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

Osl 1301 Watertown Operating LLC

Organization Assisted Living Facility · NPI 1831974393

Osl 1301 Watertown Operating LLC is an Assisted Living Facility in Watertown, Wisconsin. Registered with an NPI since 2023.

In the registry since
2023
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

1301 E Main St
Watertown, WI 53094-4043
Phone: (920) 567-0100
Fax: (920) 567-0101
Show map & directions

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

Specialties & licences

Assisted Living Facility (primary) Taxonomy 310400000X

Record details

NPI number1831974393
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationOsl Platinum Management LLC
Authorized official Matt Teresinski — Vp · (414) 324-5172
NPI enumeratedAugust 31, 2023
Last updated in NPPESJuly 23, 2024
Certification dateJuly 23, 2024
Mailing address2448 S 102nd St Ste 305, West Allis, WI 53227-2141

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