Summary

Interventional cardiology is the focus of Dr. Jonathan Hemphill's practice, bringing 44 years of experience to the care of patients with hypertension and hypertensive emergency. He also performs electrocardiograms, ambulatory EKG monitoring, and contrast echocardiography. He speaks English and Russian.

Dr. Hemphill earned his medical degree from St. George's University School of Medicine and completed his residency at Mount Sinai Hospital. He is affiliated with Mercy San Juan Medical Center and sees patients at locations in Sacramento, Grass Valley, Carmichael, Roseville, and Folsom, California. Patients on Vitals rate Dr. Hemphill 5 out of 5.

Overview based on verified provider data

Quick Facts

  • 5
  • 44 years of experience
  • 40 insurance plans accepted
  • speaks English, Russian
  • Mount Sinai Hospital
  • 33 written reviews
  • 2 specialties
  • 17 areas of expertise
  • 1 hospital affiliation
  • 16 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Jonathan Arn Hemphill has 16 locations

Cardiology - Mercy Medical Plaza - Sacramento, CA (3939 J)

150 Catherine Ln Suite D, F & JGrass Valley, CA 95945

Mercy Medical Group

6555 Coyle Ave Ste 280Carmichael, CA 95608
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

Sutter Roseville Medical Center

1 Medical Plaza DrRoseville, CA 95661

Mercy Hospital Of Folsom

1650 Creekside DrFolsom, CA 95630

Ose Adams Medical Pavilion

2825 Capitol AveSacramento, CA 95816

Mercy General Hospital

4001 J StSacramento, CA 95819

Mercy San Juan Medical Center

6501 Coyle AveCarmichael, CA 95608

Methodist Hospital Of Sacramento

7500 Hospital DrSacramento, CA 95823

Mercy Medical Group

6555 Coyle Ave Suite 280Carmichael, CA 95608

Mercy Medical Group

3939 J St Suite 230Sacramento, CA 95819

Cardiology - Mercy Medical Plaza - Sacramento, CA (3941 J)

3941 J St Suite 260Sacramento, CA 95819

Cardiology and Electrophysiology - Mercy Medical Group - Folsom, CA

1561 Creekside Drive Ste 150Folsom, CA 95630

Compare with Similar Doctors

Dr. Jonathan Arn Hemphill, MD
Dr. Raghav Sharma, MD
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Dr. George Fehrenbacher, MD
Dr. Jonathan Arn Hemphill, MDDr. Raghav Sharma, MDDr. Neil Allen NedleyDr. George Fehrenbacher, MD
CardiologyCardiologyInternal MedicineCardiology
Accepts New Patients
5 
5 
4.4 
3.5 
44 Years of Experience 16 Years of Experience 40 Years of Experience 44 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Russian Speaks English, Hindi Speaks English Speaks Russian, Spanish
Grass Valley , CAWinter Park , FLAuburn , CARoseville , CA
Med School: St Georges University School Of Medicine Med School: New York Medical College Med School: Loma Linda University School Of Medicine Med School: University Of California Davis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Arn Hemphill

  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Oklahoma
  • Blue Cross Blue Shield of Tennessee
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CenCal Health
  • Cigna
  • Golden State Medicare Health Plan
  • Golden State Medicare Health Plan - Medicare
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Humana
  • Imperial Health Plan of California
  • Kaiser Permanente
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Molina Healthcare
  • Partnership HealthPlan of California
  • State Farm
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Dr. Jonathan Arn Hemphill has the following 2 specialties

Specialty Expertise

Dr. Jonathan Arn Hemphill has the following 17 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Infertility
  • Interventional Cardiology
  • Stroke
  • Unstable Angina

Certifications, License, & Education

44 Years Experience

Dr. Jonathan Arn Hemphill 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 2025.

Education & Training

Residency

Completed their residency at Mount Sinai Hospital.

Medical School

Graduated from St Georges University School Of Medicine in 1982.

NPI Number

Dr. Hemphill's NPI number is 1952405326.

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Frequently Asked Questions

Does Dr. Jonathan Hemphill accept my insurance?
You can see the insurance plans that Dr. Jonathan Hemphill accepts on their Vitals profile.
How can I make an appointment with Dr. Jonathan Hemphill?
You can find contact information for Dr. Jonathan Hemphill here on Vitals.
Is Dr. Jonathan Hemphill accepting new patients?
Dr. Jonathan Hemphill has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Jonathan Hemphill speak?
Dr. Jonathan Hemphill speaks English and Russian.
Which hospitals is Dr. Jonathan Hemphill affiliated with?
Dr. Jonathan Hemphill is affiliated with Mercy San Juan Medical Center.

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