4.2
5 Ratings with 3 written Reviews
Summary
Interventional cardiology is the focus of Dr. Jon Portnoff's practice, with over 42 years of experience treating atrial fibrillation and hypertension. He also performs contrast echocardiography and transthoracic echocardiograms. Dr. Portnoff is affiliated with Adventist Health Howard Memorial and sees patients in Ukiah and Willits, California. He earned his medical degree from American University of the Caribbean School of Medicine and speaks English and Spanish. Patients on Vitals rate Dr. Portnoff 4.2 out of 5.
Overview based on verified provider data
Quick Facts
- 42 years of experience
- 13 insurance plans accepted
- speaks English, Spanish
- American University Of The Caribbean School Of Medicine
- 3 written reviews
- 3 specialties
- 14 areas of expertise
- 1 hospital affiliation
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Jon Stephen Portnoff has 3 locationsAdventist Heart And Vascular Institute
115 Hospital DrUkiah, CA 95482 Tel: (707) 463-2400
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 - 12:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Jon Stephen Portnoff, MD | Dr. Raghav Sharma, MD | Dr. Allan Garfield, MD | Dr. James Edward Odorisio, MD |
| Cardiology | Cardiology | Cardiology | Vascular Surgery |
| Accepts New Patients | Accepts New Patients | ||
| 42 Years of Experience | 16 Years of Experience | 44 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Hindi | Speaks English, Spanish | Speaks English |
| Ukiah , CA | Winter Park , FL | Santa Rosa , CA | Santa Rosa , CA |
| Med School: American University Of The Caribbean School Of Medicine | Med School: New York Medical College | Med School: University Of Colorado School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jon Stephen Portnoff
Medical Specialties
Dr. Jon Stephen Portnoff has the following 3 specialties
Specialty Expertise
Dr. Jon Stephen Portnoff has the following 14 areas of expertise
Certifications, License, & Education
42 Years Experience
Dr. Jon Stephen Portnoff holds an expired medical license in the state of California.
Medical License
| Position | State | Year | Status |
|---|---|---|---|
| Medical Doctor | California | 2026 | Expired |
Education & Training
Medical School
Graduated from American University Of The Caribbean School Of Medicine in 1984.
NPI Number
Dr. Portnoff's NPI number is 1609874445.
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Frequently Asked Questions
- Which hospitals is Dr. Jon Portnoff affiliated with?
- Dr. Jon Portnoff is affiliated with Adventist Health Howard Memorial.
- Where is Dr. Jon Portnoff's office located?
- Dr. Jon Portnoff's office is located at 115 Hospital Dr, Ukiah, CA, 95482.
- What languages does Dr. Jon Portnoff speak?
- Dr. Jon Portnoff speaks English and Spanish.
- Is Dr. Jon Portnoff accepting new patients?
- Dr. Jon Portnoff has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Jon Portnoff accept virtual/telehealth appointments?
- Dr. Jon Portnoff has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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