Quick answers
- Does Mary Grace T. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Grace T. Rivera 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 Mary Grace T. Rivera see?
- In 2024, CMS data shows 587 Original Medicare patients and 2,017 services for Mary Grace T. Rivera. This counts Original Medicare only and measures volume, not quality.
- What is Mary Grace T. Rivera's NPI number?
- 1891374203. 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 Mary Grace T. Rivera, 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 | 587 |
|---|---|
| Services billed to Medicare | 2,017 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)395 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)276 services
- Removal of skin and tissue, each additional 20.0 sq cm or less (11045)274 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)237 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)193 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%
- Diabetes63%
- Arthritis62%
- Chronic kidney disease59%
- Heart failure54%
Hospitals where Mary Grace T. Rivera works
Medicare's Facility Affiliation Data lists Mary Grace T. Rivera 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.
- Spring Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290046
- West Henderson HospitalHenderson, NV · Acute Care Hospital · Emergency services: listed by Medicare · CCN 290062
Practice locations
Addresses where Mary Grace T. Rivera is enrolled with Medicare (CMS data updated October 2, 2026).
- 5320 S Rainbow Blvd, Suite 154Las Vegas, NV 89118 (702) 853‑3853
Group practices
Medicare enrollment lists Mary Grace T. Rivera as a member of this group (CMS data updated October 2, 2026).
- Lubna Javed MD PLLC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in Lubna Javed MD PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891374203 |
| 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