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Dr. Cassandra Williams sees patients in Buffalo as an internal medicine physician with Cogent Medical Care PC.
The office is at 565 Abbott Rd Rm 8 632, Buffalo, NY 14220; the phone number on record is (716) 828-2434. She accepts Medicare assignment — useful to know if you are on traditional Medicare.
Hospital affiliations on file with Medicare: Erie County Medical Center and Mercy Hospital of Buffalo.
If Dr. Williams treated you or someone in your family, your experience is exactly what others are looking for. Leave a review below.
About Dr. Williams's practice
- Specialty
- Internal medicine physician
- Credentials
- MD
- Practice
- Cogent Medical Care PC
- Address
- 565 Abbott Rd Rm 8 632, Buffalo, NY 14220
- Phone
- (716) 828-2434
- Hospital affiliations
- Erie County Medical Center, Mercy Hospital of Buffalo
- Medicare assignment
- Accepts
- NPI number
- 1558546820
- NY license no.
- 302772
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 206 people with traditional Medicare, average age 73
- New York Medicaid
- Enrolled fee-for-service provider since 2020. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Erie County Medical Center · Mercy Hospital of Buffalo
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing internists? See 80 in Buffalo or 166 across Greater Buffalo.
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Frequently Asked Questions
With Cogent Medical Care PC, at 565 Abbott Rd Rm 8 632, Buffalo, NY 14220.
Call the office at (716) 828-2434.
Yes — Dr. Williams accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Erie County Medical Center and Mercy Hospital of Buffalo.
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