Quick answers
- Does Russell Mascarenhas accept Medicare assignment?
- Yes. Medicare's clinician data says Russell Mascarenhas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Russell Mascarenhas see?
- In 2024, CMS data shows 22 Original Medicare patients and 114 services for Russell Mascarenhas. This counts Original Medicare only and measures volume, not quality.
- What is Russell Mascarenhas's NPI number?
- 1497863906. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Russell Mascarenhas, 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.
| Original Medicare patients | 22 |
|---|---|
| Services billed to Medicare | 114 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Hospital discharge day management, 30 minutes or less (99238)24 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)17 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%
- Arthritis75%
- Alzheimer's disease or dementia68%
- Diabetes64%
- Heart failure64%
Hospitals where Russell Mascarenhas works
Medicare's Facility Affiliation Data lists Russell Mascarenhas 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.
- Citizens Medical CenterVictoria, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450023
- De Tar Hospital NavarroVictoria, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450147
- Refugio County Memorial HospitalRefugio, TX · Critical Access Hospital · Emergency services: not listed by Medicare · CCN 451317
Practice locations
Addresses where Russell Mascarenhas is enrolled with Medicare (CMS data updated October 2, 2026).
- 107 Swift StRefugio, TX 78377
Group practices
Medicare enrollment lists Russell Mascarenhas as a member of this group (CMS data updated October 2, 2026).
- Refugio County Memorial Hospital District11 clinicians in the group
Specialties
- Internal Medicineprimary
- Family Practicealso
Other internal medicine doctors in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Refugio County Memorial Hospital District
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497863906 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians