Cardiovascular Specialists of New England: Leading Heart, Vein ...
Cardiovascular Disease • Rochester, NH
About
Cardiovascular Specialists of New England (CSNE) is a private cardiovascular care provider focused on comprehensive heart, vein, and vascular services in New Hampshire, with a mission to redefine heart health. Key details: - Headquarters: Londonderry, NH, USA; 4 offices (Londonderry, Manchester NH, Chelmsford MA, Worcester MA PO Box) - Services: Diagnosis and treatment of general and complex cardiovascular conditions including heart failure, valvular disease, arrhythmia, coronary artery disease, vein and vascular care, and preventative cardiology - Size & status: Privately held, about 23 employees, approximately $19.5M annual revenue - Contact: Phone 1-978-250-9847; website csofne.com - Presence: Active clinical network in New Hampshire with a broader regional footprint in the U.S. (offices in NH and MA) If you’re seeking care in Rochester or proximity to Rochester, note CSNE’s listed locations are NH and MA, so you may want to verify whether they operate or partner with providers in or near Rochester, NY.
Clinic Type
Cardiovascular Disease (multi-location group)
Address
6 Buttrick Road, Londonderry, NH 03053; 769 South Main Street, Manchester, NH 03102
Phone
Fax 833-973-0764 and main phone not provided; use portal or main number from site: 603-323-0883
info@csofne.com
Opening Hours
Monday – Friday: 7:30 AM – 5:00 PM
Website
Telehealth
Telehealth visits available (as indicated by family of scheduling options and Telehealth in options)
Emergency Care
If you have a medical emergency, call 911
Services Offered
Team
Insurance & Payment
—
Languages Spoken
—
FAQs
How can I schedule a new patient appointment?
Options include Schedule a New Patient Appointment through the patient scheduling system on the website.
Can I access my lab/test results and communicate with my provider online?
Yes, via the Patient Portal – sign up to view results, prescriptions, and messages.
What are the hours of operation?
Monday – Friday: 7:30 AM – 5:00 PM.
Where are the clinic locations?
6 Buttrick Road, Londonderry, NH 03053 and 769 South Main Street, Manchester, NH 03102.
What should I do in case of emergency?
Call 911 immediately.
Social Media
Photos








What Patients Say
Overall sentiment across review platforms: very positive
- CardioOne (reviews.cardioone.com): 4.9 out of 5 stars (1,280 reviews)
- MapQuest: Very positive feedback (numerous 5-star-like reviews) (6 reviews (shown on page))
- Healthgrades (Dr. Jeffrey Bleakley): 5.0 star rating (2 reviews)
Patients praise
- High-quality/competent doctors and medical team
- Professional, friendly, and helpful staff
- Timely access to care and efficient office operations
- Clear communication and patient confidence
- Positive experience with procedures/follow-up care (e.g., cardiac monitoring, echocardiogram, valve procedure)
Common complaints
- Some complaints about administrative/appointment errors (wrong tests scheduled) and cancellations (from one reviewer)
- One note that the waiting area is outdated/needing improvement
"“I was happy with the experience. She is highly interactive with fine listening and diagnostic skills.”"
— CardioOne review page for Cardiovascular Specialists of New England"“less than 24 hours later I was seen … Dr. Jeffrey Bleakley! … Rx change, and now wearing a heart monitor!”"
— Patient Testimonials page (csofne.com)"“Extremely professional office with excellent doctors and staff. Every appointment has been on time …”"
— MapQuest listing (reviews snippet)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- St. Joseph Hospital and Cardiovascular Specialists of New England achieve milestone with implant of leadless atrial pacemaker | Health | unionleader.com — May 15, 2026
- St. Joe’s partners with CSNE to perform state’s first Cordella implant | News, Sports, Jobs - The Nashua Telegraph — Jun 20, 2026
- First in New Hampshire: State's First Cordella Implant for Heart Failure Patients - St Joseph Hospital — Jun 20, 2026
Information sourced from the clinic's website as of July 11, 2026.
More cardiovascular disease clinics in Rochester
Frisbie Memorial Hospital in Rochester, NH provides 24/7 emergency care and a range of specialized services, including cardiology-focused resources. The nonprofit hospital is part of HCA Healthcare and lists core adult, inpatient, and outpatient care offerings with key cardiology-adjacent roles (e.g., Emergency Department, ICU/acute care, and surgical services). Contact: 603-332-5211. Address: 11 Whitehall Road, Rochester, NH 03867. For specific cardiology services, call the hospital’s main line or consult the cardiology-related departments through Frisbie’s patient access or operations leadership.
Comparing your options?
See other cardiovascular disease clinics in Rochester, or search the full directory by insurance, ratings, and more.

