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Internal Medicine

Mark W. Chandler, MD

Sees patients in Durham, NC · North Carolina

Summary

Mark W. Chandler, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Durham, NC. NPI 1407291941. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark W. Chandler, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
Duke Health Integrated Practice, IncGroup practice

Quick answers

Where does Mark W. Chandler see patients?
Medicare's clinician data lists 1 practice location in Durham, NC. Call before your visit to confirm the address.
What is Mark W. Chandler's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark W. Chandler accept Medicare assignment?
Yes. Medicare's clinician data says Mark W. Chandler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mark W. Chandler?
(919) 684-8111, as listed in official Medicare / NPI Registry data.
What is Mark W. Chandler's NPI number?
1407291941. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mark W. Chandler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark W. Chandler as a member of this group (CMS data updated 2026-10-02).

  • Duke Health Integrated Practice, Inc3,185 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Durham

Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.

All internal medicine doctors in Durham →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407291941
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians