Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Donald Benjamin Weeks
Periodontics in Madison, CT · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487643789
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Registry record
Entity type Individual (Type 1)
Name Dr. Donald Benjamin Weeks
Sex Male
Practice address 149 Durham Rd, Suite 32, Madison, CT, 06443
Phone (203) 245-6985
Enumeration date Oct 19, 2005
Last updated in NPPES Jul 13, 2026
Taxonomy & licenses
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 Donald Weeks practice?
The practice location on file with NPPES is in Madison, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Donald Weeks?
The National Provider Identifier (NPI) for Donald Weeks is 1487643789, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.