Cassandra Os NP
About this NPIWhat this record shows.
NPI 1285258863 is registered to Cassandra Os NP, a Nurse Practitioner practising at 103 Myron St Ste A in West Springfield, Massachusetts. Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Cassandra Os NP has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20201005001303Nurse PractitionerMA
- I20251212002897Nurse PractitionerME
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Cassandra Os NP accepts. To confirm in-network status with your specific health plan, contact Cassandra Os NP directly at (888) 964-6681.
Frequently asked
Yes. NPI 1285258863 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (888) 964-6681.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Cassandra Os NP is a Type-1 individual NPI.