Rock Jean-Guillaume D.O.
About this NPIWhat this record shows.
NPI 1730157918 is registered to Rock Jean-Guillaume D.O., a Emergency Medicine practising at 5 Shrewsbury St Ste D in Holden, Massachusetts. Emergency Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Rock Jean-Guillaume D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
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
- I20040409000056Emergency MedicineMA
- I20200729000554Emergency MedicineSC
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 Rock Jean-Guillaume D.O. accepts. To confirm in-network status with your specific health plan, contact Rock Jean-Guillaume D.O. directly at (508) 829-3800.
Frequently asked
Yes. NPI 1730157918 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medicine 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 (508) 829-3800.
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. Rock Jean-Guillaume D.O. is a Type-1 individual NPI.