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Internal Medicine

Samantha M. Dewan

Sees patients in Detroit, MI · Michigan

Summary

Samantha M. Dewan is an internal medicine doctor at 3990 John R St, Detroit, MI 48201. Phone: (313) 745-8040. Accepts Medicare assignment. NPI 1568784379. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3990 John R St, Detroit, MI 48201 · Directions (2 more locations)
  • Phone: (313) 745‑8040
  • Medicare: Accepts Medicare assignment
  • Group practice: Michigan Emergency Services
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Samantha M. Dewan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Samantha M. Dewan accept Medicare assignment?
Yes. Medicare's clinician data says Samantha M. Dewan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Samantha M. Dewan's NPI number?
1568784379. 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 Samantha M. Dewan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samantha M. Dewan as a member of this group (CMS data updated October 2, 2026).

  • Michigan Emergency Services4 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Detroit

Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.

All internal medicine doctors in Detroit →

Other clinicians in Michigan Emergency Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568784379
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 October 2, 2026, retrieved October 29, 2026
  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