Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Mills, D.O.
Surgery Physician in Wareham, MA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720442999
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Registry record
Entity type Individual (Type 1)
Name John Mills
Credential D.O.
Sex Male
Practice address 100 Rosebrook Way, Wareham, MA, 02571
Phone (508) 273-4901
Fax (508) 973-4907
Enumeration date Apr 13, 2016
Last updated in NPPES Jan 22, 2025
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO 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 Mills practice?
The practice location on file with NPPES is in Wareham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Mills?
The National Provider Identifier (NPI) for John Mills is 1720442999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Robert Mcgowen Internal Medicine Physician · Wareham, MA NPI 1285637405 Donald Colacchio Surgery Physician · Wareham, MA NPI 1306830161 Catherine Obin Nurse Practitioner · Wareham, MA NPI 1841286739 Brian Fitzpatrick Family Medicine Physician · Wareham, MA NPI 1285611293 Alexander Rabin Obesity Medicine (Preventive Medicine) Physician · Wareham, MA NPI 1548249758 Jeanne Larock Nurse Practitioner · Wareham, MA NPI 1750361713 Emmet Eby Pulmonary Disease Physician · Wareham, MA NPI 1366410789 Thomas Spiro Physician Assistant · Wareham, MA NPI 1205804440
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-22.