Joseph Zwirko PA-C
About this NPIWhat this record shows.
NPI 1346403037 is registered to Joseph Zwirko PA-C, a Physician Assistant practising at 300 Birnie Ave, Suite 201 in Springfield, Massachusetts. Physician Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Joseph Zwirko PA-C has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 4,679 Physician Assistant providers on file in Massachusetts.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20080926000335Physician AssistantMA
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 Joseph Zwirko PA-C accepts. To confirm in-network status with your specific health plan, contact Joseph Zwirko PA-C directly at (413) 785-4666.
Frequently asked
Yes. NPI 1346403037 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Physician Assistant 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 (413) 785-4666.
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. Joseph Zwirko PA-C is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 4,679 Physician Assistant providers are registered in Massachusetts, and Joseph Zwirko PA-C is one of them. The figure refreshes each month from the federal source.