Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Cameron Machell, DMD
Dentist in Nashua, NH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124136999
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. John Cameron Machell
Credential DMD
Sex Male
Practice address 505 W Hollis St, Suite 202, Nashua, NH, 03062
Phone (603) 882-9881
Fax (603) 881-4889
Enumeration date Aug 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD credential
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
Where does John Machell practice?
The practice location on file with NPPES is in Nashua, NH. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Machell?
The National Provider Identifier (NPI) for John Machell is 1124136999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Carol Pelletier Nurse Practitioner · Nashua, NH NPI 1407833155 Hugh Phillis Orthodontics and Dentofacial Orthopedics Dentistry · Nashua, NH NPI 1184667115 Helfman Lasky & Associates P A Optometrist · Nashua, NH NPI 1689603730 David Helfman Optometrist · Nashua, NH NPI 1275568024 Elliot Lasky Optometrist · Nashua, NH NPI 1184659930 Jaclyn Minar Ziegler Physical Therapist · Nashua, NH NPI 1164534251 Robert Posnick Dermatology Physician · Nashua, NH NPI 1497866388 Julie Beck Goss Clinical Social Worker · Nashua, NH NPI 1700997491
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.