Robert F. Marcum, MD

Medicare activity in 2024

Official CMS public-use data for Robert F. Marcum, 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 moderate level of decision making, if using time, 30 minutes or more (99214)373 services
2. Test to measure expiratory airflow and volume (94010)193 services
3. X-ray of chest, 2 views (71046)184 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)118 services
5. Test to measure oxygen level in blood using ear or finger device continuously overnight (94762)79 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%
• Arthritis62%
• COPD58%
• Asthma56%
• Diabetes43%

Hospitals where Robert F. Marcum works

Medicare's Facility Affiliation Data lists Robert F. Marcum 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.

• Commonspirit-Memorial Hospital-North GeorgiaRinggold, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110236
• Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 440091

Practice locations

Addresses where Robert F. Marcum is enrolled with Medicare (CMS data updated October 2, 2026).

• 725 Glenwood Dr, Suite E500Chattanooga, TN 37404 (423) 495‑2635

Group practices

Medicare enrollment lists Robert F. Marcum as a member of this group (CMS data updated October 2, 2026).

• Memorial Health Partners Foundation Inc485 clinicians in the group

Specialties

• Pulmonary Diseaseprimary

Find other Pulmonary Disease doctors in Tennessee →

Other pulmonologists in Chattanooga

Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.

• John W. Boldt Jr., MD
• Matthew A. Kreth, MD
• Audrey E. Haywood, DO
• Richa Sheth
• Angelique Gross, MD
• Brett Z. Schaeffer, MD
• Nathan H. Mull Iv, MD
• Jesse Tucker

All pulmonologists in Chattanooga →

Other clinicians in Memorial Health Partners Foundation Inc

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

• James E. Gilbert Ii, DO
• Johanna Cortes
• Sarah Hafner, NP
• Randall R. Riley, MD
• Julia W. Henry
• Ann H. Rybolt, 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