Quick answers
- Where does Ganesh Sivakumar see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Ganesh Sivakumar's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ganesh Sivakumar accept Medicare assignment?
- Yes. Medicare's clinician data says Ganesh Sivakumar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Ganesh Sivakumar offer telehealth?
- Medicare's clinician data says Ganesh Sivakumar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ganesh Sivakumar?
- (212) 988-1083, as listed in official Medicare / NPI Registry data.
- What is Ganesh Sivakumar's NPI number?
- 1619626728. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ganesh Sivakumar is enrolled with Medicare (CMS data updated 2026-10-02).
- 261 E 78th StNew York, NY 10075 (212) 988‑1083
- 38 E 32nd St, Fl 9New York, NY 10016 (212) 725‑2020
Group practices
Medicare enrollment lists Ganesh Sivakumar as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Marcus Avenue Medical PC43 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619626728 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians