Stephen Simpson M.D.
About this NPIWhat this record shows.
NPI 1154322964 is registered to Stephen Simpson M.D., a Specialist practising at 198 Groton Rd, Suite 1 in Ayer, Massachusetts. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Stephen Simpson M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- J22501MA· Issued by BCBS
- 103355800MA· Issued by ACS
- 6919759006MA· Issued by CIGNA
- 48317MA· Issued by FALLON
- 408251MA· Issued by TUFTS
- 0900631· Issued by UNITED HEALTH
- 172414MA· Issued by HARVARD PILGRIM
- 2430200MA· Issued by AETNA
Medicaid
- 0101877MA
Source: NPPES public registry.
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
- I20040512001319Orthopedic SurgeryMA
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 Stephen Simpson M.D. accepts. To confirm in-network status with your specific health plan, contact Stephen Simpson M.D. directly at (978) 862-0025.
Frequently asked
Yes. NPI 1154322964 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (978) 862-0025.
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. Stephen Simpson M.D. is a Type-1 individual NPI.