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

Individual provider Rheumatology Physician · NPI 1811035033

Lionel Bihdan Ivashkiv, MD is a Rheumatology Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

535 E 70th St Hospital For Special Surgery
New York, NY 10021-4872
Phone: (212) 606-1171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 163478 (NY)

Record details

NPI number1811035033
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2007
Last updated in NPPESJuly 8, 2007

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