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Pathology

Jessica J. Mercer, MD

Sees patients in Snellville, GA · Brookhaven, GA · Georgia

Summary

Dr. Jessica J. Mercer, MD is a pathologist at 2383 Pate St N, Snellville, GA 30078. Phone: (770) 972-4845. Accepts Medicare assignment. In 2024, Jessica J. Mercer had 1,752 Original Medicare patients and 10,376 services. NPI 1417118886. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pathologist (Medicare lists Pathology)
  • Address: 2383 Pate St N, Snellville, GA 30078 · Directions (1 more location)
  • Phone: (770) 972‑4845
  • Medicare: Accepts Medicare assignment
  • Group practice: Gwinnett Dermatology, PC D/B/A Georgia Dermatology Partners
  • Medical school: University Of Southern California Keck School Of Medicine · 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 Jessica J. Mercer, 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 Jessica J. Mercer accept Medicare assignment?
Yes. Medicare's clinician data says Jessica J. Mercer 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 Jessica J. Mercer see?
In 2024, CMS data shows 1,752 Original Medicare patients and 10,376 services for Jessica J. Mercer. This counts Original Medicare only and measures volume, not quality.
What is Jessica J. Mercer's NPI number?
1417118886. 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 Jessica J. Mercer, 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 patients1,752
Services billed to Medicare10,376
Different services or procedures77
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (J7345)5,400 services
  2. Pathology examination of tissue using a microscope, intermediate complexity (88305)2,181 services
  3. Destruction of precancer skin growth, 2-14 growths (17003)666 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)399 services
  5. Destruction of precancer skin growth, 1 growth (17000)211 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 pressure74%
  • Arthritis46%
  • Ischemic heart disease27%
  • Diabetes25%
  • Chronic kidney disease24%

Practice locations

Addresses where Jessica J. Mercer is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2383 Pate St NSnellville, GA 30078
  • 3929 Peachtree Rd NE, Suite 300Brookhaven, GA 30319 (770) 972‑4845

Group practices

Medicare enrollment lists Jessica J. Mercer as a member of this group (CMS data updated October 2, 2026).

  • Gwinnett Dermatology, PC D/B/A Georgia Dermatology Partners19 clinicians in the group

Specialties

Find other Pathology doctors in Georgia →

Other pathologists in Snellville

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

All pathologists in Snellville →

Other clinicians in Gwinnett Dermatology, PC D/B/A Georgia Dermatology Partners

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

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417118886
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