Kaleida Health | Buffalo, New York
Primary Care • Buffalo, NY • Since 1998
About
Kaleida Health is a nonprofit, regional healthcare network and the largest provider in Western New York. Key details: - Founded: 1998; Headquartered in Buffalo, NY. - Scope: Manages five hospitals in the Buffalo–Niagara Falls metro area; operates across four offices in Buffalo. - Size: About 2,267 employees; annual revenue around $1.8 billion. - Type and status: Not-for-profit organization (NGO/NFP) with active status. - Contact/locations: HQ at 726 Exchange St., Suite 220, Buffalo, NY 14210; additional offices at 100 High St (Buffalo) and other Buffalo addresses. - Additional context: Formerly known as Millard Fillmore Health System; part of a broader healthcare network in Western New York.
Clinic Type
Primary Care
Address
726 Exchange St., Suite 220, Buffalo, NY 14210, US
Phone
7168818260
mmattison@kaleidahealth.org
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
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Languages Spoken
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Social Media
Photos

What Patients Say
Overall sentiment across review platforms: mixed
- Yelp: 2.5 out of 5 stars (297 reviews)
- Birdeye (Aggregate): 3.8 out of 5 stars (554 reviews)
- Momentary Labs (CMS HCAHPS data): 2 out of 5 stars (3,116 completed patient surveys)
Patients praise
- Some patients report positive outcomes regarding specific medical treatments (e.g., blood clot prevention)
- Majority of patients (approx. 67-86%) willing to recommend the facility according to some data sources
- Ranked as a regional hospital in Buffalo for certain facilities
Common complaints
- Long wait times and delays in care or discharge
- Staff perceived as rude, unprofessional, or uncaring
- Poor communication from medical staff and administration
- Issues with facility cleanliness and noise levels
- Difficulties with billing, administrative processes, or corporate responsiveness
"She has gone without meals because they forget about her... Definitely would not recommend this place!"
— Yelp Review"It's been over 6 hours since I've had a pain shot. This is cruel! They want to give Tylenol for this enormous pain. Go elsewhere for your medical care."
— Yelp Review"The secretary was rude to me and would not give me the price, and kept trying to dismiss my question."
— Birdeye ReviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Kaleida's new health record system is live and working well — Jun 4, 2026
- How Kaleida, Catholic Health and ECMC are preparing for 2027 — Feb 18, 2026
- Kaleida Health Announces Launch of New Patient Record System, Advancing Care Coordination Across Western New York - Brooks-TLC Hospital System, Inc. — Jun 3, 2026
- Kaleida modernizing its electronic health record — Oct 27, 2025
- Buffalo Bills and Kaleida Health aim to impact community health with an extended partnership — Apr 2, 2026
Information sourced from the clinic's website as of July 11, 2026.
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