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

Individual provider Orthopaedic Surgery Physician · NPI 1699731752

Dr. Ronald Grelsamer, MD is an Orthopaedic Surgery Physician in New York, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

5 E 98th St Box 1188
New York, NY 10029-6501
Phone: (212) 241-6980
Fax: (212) 534-8894
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Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 144292 (NY)

Record details

NPI number1699731752
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESJuly 13, 2026

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