David Newell Duddleston, M.D.
Internal Medicine Physician · Madison, MS
David Newell Duddleston, M.D. is an internal medicine physician with a practice address in Madison, Mississippi, and NPI 1003840539, issued on Jul 10, 2006. Check the license (Mississippi 10654, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- David Newell Duddleston
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10654 MS
Self-reported in NPPES; status is on the state search - Practice location
- 128 Chadwyck PL, Madison, MS 39110
- Phone
- (601) 291-1993
- Enumerated
- Jul 10, 2006
- Record last updated
- Nov 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (601) 321-2682
- Medicaid ID
- 00015358 MS
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Verify David Newell Duddleston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 10654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
65 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
David Newell Duddleston among 972 internal medicine physician records in Mississippi
David Newell Duddleston, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Madison
They are 17 of the 612 NPPES records with a practice address in Madison, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Madison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jericho Bell, M.D.Madison, MS 391101811194772
- James Bridges, M.D.Madison, MS 391101205065554
- Eric Evans, M.D.Madison, MS 391101871791434
- Jerry Harrison, M.D.Madison, MS 391101003841073
- Michael Morgan, M.D.Madison, MS 391101386716553
- Jacob Morgan, M.D.Madison, MS 391101326575168
- Meghan Poole, M.D.Madison, MS 391101114281680
- Richard Russell, M.D.Madison, MS 391101063584175
Common questions
What is David Newell Duddleston, M.D.'s NPI number?
David Newell Duddleston, M.D.'s National Provider Identifier (NPI) is 1003840539, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Newell Duddleston, M.D. located?
The NPPES record lists a practice address at 128 Chadwyck PL, Madison, MS, 39110. Phone: (601) 291-1993. Providers update this record themselves, so call before visiting.
How can I verify David Newell Duddleston, M.D.'s license?
NPPES lists Mississippi license number 10654, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Newell Duddleston, M.D. prescribe under Medicare Part D?
In 2024, David Newell Duddleston, M.D. had 65 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David Newell Duddleston, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.