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About Dr. Demion R Cornwall

Dr. Demion R Cornwall, DDS is a Dentist primarily located in La Plata, MD. His specialties include General Dentistry. He speaks English.

Rating Overview

4 Ratings with 1 Comment

The overall average patient rating of Dr. Demion R Cornwall is Excellent. Dr. Demion R Cornwall has been rated by 4 patients. From those 4 patients 1 of those left a comment along with their rating. The overall rating for Dr. Demion R Cornwall is 4.8 of 5.0 stars.

Mapbox Map of Dr. Demion R Cornwall

Primary Address

O W John & Associates

6620 Crain Hwy Ste 204
La Plata, MD 20646
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Dr. Demion R Cornwall has the following 1 specialty

  • General Dentistry

    A dentist is a doctor who diagnoses and treats oral health issues. The most basic services dentists provide are preventative and regular maintenance treatments such as cleanings, fluoride treatments, X-rays (to look for cavities), cavity fillings. He or she also provides advice on proper brushing, flossing, and rinsing for the prevention of plaque buildup.

  • Specialty Expertise

    Dr. Demion R Cornwall has the following 9 expertise

  • Dental Check-up
  • Filling
  • Root Canal
  • Crown
  • Cavity
  • Extraction
  • Cleaning
  • Teeth Cleaning
  • Veneers

Dr. Demion R Cornwall has 0 board certified specialties

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience


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I've been going to Dr. Cornwall for ever 7 years, always fast, courteous and professional. Staff is great too. Thanks Kim, Cheryl, and everyone!

Easy Appointment
Comfortable Office
Advanced Technology
Caring Manner
Pain Minimized
Full Review Rating Breakdown
  • Accepted Insurance

    Dr. Demion R Cornwall accepts the following insurance providers.

  • Aetna
    • Aetna DPPO
  • Ameritas
    • Ameritas PPO
  • Assurant
    • Assurant DHA
    • Assurant DHA Premier
  • CareFirst BCBS
    • CareFirst Regional Preferred Dental PPO
    • CareFirst Regional Traditional Dental
  • Cigna Dental
    • CIGNA Radius Network
    • CIGNA Total DPPO
  • CompBenefits
    • CompBenefits PPO
  • Delta Dental
    • Delta Dental PPO
    • Delta Dental Premier
  • Dental Network of America
    • Dental Network of America DPPO
  • DenteMax
    • DenteMax Dental
  • Guardian Dental
    • Guardian DentalGuard Preferred
  • Humana Dental
    • Humana Dental PPO
  • Principal Dental
    • Principal Dental PPO
  • United Concordia
    • United Concordia Advantage Plus PPO
    • United Concordia Alliance
    • United Concordia National Fee-For-Service
  • United Healthcare Dental
    • United Healthcare Dental PPO

Locations & Directions

O W John & Associates, 6620 Crain Hwy Ste 204, La Plata, MD
  • Similiar Dentists

    Dr. Demion R Cornwall is similar to the following 3 Dentists near La Plata, MD.

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