Gary Siegel, MD

Medicare activity in 2024

Official CMS public-use data for Gary Siegel, 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. Anesthesia for procedure for total knee joint replacement (01402)160 services
2. Anesthesia for total hip replacement (01214)75 services
3. Anesthesia for lens surgery (00142)37 services
4. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)24 services
5. Ultrasonic guidance for needle placement (76942)19 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 blood pressure75%
• High cholesterol75%
• Arthritis75%
• Ischemic heart disease35%
• Diabetes24%
• Anxiety24%

Hospitals where Gary Siegel works

Medicare's Facility Affiliation Data lists Gary Siegel 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
• Northside Hospital ForsythCumming, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110005
• Piedmont Eastside Medical CenterSnellville, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110192

Practice locations

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

• 1000 Johnson Ferry RdAtlanta, GA 30342 (404) 851‑8000
• 1700 Medical WaySnellville, GA 30078 (770) 979‑0200

Group practices

Medicare enrollment lists Gary Siegel as a member of these groups (CMS data updated October 2, 2026).

• North Atlanta Anesthesia Professionals, LLC529 clinicians in the group
• Premier Anesthesia of Georgia LLC61 clinicians in the group

Specialties

• Anesthesiologyprimary
• Pain Managementalso

Find other Anesthesiology doctors in Georgia →

Other anesthesiologists in Atlanta

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

• Rebecca L. Lawson, MD
• Shalene L. Magee, MD
• Mark C. Merlin, DO
• Michele L. Sumler, MD
• Caitlin A. Bradley, MD
• Gautam M. Sreeram, MD
• Shagun Mathur
• Nerlyne K. Jimenez, MD

All anesthesiologists in Atlanta →

Other clinicians in North Atlanta Anesthesia Professionals, LLC

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

• Pamela E. Osteen, AA
• Mark C. Merlin, DO
• Marcie L. Pietrcollo
• Cheryl Nuclo, AA
• Angel Pham, AA
• Kathryn H. Schmidt, CNA

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