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DR. KEITHAN SIVAKUMAR M.D.
NPI 1336596246
Psychiatry & Neurology - Neurology in Toronto, ONTARIO

Active since May 20, 2016
399 BATHURST STREET, 5TH FLOOR, 5W-443, TORONTO, ONTARIO M5T2S(416) 603-5055 Get Directions Write a Review

NPPES record last updated: October 3, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 3, 2022, Jun 18, 2020, Aug 4, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Keithan Sivakumar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KEITHAN SIVAKUMAR M.D. (NPI 1336596246) is an individual neurology provider in Toronto, ONTARIO, licensed in Pennsylvania (MD470190) and active in the NPI registry since May 2016.

NPPES Registry Identity

NPI1336596246
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. KEITHAN SIVAKUMARCredential: M.D.
Location Address399 BATHURST STREET, 5TH FLOOR, 5W-443Toronto, ONTARIO M5T2S8
Mailing Address399 Bathurst Street, 5th Floor, 5w-443Toronto, ONTARIO M5T2S8
Phone(416) 603-5055
Sole ProprietorNo
Enumeration DateMay 20, 2016
Last NPPES UpdateOctober 3, 20224 updates tracked since enumeration
NPPES CertifiedOctober 3, 2022
✔ NPI 1336596246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in PA · MD470190
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
399 BATHURST STREET, Toronto, ONTARIO M5T2S
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keithan Sivakumar's NPI number?

The NPI number for Keithan Sivakumar is 1336596246. It was assigned to this individual provider in the NPPES registry on May 20, 2016.

Where is Keithan Sivakumar located?

Keithan Sivakumar practices at 399 Bathurst Street 5th Floor, 5w-443, Toronto, ONTARIO M5T2S. The listed phone number is (416) 603-5055.

What is Keithan Sivakumar's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Keithan Sivakumar was last updated on October 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.