Jon Stephen Portnoff, MD
Cardiología
Highlights
Edad de los pacientes
- Adult 21-65
- Older Adult >65
Idiomas
- Inglés
Sexo
MasculinoAcerca de Jon Stephen Portnoff
Tipo de proveedor
Médico
Ubicaciones
- Heart & Vascular: Adventist Health
- 115 Hospital Drive, Ukiah, CA 95482
- Get Directions
- phone: 707-463-2400
Educación y entrenamiento
Entrenamientos
- Medical School: American University of the Caribbean
- Fellowship Program: Loma Linda University School of Medicine
- Internship Program: Morristown Memorial Hospital
- Internship Program: Aurora Sinai Medical Center
- Residency Program: Aurora Sinai Medical Center
Seguros aceptados
- Adventist Health Employee Health/Incentive Health
- Aetna
- AH Employee/ Incentive Health
- Anthem Blue Cross
- Blue Shield
- Cigna
- Galaxy
- HealthNet
- HealthSmart
- Medi-cal ORP1
- Medical ORP
- Medicare Part B
- Medicare Railroad
- Medicare RR
- Multiplan1
- Network by Design
- Partnership (Under Hospital TIN)
- Partnership Health Plan
- Tricare
- TriWest
- UHC
- Western Growers
Calificaciones y opiniones
5 out of 5
128 Calificaciones, 32 OpinionesOur providers are at the heart of delivering whole-person care. We encourage patients to share their experiences through a patient satisfaction survey they receive following visits. Provider star ratings are calculated using patient responses to provider-focused questions in this survey. Please see the provider’s star rating and patient reviews below. Thank you for giving Adventist Health the opportunity to support your best health.
- 5 out of 5 starsReviewed on 3/27/2026
I waited the 4 months for my appointment because I wanted specifically to see Dr.Portnoff. I was very impressed with his knowledge and the respect with which I was treated. I will be returning to his office for more testing and care.
- 5 out of 5 starsReviewed on 2/20/2026
Very attentive and knowledgeable physician. Fortunate to be under his healing care.
- 5 out of 5 starsReviewed on 2/19/2026
Dr Portnoff is the best Dr I've ever had!
- 5 out of 5 starsReviewed on 2/14/2026
Great help
- 5 out of 5 starsReviewed on 2/12/2026
Excellent, Dr Portnoff always explains things very clearly and pleasantly, thank you
- 5 out of 5 starsReviewed on 2/8/2026
Dr. Portnoff is always positive and has a very gentle manner!
- 5 out of 5 starsReviewed on 1/29/2026
Dr Portnoff is very knowledgeable,professional and kind, and takes time to thoroughly address questions.
- 5 out of 5 starsReviewed on 12/31/2025
Dr. Portnoff is above and beyond!
- 5 out of 5 starsReviewed on 12/31/2025
Such a great doctor, patient and open to answering all my questions
- 5 out of 5 starsReviewed on 12/27/2025
Professional good sense of humor
- 5 out of 5 starsReviewed on 11/16/2025
Dr. Portnoff is always a joy to have an appt with.
- 5 out of 5 starsReviewed on 10/23/2025
Excellent bed side manner'. Good listener and simple explanations given to understand my condition.
- 5 out of 5 starsReviewed on 10/16/2025
The good doctor has been keeping an eye on me for over 13 years.
- 5 out of 5 starsReviewed on 10/9/2025
Everything went well !
- 5 out of 5 starsReviewed on 10/9/2025
Caring professional
- 5 out of 5 starsReviewed on 10/9/2025
Very compassionate
- 5 out of 5 starsReviewed on 10/2/2025
Doctor Portnoff has always been great to me and explains everything
- 5 out of 5 starsReviewed on 9/26/2025
Dr. Portnoff professional, skilled and caring
- 5 out of 5 starsReviewed on 9/8/2025
Dr Portnoff is always professional, kind and caring. He always listens to my questions and answers them fully. He is very patient and I never feel rushed. He is an excellent physican!
- 5 out of 5 starsReviewed on 8/13/2025
Dr. Portnoff always listens and is very present in the conversation.
- 5 out of 5 starsReviewed on 8/9/2025
Love that he listens and advises you knows his stuff.
- 5 out of 5 starsReviewed on 7/31/2025
Dr Portnoff is knowledgeable, kind, and listens well. Appreciative of his care
- 5 out of 5 starsReviewed on 7/11/2025
Dr Portnoff was very good and I would easily recommend d him to an acquaintance.
- 5 out of 5 starsReviewed on 7/3/2025
Love Dr Portnoff
- 5 out of 5 starsReviewed on 7/3/2025
Very nice visit and discussion with Dr. Portnoff.
- 5 out of 5 starsReviewed on 6/26/2025
Love Dr Portnoff
- 5 out of 5 starsReviewed on 6/26/2025
Dr. Portnoff is a patient listener.
- 5 out of 5 starsReviewed on 6/23/2025
Very nice asked good questions,listened to me very carefully never seemed rushed
- 5 out of 5 starsReviewed on 5/30/2025
Dr Portnoff is great recommend him to everybody
- 5 out of 5 starsReviewed on 5/20/2025
Dr. Portnoff should never retire! He is the bomb! I mean that in a good way
- 5 out of 5 starsReviewed on 5/7/2025
Dr. Portnoff is above and beyond! Very professional.
- 5 out of 5 starsReviewed on 4/15/2025
I'm so relieved of my health concern after the detail explanation from the Doctor. I'm so happy and satisfied with the caring and concerns that provided by the doctor. He is super nice, friendly and awesome!