JOHN L MADDOX MD
NPI 1801887229
Pediatrics in Wilmington, MA
About John L Maddox Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN L MADDOX MD (NPI 1801887229) is an individual pediatrics provider in Wilmington, Massachusetts, licensed in Massachusetts (211906) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of New Mexico School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John L Maddox Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01887 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMINGTON, MA 01887
WILMINGTON, MA 01887
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Maddox's NPI number?
The NPI number for John Maddox is 1801887229. It was assigned to this individual provider in the NPPES registry on November 3, 2005.
Where is John Maddox located?
John Maddox practices at 500 Salem St, Wilmington, MA 01887. The listed phone number is (978) 988-6209.
What is John Maddox's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is John Maddox enrolled in Medicare?
Yes. John Maddox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does John Maddox accept?
Health plans from Anthem Blue Cross and Blue Shield list John Maddox as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Maddox was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
