Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nancy Maddox, R.D.
Registered Dietitian in Medford, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073733804
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Registry record
Entity type Individual (Type 1)
Name Nancy Maddox
Credential R.D.
Sex Female
Practice address 75 Riverside Ave, Medford, MA, 02155
Phone (781) 396-6221
Enumeration date Apr 26, 2007
Last updated in NPPES Mar 17, 2025
Taxonomy & licenses
RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration.
About the RD 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
What is the NPI number for Nancy Maddox?
The National Provider Identifier (NPI) for Nancy Maddox is 1073733804, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nancy Maddox practice?
The practice location on file with NPPES is in Medford, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Winchester Physician Associates Internal Medicine Physician · Medford, MA NPI 1053393603 Winchester Physician Associates Pediatrics Physician · Medford, MA NPI 1043293731 Clifford Michaelson Ophthalmology Physician · Medford, MA NPI 1861427320 Kathleen Butler Registered Dietitian · Medford, MA NPI 1184758245 Diane Doucette Diabetes Educator Registered Nurse · Medford, MA NPI 1154533842 Marie Walsh Condon Family Medicine Physician · Medford, MA NPI 1033301486 Janet Nolan Registered Dietitian · Medford, MA NPI 1588894539
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-17.