About Perio1
Proud to be a top-rated periodontal and dental implant practice in Montgomery County and Washington DC
Specialized care, tailored to you

Dr. Gerard Boquel, DDS
Board Certified in Periodontology and Dental Implant Surgery
Dr. Gerard Boquel is a board-certified Periodontist and Implant Surgeon. He has provided premier dental implant surgery and periodontal treatment to the metro Washington DC area for more than 35 years.
Dr. Boquel graduated from Marietta College in 1981 with a Bachelor of Science degree in Biology. He then earned his Doctor of Dental Surgery degree from Georgetown University School of Dentistry in 1986. He continued his dental education with a Periodontics Residency at Rutgers University School of Dental Medicine, which he completed in 1988.
Following his residency, Dr. Boquel returned to Washington, DC, and began private practice in Periodontics and Implant Dentistry. While establishing himself as one of the leading periodontal and dental implant specialists in the Washington DC area, he also taught periodontics at Georgetown University Dental School. In 1990, Dr. Boquel opened his own solo practice in Gaithersburg. In 1992, Dr. Boquel opened his Washington DC office.
In 2018, Dr. Boquel earned the important distinction as a Diplomate of the American Board of Periodontology. This designation represents Dr. Boquel’s personal and professional commitment to the standards of periodontics and continued professional growth through ongoing education and continuous certification. His accreditation as a Diplomate assures his patients that they will receive the highest quality of periodontal and dental implant surgery.
In 2024, Dr. Boquel was named to the Washingtonian Magazine’s “Dental Hall of Fame.” This recognition was granted to him after being continuously named to the Washingtonian Magazine’s best dentist list over the last 14 years. In fact, Dr. Boquel has earned the peer-selected “best dentist” honor every time it has been granted since 1997.
On a personal note, Dr. Boquel has extensive local roots. He was raised in Rockville, Maryland, and attended St. Jude’s School, graduating from Rockville High School. He enjoys cooking and has recently discovered oil painting on canvas and panels.
Dr. Alyssa M. Dierkes, DDS, MS
Dr. Alyssa M. Dierkes is a board-certified periodontist and implant surgeon. She was born and raised in Fairfax, Virginia, where she graduated from W.T. Woodson High School. She attended and graduated from Virginia Tech with a Bachelor of Science in Nutrition.
She attended New York University College of Dentistry, where she earned her Doctor of Dental Surgery (DDS). She was awarded the Ramsdorf Scholarship for merit based on her academic performance.
For periodontal studies, Dr. Dierkes attended the University of Maryland in Baltimore, where she was awarded a post-graduate periodontic scholarship. There, she completed her residency in Periodontics and Implant Surgery.
At the same time she pursued her specialty education in periodontics, Dr. Dierkes obtained a Master’s in Biomedical Sciences at the University of Maryland in Baltimore. She successfully defended her thesis on the interaction of diabetes and peri-implant disease.
Dr. Dierkes has authored two research publications on dental and periodontal issues. While at NYU, she published an article on the use of cone-beam computed tomography (CBCT) in the diagnosis of dental conditions. At the University of Maryland, she authored a textbook chapter on diabetes as a systemic factor in peri-implantitis.
Dr. Dierkes is highly trained in all aspects of periodontal therapy and has a special interest in cosmetic and minimally invasive periodontal-plastic surgery.
She is a diplomate of the American Board of Periodontology and Implant Surgery, which requires her to maintain an elite level of standards through lifelong learning and maintaining contemporary skills. She is a member of the American Academy of Periodontics and a member of Spear Education. Her focus is to provide the highest level of care, combining technical excellence, an eye for esthetics, and compassionate care.
In her free time, Dr. Dierkes enjoys cooking, playing golf, doing Pilates, and spending time with her Pomeranian, Cashew.

Leading Technology Solutions
At our state-of-the-art facilities, we’re committed to providing exceptional periodontal and dental implant care.
Our investment in advanced technology ensures that our patients receive precise, efficient, and comfortable treatments.
What our patients say
Our Offices
Montgomery County
903 Russell Ave.
Suite #300
Gaithersburg, MD 20879
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Monday-Friday: 8:00am–5:00pm
Washington, DC
1350 Connecticut Ave. NW
Suite #305
Washington, DC 20036
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Monday-Friday: 8:00am–5:00pm
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