John Ferriss MD
About this NPIWhat this record shows.
NPI 1841218344 is registered to John Ferriss MD, a Rheumatology Physician practising at 40 Wright St in Palmer, Massachusetts. Rheumatology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Ferriss MD 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.
Other
- 945948· Issued by NETWORK HEALTH
- 159373· Issued by TUFTS COMM HEALTH PLAN
- 3547811· Issued by HEALTHSOURCE CMHC
- 3200085· Issued by UNITED HEALTH CARE
- W201492· Issued by CIGNA
- 25771· Issued by HARVARD PILGRIM
- 41609· Issued by FALLON COMM HEALTH PLAN
- J21093· Issued by BLUE CROSS BLUE SHIELD
- 159373· Issued by CONNECTICARE
Medicaid
- 3192580MA
Source: NPPES public registry.
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 John Ferriss MD accepts. To confirm in-network status with your specific health plan, contact John Ferriss MD directly at (413) 284-5400.
Frequently asked
Yes. NPI 1841218344 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Rheumatology Physician 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) 284-5400.
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. John Ferriss MD is a Type-1 individual NPI.