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Dermatology

Dionne D. Louis, MD

Sees patients in Marietta, GA · Georgia

Summary

Dr. Dionne D. Louis, MD is a dermatologist at 835 Cogburn Ave NW, Suite 100, Marietta, GA 30060. Phone: (770) 422-5557. Accepts Medicare assignment. In 2024, Dionne D. Louis had 213 Original Medicare patients and 1,355 services. NPI 1891954459. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 835 Cogburn Ave NW, Suite 100, Marietta, GA 30060 · Directions
  • Phone: (770) 422‑5557
  • Medicare: Accepts Medicare assignment
  • Group practice: Aqua Dermatology of Georgia PC
  • Medical school: Morehouse School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dionne D. Louis, 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 Dionne D. Louis accept Medicare assignment?
Yes. Medicare's clinician data says Dionne D. Louis 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.
How many Medicare patients does Dionne D. Louis see?
In 2024, CMS data shows 213 Original Medicare patients and 1,355 services for Dionne D. Louis. This counts Original Medicare only and measures volume, not quality.
What is Dionne D. Louis's NPI number?
1891954459. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Dionne D. Louis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients213
Services billed to Medicare1,355
Different services or procedures32
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)495 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)242 services
  3. Destruction of precancer skin growth, 1 growth (17000)116 services
  4. Biopsy of related skin growth, first growth (11102)107 services
  5. Destruction of skin growth, 1-14 growths (17110)93 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure62%
  • Arthritis43%
  • Ischemic heart disease24%
  • Anxiety21%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)16%

Practice locations

Addresses where Dionne D. Louis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dionne D. Louis as a member of this group (CMS data updated October 2, 2026).

  • Aqua Dermatology of Georgia PC58 clinicians in the group

Specialties

Find other Dermatology doctors in Georgia →

Other dermatologists in Marietta

Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.

All dermatologists in Marietta →

Other clinicians in Aqua Dermatology of Georgia PC

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

Clinician information

CredentialMD
Medical schoolMorehouse School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891954459
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians