Jonathan A. Hemphill, MD
5.0(8 reviews)
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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

DR. Hemphill is an outstanding doctor. He explains everything extremely well and I would recommend everybody that I know to go to him.…

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 0

Specialties

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

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 8
Most Recent Review: 07/12/2026
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Office & Staff Evaluation 5.0

Ease of Getting an Appointment 5.0
Courtesy of Practice Staff 5.0
Office Appearance & Atmosphere 5.0
Handling of Billing Matters 5.0
Average Wait Time 11 to 20 minutes

Provider Evaluation 5.0

Willingness to Spend Time with You 5.0
Accuracy of Diagnosis 5.0
Listening Skills 5.0
Clear Explanations 5.0
Trust in Decision Making 5.0
Post Visit Follow-up 5.0
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Verified Patient

“DR. Hemphill is an outstanding d...”

DR. Hemphill is an outstanding doctor. He explains everything extremely well and I would recommend everybody that I know to go to him.

Anonymous 07/12/2026
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Verified Patient

“Dr Hemphill is great....”

Dr Hemphill is great.

Anonymous 06/26/2026
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Verified Patient

“Always good wiith doctor. EXCEL...”

Always good wiith doctor. EXCELLENT PHYSICIAN

Anonymous 12/10/2025
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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
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Verified Patient

“Everything was fine...”

Everything was fine

Anonymous 06/27/2026
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Verified Patient

“Very considerate, caring....”

Very considerate, caring.

Anonymous 03/15/2026
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Verified Patient

“Dr. Hemphill best do doctor seen...”

Dr. Hemphill best do doctor seen in my 82 years

Anonymous 11/28/2025
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“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

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Affiliated Practices

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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.