Maria Joana A. Thomas, MD

Medicare activity in 2024

Official CMS public-use data for Maria Joana A. Thomas, 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. Dialysis services, per day, less than full month service (20 years or older) (90970)350 services
2. Dialysis services, 2-3 physician visits per month (20 years or older) (90961)336 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)188 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)167 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)161 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%
• Diabetes63%
• Heart failure55%
• Ischemic heart disease54%

Hospitals where Maria Joana A. Thomas works

Medicare's Facility Affiliation Data lists Maria Joana A. Thomas 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.

• Marshall Medical CenterPlacerville, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050254
• Mercy Hospital of FolsomFolsom, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050414
• Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050516
• Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050108
• Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050309

Practice locations

Addresses where Maria Joana A. Thomas is enrolled with Medicare (CMS data updated October 2, 2026).

• 333 University Ave, Suite 120Sacramento, CA 95825 (916) 929‑8564

Group practices

Medicare enrollment lists Maria Joana A. Thomas as a member of this group (CMS data updated October 2, 2026).

• Capital Nephrology Medical Group21 clinicians in the group

Specialties

• Nephrologyprimary

Find other Nephrology doctors in California →

Other nephrologists in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

• Vijay Mudunuri, MD
• Eric Chang, MD
• Kalyani Chandra, MD
• Elena V. Gelfand, MD
• Sheldon Leong, MD
• Anthony S. Alvarado, MD
• Kai-Ting Hu, MD
• Maryam Afkarian, MD

All nephrologists in Sacramento →

Other clinicians in Capital Nephrology Medical Group

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

• Vijay Mudunuri, MD
• Eric Chang, MD
• Ganesh Kambhampati, MD
• Mafuhzar Rahman, MD
• John H. Howard Iii, MD
• Naveen K. Atray, 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