Summary

Dr. John Harper is a family medicine and emergency medicine physician who earned his medical degree from Pennsylvania State University College of Medicine. He completed his residency training at United States Naval Medical Center, bringing 25 years of clinical experience to his practice. Dr. Harper is fluent in both English and Spanish.

Dr. Harper is affiliated with El Centro Regional Medical Center and practices at multiple Palomar Health locations throughout Southern California, including Ramona, Poway, and Escondido. He specializes in managing high cholesterol in children and teens, treating hyperlipidemia and hypertension. His clinical expertise includes ordering comprehensive blood work and metabolic panels to monitor patient health. Patients have given him 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, MDJennifer Recker, APRN, FNP-BCSherry Amankwa, MSN, APRN, FNP-CYves Chery, CT, ASCP, APRN, BSN, MSN
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.3 
25 Years of Experience 17 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Ramona , CAChicago , ILBaltimore , MDSUWANEE , GA
Med School: Pennsylvania State University College Of Medicine
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 active medical license in the state of California.

Medical License

Medical Doctor with an active 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

Does Dr. John Ralph Harper accept my insurance?
You can see the insurance plans that Dr. John Ralph Harper accepts on their Vitals profile.
Does Dr. John Ralph Harper accept virtual/telehealth appointments?
Dr. John Ralph Harper has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. John Ralph Harper speak?
Dr. John Ralph Harper speaks English and Spanish.
Which hospitals is Dr. John Ralph Harper affiliated with?
Dr. John Ralph Harper is affiliated with El Centro Regional Medical Center, Palomar Medical Center, and Palomar Medical Center.
How can I make an appointment with Dr. John Ralph Harper?
You can find contact information for Dr. John Ralph Harper here on Vitals.

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