Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ganesh Karthik Sivakumar

Individual provider Internal Medicine Physician · NPI 1619626728

Ganesh Karthik Sivakumar practises Internal Medicine in New York, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2022, 4 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
4
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2022
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Practice location Address checks out

38 E 32nd St Fl 9
New York, NY 10016-5563
Phone: (212) 725-2660
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 338168 (NY)

Record details

NPI number1619626728
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 23, 2022
Last updated in NPPESNovember 7, 2025
Certification dateNovember 7, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2022 (4 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Colleagues at North Shore-Lij Medical PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 6350 clinicians in the practice; 12 are shown here.

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