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Dr. Daniel J. Slack sees patients in Manhattan as an endocrinologist with Icahn School of Medicine at Mount Sinai.

Dr. Slack at a glance

Specialty
Endocrinologist
Credentials
MD
Practice
Icahn School of Medicine at Mount Sinai
Address
1 Gustave L Levy Pl, New York, NY 10029
Phone
(212) 659-8551
Other locations
17 E 102nd St, New York, NY 10029; 5 E 98th St, New York, NY 10029
Medical school
University of Maryland School of Medicine (2018)
Hospital affiliations
Mount Sinai Hospital, Mount Sinai West, Mount Sinai Beth Israel
Medicare assignment
Accepts
Telehealth
Available
NPI number
1023512068
NY license no.
309235

University of Maryland School of Medicine is where Dr. Slack went to medical school, graduating in 2018.

You'll find Dr. Slack at 1 Gustave L Levy Pl, New York, NY 10029. Call (212) 659-8551 to schedule. He also has listed practice locations at 17 E 102nd St, New York, NY 10029 and 5 E 98th St, New York, NY 10029. 2843 clinicians bill Medicare through Icahn School of Medicine at Mount Sinai, so it is a large group practice rather than a solo office. For Medicare patients: Dr. Slack accepts assignment. Video (telehealth) appointments are listed as an option.

On the hospital side, Dr. Slack holds affiliations with Mount Sinai Hospital, Mount Sinai West and Mount Sinai Beth Israel.

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Medicare, Medicaid and hospitals

Medicare patients (2024)
54 people with traditional Medicare, average age 73
Most common services billed to Medicare
  • Insertion of needle into vein for collection of blood sample
New York Medicaid
Enrolled fee-for-service provider since 2021. Medicaid managed-care plans keep their own networks, so check with your plan.
Hospital pages
Mount Sinai Beth Israel · Mount Sinai Hospital · Mount Sinai West

Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.

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Frequently Asked Questions

With Icahn School of Medicine at Mount Sinai, at 1 Gustave L Levy Pl, New York, NY 10029.

Call the office at (212) 659-8551.

Yes — Dr. Slack accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.

Mount Sinai Hospital, Mount Sinai West and Mount Sinai Beth Israel.

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