelby Wood Sterile Tech

Hi! My name is Shelby Patuxent dental has been the best dental practice i have ever been a part of! Both staff and patients are great!


Tammy Barbour Director of Laboratory Services

Hi! My name is Tammy Barbour, and I have been a dental assistant for 26 years. I have been working with Dr. Khanna since 2006. I am a mother and grandmother, and in my spare time I love spending time with family and friends, fishing, and cooking.

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Ashley Knott Team Lead of Patient care Coordinators

Hello! My name is Ashley and I am a patient care coordinator here at Patuxent Dental. I started my dental career in 2009 when I landed an internship with a local dental practice and was able gain experience in many areas, since then I have loved the dental field! I was born and raised right here in St. Mary’s county where I also continue my education at CSM in business management. My wonderful husband and beautiful little girl keep me busy. In our spare time you can find us at the dirt track or laying by the pool!

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Callie Franzen Patient Care Coordinator

Hello,I’m a Midwest girl who fell in love with the east coast. I have been in the dental field for 2 years now, starting out as a dental assistant and now working up front with the amazing staff at Patuxent Dental. In my free time I enjoy hanging out with my family and friends. I’m obsessed with my german shepherd Xena, coffee is my best friend , and I love being outdoors.

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Lisa Patient Care Coordinator

Hey there! I’ve been with Patuxent Dental since 2017. Originally from Virginia, I moved to Maryland after marrying the love of my life, Josh. In my spare time I enjoy relaxing with my hubby, playing Xbox, hiking, and spending time with family and friends. See ya at the front desk!

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Brittany patient care coordinator

Hi. My name is Brittany. I am born and raised here in Southern Maryland. I am new to the dental field. I previously worked in the heating oil and HVAC industry. Big change in career path but I absolutely love my job here at Patuxent Dental. I enjoy spending time with family and friends, going camping and working on craft projects when I have free time.

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Alison patient care coordinator

Hi I’m Alison I was born in Las Vegas Nevada, But raised in Southern Maryland. I have been working in the Dental field at the front desk for over 2 years. In my spare time I enjoy spending time with my family and traveling with my boyfriend.

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Michele Altman Patient Care Coordinator

Michele is new here at Patuxent Dental.


Sarah Tucker Registered Dental Hygienist

Hi, my name is Sarah Tucker. I graduated from Allegany College of Maryland in 2004 as a Dental Hygienist and have been practicing here in St. Mary’s County since! I have a wonderful husband and two children at home who keep me busy, as well as a 4-legged child, our dog Rumble.

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Shannon Crawford Billing

Shannon is one of our Patient Care Coordinators. She started her career in the dental field in 2012 as a Hygiene Assistant and then became a Patient Care Coordinator. She joined our team in 2014. She grew up in Calvert County and now resides in St. Mary’s County with her husband and 2 daughters. In her spare time, she loves to spend time with her family and friends.

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Amber Sterilization Tech

My name is Amber and heres a little about me ! I have a wonderful husband, two wonderful lab pups named storm and diesel. I also have a cat named precious. I enjoy spending my free time with my husband and furr babies . When I'm not doing that, you can find me gaming, watching horror/syfy movies, reading or out exploring .