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

Riley J. Williams III, MD, PC

Organization Specialist · NPI 1184658403

Riley J. Williams III, MD, PC provides Specialist services 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?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

525 E 71st St
New York, NY 10021-4828 Not confirmed with CMS for 18 years — call before visiting
Phone: (212) 606-1855
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 1934351 (NY)

Record details

NPI number1184658403
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Riley Williams — President · (212) 606-1855
NPI enumeratedJuly 11, 2006
Last updated in NPPESMarch 6, 2008
Mailing address535 E 70th St, New York, NY 10021-4872

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