Summary

Dr. John Harper specializes in family medicine, sports medicine, and emergency medicine, bringing 25 years of experience to his practice. He earned his medical degree from Pennsylvania State University College of Medicine and completed his residency at the United States Naval Medical Center. Dr. Harper provides care in both English and Spanish, making healthcare accessible to a diverse patient population.

Dr. Harper practices at multiple locations throughout California, including Ramona, Poway, and Escondido, and maintains affiliations with El Centro Regional Medical Center and Palomar Medical Center. He focuses on managing high cholesterol in children and teens, along with treating various lipid disorders that affect families. His practice includes routine blood work and comprehensive metabolic panels to monitor patient health, and he provides flu vaccinations to help prevent seasonal illness. Patients have given Dr. Harper an average rating of 2.3 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.3
  • 25 years of experience
  • speaks English, Spanish
  • United States Naval Medical Center
  • 1 written review
  • 3 specialties
  • 8 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. John Ralph Harper has 3 locations

Palomar Health Main Street

1834 Main StRamona, CA 92065
Mon8:00 am - 5:00 pm
Tue8:00 am - 7:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 12:00 pm
SunClosed

Palomar Medical Center

15615 Pomerado RdPoway, CA 92064

Palomar Medical Center

2185 Citracado PkwyEscondido, CA 92029

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Dr. John Ralph Harper III, MDDr. Samantha Von Ins, MDLora Betron Campos, FNP-BCNicole Baldwin, APRN, FNP-BC
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
4.2 
25 Years of Experience 16 Years of Experience 5 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks Spanish, Vietnamese Speaks English Speaks English
Ramona , CAPlacentia , CABenicia , CAOrlando , FL
Med School: Pennsylvania State University College Of Medicine Med School: University Of California Irvine College Of Medicine Med School: University of Southern California (MSN Family Nurse Practitioner)
Current Profile
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Insurance Plans Accepted by Dr. John Ralph Harper

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Ralph Harper has the following 3 specialties

Specialty Expertise

Dr. John Ralph Harper has the following 8 areas of expertise

  • Check-up
  • Emergency Medicine
  • Flu (Human Influenza)
  • Heartburn
  • Immunization
  • Indigestion
  • Sports Medicine
  • Vaccination

Certifications, License, & Education

25 Years Experience

Dr. John Ralph Harper holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at United States Naval Medical Center.

Medical School

Graduated from Pennsylvania State University College Of Medicine and Pennsylvania State University College Of Medicine in 2001.

NPI Number

Dr. Harper's NPI number is 1720098205.

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Frequently Asked Questions

Where is Dr. John Harper's office located?
Dr. John Harper's office is located at 1834 Main St, Ramona, CA, 92065.
Is Dr. John Harper accepting new patients?
Dr. John Harper is accepting new patients on Vitals. View Dr. John Harper's profile on Vitals to make an appointment.
Does Dr. John Harper accept my insurance?
You can see the insurance plans that Dr. John Harper accepts on their Vitals profile.
What languages does Dr. John Harper speak?
Dr. John Harper speaks English and Spanish.
Does Dr. John Harper accept virtual/telehealth appointments?
Dr. John Harper has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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