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Dr. Grenye O Malley is an endocrinologist in Manhattan, New York, practicing with Icahn School of Medicine at Mount Sinai.
Medical school: New York University School of Medicine, class of 2013.
The office is at 5 E 98th St, New York, NY 10029; the phone number on record is (212) 241-7975. The group behind the practice, Icahn School of Medicine at Mount Sinai, lists 2843 clinicians with Medicare. For Medicare patients: Dr. O Malley accepts assignment. She is listed as offering telehealth.
On the hospital side, Dr. O Malley holds affiliations with Mount Sinai Hospital, Mount Sinai West and Mount Sinai Beth Israel.
Have you been a patient of Dr. O Malley? A short, fair review — what went well, what didn't — helps the next person choosing an endocrinologist in Manhattan.
Dr. O Malley at a glance
- Specialty
- Endocrinologist
- Credentials
- MD
- Practice
- Icahn School of Medicine at Mount Sinai
- Address
- 5 E 98th St, New York, NY 10029
- Phone
- (212) 241-7975
- Medical school
- New York University School of Medicine (2013)
- Hospital affiliations
- Mount Sinai Hospital, Mount Sinai West, Mount Sinai Beth Israel
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1992048078
- NY license no.
- 285655
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 154 people with traditional Medicare, average age 72
- 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 2018. 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.
Comparing endocrinologists? See 92 in Manhattan or 140 across New York City.
Other endocrinologists in Manhattan
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Frequently Asked Questions
With Icahn School of Medicine at Mount Sinai, at 5 E 98th St, New York, NY 10029.
Call the office at (212) 241-7975.
Yes — Dr. O Malley 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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