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Physician Assistant

Magen Brennan, PA

Works at hospitals in Atlanta, GA · Canton, GA · Georgia

Summary

Magen Brennan, PA is a physician assistant at 488 Kennesaw Ave NW, Suite 200, Marietta, GA 30060. Phone: (770) 427-3075. Accepts Medicare assignment. In 2024, Magen Brennan had 101 Original Medicare patients and 117 services. NPI 1497408173. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Magen Brennan, 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 Magen Brennan accept Medicare assignment?
Yes. Medicare's clinician data says Magen Brennan 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 Magen Brennan see?
In 2024, CMS data shows 101 Original Medicare patients and 117 services for Magen Brennan. This counts Original Medicare only and measures volume, not quality.
What is Magen Brennan's NPI number?
1497408173. 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 Magen Brennan, 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 patients101
Services billed to Medicare117
Different services or procedures8
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)39 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)25 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 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 pressure71%
  • Arthritis54%
  • Ischemic heart disease33%
  • Anxiety25%
  • Diabetes19%

Hospitals where Magen Brennan works

Medicare's Facility Affiliation Data lists Magen Brennan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Northside HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110161
  • Northside Hospital CherokeeCanton, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110008

Practice locations

Addresses where Magen Brennan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Magen Brennan as a member of this group (CMS data updated October 2, 2026).

  • Aga Professional Services LLC177 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Georgia →

Other physician assistants in Marietta

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

All physician assistants in Marietta →

Other clinicians in Aga Professional Services LLC

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

Clinician information

CredentialPA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1497408173
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians