Summary

Dr. John Knapp is an internal medicine and pediatrics physician who has dedicated 37 years to caring for patients of all ages. He earned his medical degree from Louisiana State University School of Medicine in New Orleans, building a strong foundation in comprehensive healthcare. His dual specialty training allows him to provide continuous care from childhood through adulthood, making him a valuable resource for families seeking consistent medical guidance. Dr. Knapp serves patients who speak both English and Spanish.

Dr. Knapp practices at locations in Prairieville, Louisiana, and maintains affiliations with Our Lady Of The Lake Saint Elizabeth Hospital Gonzales and Baton Rouge General Ascension. He focuses on managing high blood pressure in both adult and pediatric populations, including urgent cases requiring immediate attention. His practice emphasizes preventive care through vaccinations, including flu and pneumonia prevention, along with comprehensive health assessments to identify potential risks early. Patients have given Dr. Knapp an average rating of 3.5 on Vitals.
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Overview based on verified provider data

Quick Facts

  • 3.5
  • 37 years of experience
  • speaks English, Spanish
  • Louisiana State University School Of Medicine In New Orleans
  • 3 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John David Knapp has 2 locations

Our Lady Of The Lake Physician Group Dutchtown

14225 Highway 73Prairieville, LA 70769
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Baton Rouge General Ascension

14105 Highway 73Prairieville, LA 70769

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Dr. John David Knapp, MD
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Dr. John David Knapp, MDDr. Lawrence D. Counts, MDDr. Anthony S DifattaDr. Alexander Carl Billioux
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
3.5 
4.5 
37 Years of Experience 30 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Prairieville , LASHREVEPORT , LABaton Rouge , LABaton Rouge , LA
Med School: Louisiana State University School Of Medicine In New Orleans Med School: Wayne State Universtiy School Of Medicine Med School: Johns Hopkins University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John David Knapp

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John David Knapp has the following 2 specialties

Specialty Expertise

Dr. John David Knapp has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Pediatrics
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

37 Years Experience

Dr. John David Knapp holds an expired medical license in the state of Louisiana.

Medical License

Medical Doctor with an expired medical license in the state of Louisiana that expired in 2025.

Education & Training

Medical School

Graduated from Louisiana State University School Of Medicine In New Orleans in 1989.

NPI Number

Dr. Knapp's NPI number is 1669471207.

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Frequently Asked Questions

How can I make an appointment with Dr. John Knapp?
You can find contact information for Dr. John Knapp here on Vitals.
Does Dr. John Knapp accept my insurance?
You can see the insurance plans that Dr. John Knapp accepts on their Vitals profile.
Which hospitals is Dr. John Knapp affiliated with?
Dr. John Knapp is affiliated with Our Lady Of The Lake Saint Elizabeth Hospital Gonzales and Baton Rouge General Ascension.
Does Dr. John Knapp accept virtual/telehealth appointments?
Dr. John Knapp has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. John Knapp accepting new patients?
Dr. John Knapp has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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