Summary

Dr. Andrew Horng is a pediatric dentist practicing in Rockville, MD.  A resident of Montgomery County for over twenty years, he attended the International Baccalaureate Program at Richard Montgomery High School in Rockville, MD.  After graduating from the University of Maryland at College Park with a Bachelor of Science Degree and High Honors in Physiology and Neurobiology, he went on to attend the Baltimore College of Dental Surgery at the University of Maryland at Baltimore, where he earned his Doctorate of Dental Surgery Degree.  Dr. Horng completed a two year general dentistry residency program at the University of North Carolina at Chapel Hill, followed by a two year pediatric dental residency program at the Baltimore College of Dental Surgery at the University of Maryland at Baltimore. 
Practicing dentistry since 2001, Dr. Horng began his career treating pediatric patients in private dental practices in Ellicott City, Maryland and York, Pennsylvania.  He continues to treat patients at the Baltimore College of Dental Surgery, where he has been a clinical instructor since 2005. 
Dr. Horng is a Diplomate of the American Board of Pediatric Dentistry, and an active participant in professional dental associations.  He serves on the executive committees of the Maryland Academy of Pediatric Dentistry, the Maryland State Dental Association for new members, and the Chinese Dental Study Club.  He is also a member of the American Dental Association, the American Academy of Pediatric Dentistry, and the Southern Maryland Dental Society.
An active volunteer and community service provider, Dr. Horng enjoys working with the public and the underprivileged.  Past volunteer experiences include participating with the Operation Smile Dental Mission in Vietnam, the Indian Health Service Dental Mission in Arizona, and the En Chu Kong Hospital Dental Clinic in Taiwan.  When the office schedule permits, Dr. Horng becomes active in the local community, providing dental health presentations to daycare centers, elementary and nursery schools. 
In his spare time Dr. Horng enjoys working out at the gym, participating in sports activities, traveling, photography, and cheering at University of Maryland athletic events.  GO TERPS!
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Quick Facts

  • accepting new patients
  • 3
  • 8 insurance plans accepted
  • 2 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 1 office location
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Location

Rockville Pediatric Dental Llc

121 Congressional Ln Ste 500Rockville, MD 20852

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Dr. Andrew Ing - Jer HorngDr. Armine Grigoryan, DDSDr. Akbar DawoodDr. Urwashi Dubey
DentistryDentistryDentistryDentistry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
15 Years of Experience 23 Years of Experience 21 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Hindi, Urdu, Marathi, Gujarati Speaks English
Rockville , MDELLICOTT CITY , MDVienna , VAWashington , DC
Med School: University of Pennsylvania Med School: Chaudhary Charan Singh University, Santosh Dental College
Current Profile
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Insurance Plans Accepted by Dr. Andrew Ing - Jer Horng

  • Accepts Medicare
  • Aetna
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicaid - Medicaid
  • UnitedHealthcare

Medical Specialties

Dr. Andrew Ing - Jer Horng has the following specialty

Specialty Expertise

Dr. Andrew Ing - Jer Horng has the following 8 areas of expertise

  • Cleaning
  • Dental Check-up
  • Extraction
  • Extractions
  • Fillings
  • Pulp Treatment
  • Sealants
  • Tooth Decay

Certifications, License, & Education

Dr. Andrew Ing - Jer Horng holds an active medical license in the state of Maryland.

Medical License

Doctor Of Dental Surgery with an active medical license in the state of Maryland that expired in 2026.

NPI Number

Dr. Horng's NPI number is 1609967728.

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Frequently Asked Questions

Where is Dr. Andrew Horng's office located?
Dr. Andrew Horng's office is located at 121 Congressional Ln Ste 500, Rockville, MD, 20852.
How can I make an appointment with Dr. Andrew Horng?
You can find contact information for Dr. Andrew Horng here on Vitals.
Is Dr. Andrew Horng accepting new patients?
Dr. Andrew Horng is accepting new patients on Vitals. View Dr. Andrew Horng's profile on Vitals to make an appointment.
Does Dr. Andrew Horng accept virtual/telehealth appointments?
Dr. Andrew Horng has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Andrew Horng accept my insurance?
You can see the insurance plans that Dr. Andrew Horng accepts on their Vitals profile.

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