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Dermatology

Andrea L. Garrett, MD

Sees patients in Saint Louis, MO · Webster Groves, MO · Missouri

Summary

Dr. Andrea L. Garrett, MD is a dermatologist at 12855 N 40 Dr, Suite 180, Saint Louis, MO 63141. Phone: (314) 878-5599. Accepts Medicare assignment. In 2024, Andrea L. Garrett had 600 Original Medicare patients and 3,572 services. NPI 1821051079. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 12855 N 40 Dr, Suite 180, Saint Louis, MO 63141 · Directions (1 more location)
  • Phone: (314) 878‑5599
  • Medicare: Accepts Medicare assignment
  • Group practice: Forefront Dermatology SC
  • Medical school: University Of Missouri, Columbia School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Andrea L. Garrett, 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 Andrea L. Garrett accept Medicare assignment?
Yes. Medicare's clinician data says Andrea L. Garrett 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 Andrea L. Garrett see?
In 2024, CMS data shows 600 Original Medicare patients and 3,572 services for Andrea L. Garrett. This counts Original Medicare only and measures volume, not quality.
What is Andrea L. Garrett's NPI number?
1821051079. 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 Andrea L. Garrett, 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 patients600
Services billed to Medicare3,572
Different services or procedures71
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)910 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)410 services
  3. Destruction of precancer skin growth, 1 growth (17000)325 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)199 services
  5. Biopsy of related skin growth, first growth (11102)115 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 pressure61%
  • Arthritis46%
  • Ischemic heart disease20%
  • Anxiety19%
  • Chronic kidney disease19%

Practice locations

Addresses where Andrea L. Garrett is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrea L. Garrett as a member of this group (CMS data updated October 2, 2026).

  • Forefront Dermatology SC662 clinicians in the group

Specialties

Find other Dermatology doctors in Missouri →

Other dermatologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All dermatologists in Saint Louis →

Other clinicians in Forefront Dermatology SC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Columbia School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821051079
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