Nan R. Monahan, MD

Medicare activity in 2024

Official CMS public-use data for Nan R. Monahan, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)349 services
2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)310 services
3. Insertion of needle into vein for collection of blood sample (36415)240 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)144 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)111 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 pressure49%
• High cholesterol45%
• Arthritis41%
• Ischemic heart disease24%
• Chronic kidney disease16%
• Osteoporosis16%

Hospitals where Nan R. Monahan works

Medicare's Facility Affiliation Data lists Nan R. Monahan 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.

• Piedmont Hospital, IncAtlanta, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110083
• Piedmont Mountainside Hospital IncJasper, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110225

Practice locations

Addresses where Nan R. Monahan is enrolled with Medicare (CMS data updated October 2, 2026).

• 2021 Peachtree Rd NE, Suite 550Atlanta, GA 30309 (404) 275‑1674

Group practices

Medicare enrollment lists Nan R. Monahan as a member of this group (CMS data updated October 2, 2026).

• Buckhead Internal Medicne3 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Georgia →

Other internal medicine doctors in Atlanta

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

• Jai P. Lal, MD
• Claire Douglas, MD
• Marc A. Duran, MD
• Lisa B. Bernstein, MD
• Juelle E. Weekes, MD
• Mohammed Singapuri, MD
• Faiza Khan, MD
• Shikha R. Chacko, MD

All internal medicine doctors in Atlanta →

Other clinicians in Buckhead Internal Medicne

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

• Amy Y. Mininberg, MD

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