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Clinic Type

Cardiology

Address

Fairfield, CA

Phone

(707) 646-4400

Email

feedback@northbay.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Cardiology
  • Interventional Cardiology
  • Invasive Cardiology

Team

  • Jeffrey Breneisen, MD, Video Accepted Health Plans Cardiology, Invasive Cardiology — Cardiologist
  • Ho-Hin Choy, MD, Accepted Health Plans Cardiology, Interventional Cardiology — Cardiologist
  • Milind Dhond, MD, Video Accepted Health Plans Cardiology, Invasive Cardiology — Cardiologist
  • Saba Lahsaei, MD, Video Accepted Health Plans Cardiology, Interventional Cardiology — Cardiologist
  • Mark Villalon, MD, Video Accepted Health Plans Cardiology, Interventional Cardiology — Cardiologist
  • Sarah DiGeorge, NP, Accepted Health Plans Advanced Health Practitioner, Cardiology — Nurse Practitioner
  • Edgardo Galera, NP, Accepted Health Plans Advanced Health Practitioner, Cardiology — Nurse Practitioner
  • Roni-Jo Naval, NP, Accepted Health Plans Advanced Health Practitioner, Cardiology — Nurse Practitioner
  • Rebecca Parker, NP, Accepted Health Plans Advanced Health Practitioner, Cardiology — Nurse Practitioner

Insurance & Payment

  • Accepted Health Plans

Video, Accepted Health Plans, Card

Languages Spoken

FAQs

What cardiovascular specialists are at NorthBay Health in Fairfield?

Cardiologists including Jeffrey Breneisen, MD; Ho-Hin Choy, MD; Milind Dhond, MD; Saba Lahsaei, MD; Mark Villalon, MD; and advanced health practitioners Sarah DiGeorge, NP; Edgardo Galera, NP; Roni-Jo Naval, NP; Rebecca Parker, NP.

What is the address for the cardiology clinic?

2458 Hilborn Rd, Fairfield, CA 94533

Awards & Accreditations

  • Video Accepted Health Plans
  • Interventional Cardiology
  • Invasive Cardiology

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 5.0 stars (7 reviews)
  • Healthgrades: 3.3 stars (3 reviews)
  • Vitals: 2.1 stars (7 ratings)
  • Vitals: 3.8 stars (11 ratings)
  • NorthBay Health Provider Directory: 4.9 stars (281 ratings)
  • NorthBay Health Provider Directory: 4.8 stars (272 ratings)

Patients praise

  • highly experienced specialists with decades of practice
  • positive clinical outcomes and life-saving care for many patients
  • patients feel heard and well-informed by certain doctors
  • comprehensive cardiac care including interventional and diagnostic services

Common complaints

  • unprofessional or rude behavior by medical staff
  • difficult scheduling processes and long wait times on phone
  • billing transparency and high out-of-pocket costs
  • lack of parking at medical facilities

"I left the office feeling more stressed than when I arrived. I would not recommend this doctor to anyone looking for a provider who actually listens to their patients and treats them with basic decency."

Vitals Review for Dr. Javed Nasir

"Dr macherje is not my doctor he was my father s doctor. He saved my father's life more then once. Words could not thank him enough. He is a great doctor. I agree his office staff sucks."

Vitals Review for Dr. Cyrus Mancherje

"The parking is absolutely awful! Or shall I say the lack of."

Yelp review for NorthBay Health Heart & Vascular Center

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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