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Dr. Alexander Tiemeier sees patients in Buffalo as a cardiologist with Trinity Medical WNY PC.
Dr. Tiemeier earned his medical degree at Lake Erie College of Osteopathic Medicine, Bradenton in 2017 — 9 years ago.
Trinity Medical WNY PC's Buffalo location at 2157 Main St, Buffalo, NY 14214 is where Dr. Tiemeier sees patients — appointments by phone at (716) 204-1101. For Medicare patients: Dr. Tiemeier accepts assignment.
Hospital affiliations on file with Medicare: Sisters of Charity Hospital and Mercy Hospital of Buffalo.
Dr. Tiemeier at a glance
- Specialty
- Cardiologist
- Credentials
- DO
- Practice
- Trinity Medical WNY PC
- Address
- 2157 Main St, Buffalo, NY 14214
- Phone
- (716) 204-1101
- Medical school
- Lake Erie College of Osteopathic Medicine, Bradenton (2017)
- Hospital affiliations
- Sisters of Charity Hospital, Mercy Hospital of Buffalo
- Medicare assignment
- Accepts
- NPI number
- 1932632213
- NY license no.
- 334553
Your review of Dr. Tiemeier — wait times, how well things were explained, how you were treated — helps other patients decide.
Medicare, Medicaid and hospitals
- Procedures on Medicare Care Compare
- Pacemaker insertion or repair 41 procedures
- New York Medicaid
- Enrolled fee-for-service provider since 2025. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Mercy Hospital of Buffalo · Sisters of Charity Hospital
Comparing cardiologists? See 48 in Buffalo or 80 across Greater Buffalo.
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Frequently Asked Questions
With Trinity Medical WNY PC, at 2157 Main St, Buffalo, NY 14214.
Call the office at (716) 204-1101.
Yes — Dr. Tiemeier accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Sisters of Charity Hospital and Mercy Hospital of Buffalo.
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