Ximena M. Castro

Medicare activity in 2024

Official CMS public-use data for Ximena M. Castro, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)520 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)171 services
3. Hospital discharge day management, more than 30 minutes (99239)149 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)80 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)75 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%
• Depression59%
• Ischemic heart disease55%
• Anxiety55%
• Chronic kidney disease54%

Hospitals where Ximena M. Castro works

Medicare's Facility Affiliation Data lists Ximena M. Castro 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.

• UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220001
• UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220163

Practice locations

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

• 201 Highland St, Suite BClinton, MA 01510 (978) 368‑3731
• 55 Lake Ave NWorcester, MA 01655 (508) 334‑1000
• 60 Hospital RdLeominster, MA 01453 (978) 466‑2257

Group practices

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

• UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Massachusetts →

Other family doctors in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

• Kastoori Iyengar, MD
• Angela M. Rufo, DO
• Andrey Layer, MD
• Srivalli Konduri, MD
• Bassem Hanna, MD
• Jasleen Kaur, MD
• Kristina G. Jackson, MD
• Cari Benbasset-Miller, MD

All family doctors in Massachusetts →

Other clinicians in UMass Memorial Medical Group Inc

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

• Bobbi K. Coode, NP
• David S. Gerson, MD
• Jeffrey N. Winacoo, CNA
• Bassem Hanna, MD
• Javed Mannan
• Alice Kazberouk

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