Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Ryan P Osullivan DDS PLLC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1174437891

Ryan P Osullivan DDS PLLC provides Orthodontics and Dentofacial Orthopedics Dentistry in Fayetteville, Arkansas. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1998 N College Ave
Fayetteville, AR 72703-2609
Phone: (479) 222-1118
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X

Record details

NPI number1174437891
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ryan O'Sullivan — Owner · (918) 232-0395
Other names Hillside Orthodontics
NPI enumeratedSeptember 30, 2026
Last updated in NPPESSeptember 30, 2026
Certification dateSeptember 30, 2026
Mailing address1998 N College Ave, Fayetteville, AR 72703-2609

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