Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John D Leimert, M.D.
Pediatrics Physician in Wareham, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568407393
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Registry record
Entity type Individual (Type 1)
Name John D Leimert
Credential M.D.
Sex Male
Practice address 100 Rosebrook Way, Wareham, MA, 02571
Phone (508) 973-4942
Fax (508) 973-0306
Enumeration date Jun 17, 2006
Last updated in NPPES Oct 18, 2024
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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 Leimert 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 Leimert?
The National Provider Identifier (NPI) for John Leimert is 1568407393, 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 2024-10-18.