Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Francis Lyons Jr., DDS
Dentist in East Boston, MA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134390156
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Registry record
Entity type Individual (Type 1)
Name Dr. John Francis Lyons Jr.
Credential DDS
Sex Male
Practice address 12 Bennington St, 2nd Floor, East Boston, MA, 02128
Phone (617) 561-7600
Enumeration date Mar 18, 2008
Last updated in NPPES Mar 18, 2008
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0257125 | Medicaid | MA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for John Lyons?
The National Provider Identifier (NPI) for John Lyons is 1134390156, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Lyons practice?
The practice location on file with NPPES is in East Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Alfred Petriello Physical Therapist · East Boston, MA NPI 1992894513 Harbor View Physical Therapy & Sports Medicine, Inc. Specialist · East Boston, MA NPI 1114133451 Loretta Ciccia Dental Clinic/Center · East Boston, MA NPI 1699956664 Smile Dental Center General Practice Dentistry · East Boston, MA NPI 1861856353
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-18.