Dentists | Office Manager | Hygienists

daniel Dr. Daniel Masciantonio

I have been treating patients in the Prince Frederick area for over 30 years. My original intention coming to southern Maryland from Pittsburg was strictly to enjoy the bay and improved climate, however over the years I have made numerous friends and feel like this is now home to me. Thank you for all your kindness over the years. I hope I can continue to serve you into the distant future.

Education and Experience

  • Indiana University of PA, Undergraduate Studies, Chemistry (1974)
    Participated in both Football and Track
  • Indiana University of PA, Masters Degree, Chemistry (1978)
  • DuBois Central Catholic School, Teacher, (1975)
  • Coached Basketball-Runner up Class Champs
  • U.S. Steel, Plant Engineer, (1975-1978)
  • Bahama Cement Co., Bahama Islands, Process Engineer, (1979)
  • University of Pittsburgh, Doctorate of Dentistry, (1979-1983)
  • Rode a bicycle cross country in 30 days. (Yes, this country), (1982)
  • Attend many continuing education courses. I cannot list them, however the best of the best would be:

    • Dr. Pete Dawson
      Occlusion I, II
    • Dr. Walter Turboflite
      Dr. Pound Denture Techniques
    • Dr. Kois
      Smiles, Occlusion and TMJ
    • IMTEC
      Mini Implants for Dentures (Certification Received)
    • DenMat
      Lumineers (Certification Received)
    • Dodd Dental
      Telescopic Bridges
    • Dr. McSpadden
      Rotary Instruments for Root Canals
    • Invisalign
      Certificates received for I & II
    • Dr. Filastri
      Invisible Clasp Partials
    • Dr. Earl Estep
      Numerous times on all aspects of dentistry
    • Dr. Skip Truitt
      Functional orthopedics and straight wire technique (Certification Received)

ali Dr. Ali Azad

After completing my undergraduate studies at the University of Florida (Gators), I received my Doctorate of Dental Surgery at the University of Maryland Dental School in 1993.  I have been practicing dentistry for the last twenty-two years in Greenbelt and Prince Frederick, Maryland.

In my spare time, I enjoy spending time with my wife, Behnaz and my two sons.  I also enjoy traveling, playing basketball, watching movies and eating chocolate.

    • Member of the American Dental Association
    • Member of the Maryland State Dental Association
    • Imtac Mini Implant Certified
    • Invisalign Certified
    • Lumineer & Snap-On Certified

farzad_azad Dr. Farzad Azad

I have been a practicing general dentist for 19 years.  I am proud to say that ever since graduating from University of Maryland Dental School in 1995, I have never worked anywhere but here in Prince Frederick.

I am the proud father of a little boy, Reza.  I also have two Chihuahuas at home, Mooshi and Chewy.  When I am not at work, you can find me skiing on the slopes or training for the next Marine Corps Marathon.


siamak Dr. Siamak Aalemansour

Since October 2000 I have been practicing dentistry with Prince Frederick Dental Center. I have been married for 14 years to Dr. Farnoush Jamali, a pediatrician who also practiced in Prince Frederick, MD from 2005-2007. We have three children, 1 daughter and 2 sons.

Education and Experience

  • Howard University, Washington, D.C. (1994-1998)
  • Howard University Hospital (1998-1999) GPR-General Practice Residency
  • Practiced at D.C. Dentistry


  • Invisalign Cert 1 (2004)
  • Invisalign Cert 2 (2007)
  • Lumineers Certification (2007) by Denmat

firouzeh Dr. Firouzeh Tahvildary

I graduated from University of Pennsylvania in 2000.  In 2005, I moved to Maryland and have practiced dentistry at Prince Frederick Dental Center ever since.  I feel privileged to work in such a wonderful community.

I have been married for 14 years and have two sons, ages three and five.  In my spare time, I enjoy family activities, traveling, gardening, and cooking. 


jennifer Dr. Jennifer Nguyen

I graduated from the University of Maryland with a Doctorate of Dental Surgery.  I have had the pleasure of working at Prince Frederick Dental Center since 2010.  I love this area and all of my patients.  I cannot see myself anywhere else.

When I am not working, you can find me at the gym or enjoying the outdoors.  I love spending time with my family when I get a chance to travel to my hometown.


pashapour Dr. Ali Pashapour

Education & Experience

  • Oral & Maxillofacial Surgery Certificate, Drexel Univeristy College of Medicine, Philadelphia, PA (2007)
  • Oral & Maxillofacial Surgery, Montefior Medical Center, Bronx, NY (2004)
  • Oral & Maxillofacial Surgery, Medical School at the University of Medicine and Dentistry of New Jersey, Newark, NJ (2003)
  • Doctor of Dental Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA (2001)
  • Dual-Bachelor of Science Degrees in Chemistry and Biochemistry, Georgetown University, Washington D.C. (1995)

I specialize in implant related procedures, extraction of wisdom teeth, IV sedation, treating TMJ and sleep apnea, snoring therapy, biopsies, and BOTOX.

I am fluent in English, Farsi, and French.  My interests include history and photography.  I, also, work at Prince George's County hospital.  I am part of the trauma unit in the emergency room when patients come in with trauma to their face.  I truly enjoy being able to help people.  When I am not working, you might find me playing tennis or volleyball skiing, wind surfing, or just traveling.


Dr_Patel_2_1 Dr. Pratik Patel

I am a native of Virginia and attended Bishop Ireton High School. I graduated from The George Washington University with a Bachelor of Science in Biology and a Bachelor of Arts in Computer Science.  I received a Doctorate of Dental Surgery (D.D.S.) from SUNY at Buffalo, School of Dental Medicine and completed his General Practice Residency at Lehigh Valley Hospital in Allentown, Pennsylvania. After working as a Gener​​al Dentist, I decided to pursue further training and specialize in Endodontics, receiving a Certificate in Endodontics from Columbia University in New York City.

I am a Specialist member of the American Association of Endodontists, a Fellow of the Royal College of Dentists of Canada (FRCDC), and have Specialist Registration with the Royal College of Dental Surgeons of Ontario.  I have performed pro bono work abroad in third world countries, such as in India and Guatemala. 

I enjoy traveling, sports, and outdoor activities.  My favorite teams to watch are the Nationals, Capitals, and Redskins!


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