Matthews W. Gwynn, MD

Medicare activity in 2024

Official CMS public-use data for Matthews W. Gwynn, 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.

Most frequent services

1. Injection, onabotulinumtoxina, 1 unit (J0585)21,552 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)456 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)143 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)111 services
5. Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box (64616)67 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 pressure69%
• Arthritis57%
• Ischemic heart disease33%
• Anxiety31%
• Depression24%

Hospitals where Matthews W. Gwynn works

Medicare's Facility Affiliation Data lists Matthews W. Gwynn 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 Matthews W. Gwynn is enrolled with Medicare (CMS data updated October 2, 2026).

• 990 Hammond Dr, Suite 325Atlanta, GA 30328 (404) 256‑7759

Group practices

Medicare enrollment lists Matthews W. Gwynn as a member of this group (CMS data updated October 2, 2026).

• Atlanta Neurology4 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Georgia →

Other neurologists in Atlanta

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

• Taylor B. Harrison, MD
• Sean Hamill, MD
• Anna Babaie, DO
• Nilushi Karunamuni
• Shawnay Mazell, MD
• Gavin F. Brown, MD
• Jaffar Khan, MD
• Hami Ramani, DO

All neurologists in Atlanta →

Other clinicians in Atlanta Neurology

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

• Clinton C. Ehidom, MD
• Gerald Silverboard, MD
• Brandy Hughes

Clinician information

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