Sign In
Jonathan A. Hemphill, MD
About ProfilePoints™
4 Patient Reviews
View Phone #Call NowWebsite

Office Hours

  • Fri:8:00am - 5:00pm

Jonathan A. Hemphill, MD

Internal Medicine Physician - Interventional Cardiology

Highlights

  • Board Certified

Biography

Jonathan A. Hemphill, MD is a Internal Medicine Physician - Interventional Cardiology practicing in Grass Valley, CA

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Always good wiith doctor. EXCELLENT PHYSICIAN…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
St. George UniversityDoctorateOtherNot Specified

InstitutionFocusYear
Residency - University of New MexicoOtherNot Specified

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Interventional Cardiology

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 4
Most Recent Review: 12/10/2025
Write a Review

Office & Staff Evaluation

Ease of Getting an Appointment
Courtesy of Practice Staff
Office Appearance & Atmosphere
Handling of Billing Matters
Average Wait Time 11 to 20 minutes

Provider Evaluation

Willingness to Spend Time with You
Accuracy of Diagnosis
Listening Skills
Clear Explanations
Trust in Decision Making
Post Visit Follow-up
Open full review
Verified Patient

“Always good wiith doctor. EXCEL...”

Always good wiith doctor. EXCELLENT PHYSICIAN

Anonymous 12/10/2025
Open full review
Verified Patient

“Dr. Hemphill remains as one of t...”

Dr. Hemphill remains as one of the finest physicians I have ever worked with.

Anonymous 11/11/2025
Open full review
Verified Patient

“Dr. Hemphill best do doctor seen...”

Dr. Hemphill best do doctor seen in my 82 years

Anonymous 11/28/2025
Open full review

“Incredible teacher and motivator”

After My first visit with Dr. Hemphill, I felt that I was listened to and cared about. He took his time in educating me about my condition and made sure all my questions were answered. I am more motivated now to change some of my life patterns to healthier habits to decrease my risk for heart disease. I heartily recommend him.

Judy L. 08/18/2023

Locations

Affiliated Practices

Practice Colleagues

Profile
Padraig O'Neill, MD   -   Internal Medicine Physician
Open Profile

Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Jonathan A. Hemphill, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Jonathan A. Hemphill, MD has not yet specified the insurance plans he accepts.
     

    We use cookies and limited processing of your personal information for our website and services to function. By using our site, you agree to our use of cookies and our privacy policy.
    I Accept