Maria Jose Zabala Ramirez, MD

Medicare activity in 2024

Official CMS public-use data for Maria Jose Zabala Ramirez, 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. Insertion of needle into vein for collection of blood sample (36415)152 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)128 services
3. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)75 services
4. Home dialysis services per month (20 years or older) (90966)40 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)24 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%
• Chronic kidney disease75%
• Diabetes59%
• Heart failure44%
• Arthritis43%

Hospitals where Maria Jose Zabala Ramirez works

Medicare's Facility Affiliation Data lists Maria Jose Zabala Ramirez 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.

• Central Carolina HospitalSanford, NC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 340020
• UNC HospitalsChapel Hill, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340061

Practice locations

Addresses where Maria Jose Zabala Ramirez is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 Manning DrChapel Hill, NC 27514 (984) 974‑1000
• 1301 Central DrSanford, NC 27330 (919) 718‑9512

Group practices

Medicare enrollment lists Maria Jose Zabala Ramirez as a member of these groups (CMS data updated October 2, 2026).

• University of North Carolina at Chapel Hill2,052 clinicians in the group
• UNC Physicians Network LLC998 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in North Carolina →

Other nephrologists in Chapel Hill

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

• Koyal Jain, MD
• Monica L. Reynolds, MD
• Raven A. Voora, MD
• Evan M. Zeitler, MD
• Saad Mohammed Shariff, MD
• Ana L. Cortez, DO
• Keia R. Sanderson, MD
• Katherine D. Westreich, MD

All nephrologists in Chapel Hill →

Other clinicians in University of North Carolina at Chapel Hill

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

• Subhashini A. Sellers, MD
• Jorge L. Almodovar Suarez, MD
• Sean J. Callahan, MD
• Rachel G. Silverstein
• Andrew M. Moon, MD
• Lauren M. Burke, 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