Jonathon M. Firnhaber, MD

Medicare activity in 2024

Official CMS public-use data for Jonathon M. Firnhaber, 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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)103 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)95 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
4. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)42 services
5. Blood glucose (sugar) test performed by hand-held instrument (82962)33 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 cholesterol72%
• Arthritis55%
• Diabetes37%
• Chronic kidney disease36%
• Ischemic heart disease31%

Hospitals where Jonathon M. Firnhaber works

Medicare's Facility Affiliation Data lists Jonathon M. Firnhaber 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.

• ECU Health Medical CenterGreenville, NC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 340040

Practice locations

Addresses where Jonathon M. Firnhaber is enrolled with Medicare (CMS data updated October 2, 2026).

• 2100 Stantonsburg RdGreenville, NC 27834 (252) 209‑3000

Group practices

Medicare enrollment lists Jonathon M. Firnhaber as a member of this group (CMS data updated October 2, 2026).

• East Carolina University499 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in North Carolina →

Other family doctors in Greenville

Clinicians with the same Medicare primary specialty in Greenville, NC — not a recommendation.

• Juan R. Aviles Morales, MD
• Matthew A. Rushing, MD
• Francis M. Blackwell, MD
• William J. Richbourg, MD
• Atif S. Abbasi, MD
• Ashton F. Johnson, MD
• Jessica L. Zimmerman, MD
• Audie C. Florida, MD

All family doctors in Greenville →

Other clinicians in East Carolina University

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

• Samuel F. Sears Jr.
• Mark A. Newell, MD
• Tess E. Garland, CNM
• Albert G. Rossner Iv
• Jason B. Hack, MD
• Beatriz E. Ramirez Perez, 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