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

Assoc Holdings LLC

Organization Family Medicine Physician · NPI 1235666314

Assoc Holdings LLC is a Family Medicine Physician in Pawnee, Oklahoma. Registered with an NPI since 2017.

In the registry since
2017
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

557 Harrison St
Pawnee, OK 74058-2566
Phone: (918) 762-5050
Fax: (918) 762-5055
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1235666314
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Niko Koliastasis — Ceo · (918) 636-3930
Other names Phoenix Medical Center; Phoenix Medical Center
NPI enumeratedMay 19, 2017
Last updated in NPPESJuly 21, 2022
Mailing address557 Harrison St, Pawnee, OK 74058-2566

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