DR. DAVID NEWELL DUDDLESTON M.D.
NPI 1003840539
Internal Medicine in Madison, MS
About Dr. David Newell Duddleston M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID NEWELL DUDDLESTON M.D. (NPI 1003840539) is an individual internal medicine provider in Madison, Mississippi, licensed in Mississippi (10654) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. David Newell Duddleston M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show David Duddleston reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, MS 39110
- Reassigned Medicare billing, Mississippi enrollment
- 423 clinicians in this Medicare group
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- 154 clinicians in this Medicare group
Vicksburg, MS 39183
- Reassigned Medicare billing, Mississippi enrollment
- 35 clinicians in this Medicare group
Grenada, MS 38901
- Reassigned Medicare billing, Mississippi enrollment
- 44 clinicians in this Medicare group
Clarksdale, MS 38614
- Reassigned Medicare billing, Mississippi enrollment
- 170 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 David Duddleston's NPI number?
The NPI number for David Duddleston is 1003840539. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is David Duddleston located?
David Duddleston practices at 128 Chadwyck Pl, Madison, MS 39110. The listed phone number is (601) 291-1993.
What is David Duddleston's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Duddleston enrolled in Medicare?
Yes. David Duddleston is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Duddleston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Duddleston reassigns Medicare benefits to 5 organizations: Medical Foundation Of Central Mississippi, Inc (Madison, MS), Mississippi Baptist Medical Center, Inc. (Jackson, MS), Vicksburg Healthcare LLC (Vicksburg, MS), Grenada Physician Services, LLC (Grenada, MS) and Comprehensive Hospitalists Of Ms, LLC (Clarksdale, MS). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Duddleston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Duddleston accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list David Duddleston 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 David Duddleston was last updated on November 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.