Individual provider · Type 1 NPI

Cassandra Os, NP

Nurse Practitioner · Berlin, NH

NPI number 1285258863 Active

Practice location

133 Pleasant St
Berlin, NH 03570-2006

Mailing address

100 Crossing Blvd Ste 300
Framingham, MA 01702-5555

Other practice locations

  • 103 Myron St Ste A, West Springfield, MA 01089-1485 · (888) 964-6681

Specialties and licenses

TaxonomyCodeLicense
Nurse Practitioner Primary 363L00000XRN2309397 (MA)

Nurse Practitioner: (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance wit…

36 other providers at this address

About NPI 1285258863

Cassandra Os, NP's National Provider Identifier is 1285258863, issued on May 30, 2020. The primary taxonomy on file is Nurse Practitioner (363L00000X), and the practice location is in Berlin, NH. The record was last updated on Jun 9, 2026.