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

Dr. Mark Sivak, MD

Individual provider Neurology Physician · NPI 1417928896

Dr. Mark Sivak, MD is a Neurology Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5 E 98 St 7th Fl
New York, NY 10029-6501
Phone: (212) 241-7076
Fax: (212) 860-4952
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 114630 (NY)

Record details

NPI number1417928896
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2006
Last updated in NPPESMay 4, 2011

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