Quick answers
- Does Maria Vivian L. Sanchez accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Vivian L. Sanchez 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 Maria Vivian L. Sanchez see?
- In 2024, CMS data shows 22 Original Medicare patients and 81 services for Maria Vivian L. Sanchez. This counts Original Medicare only and measures volume, not quality.
- What is Maria Vivian L. Sanchez's NPI number?
- 1912981309. 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 Maria Vivian L. Sanchez, 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 | 81 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)40 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%
- Diabetes50%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)50%
Hospitals where Maria Vivian L. Sanchez works
Medicare's Facility Affiliation Data lists Maria Vivian L. Sanchez 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.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
Practice locations
Addresses where Maria Vivian L. Sanchez is enrolled with Medicare (CMS data updated October 2, 2026).
- 4201 W 95th StOak Lawn, IL 60453 (708) 636‑8546
Group practices
Medicare enrollment lists Maria Vivian L. Sanchez as a member of this group (CMS data updated October 2, 2026).
- Nowobilska Medical Practice Ltd2 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oak Lawn
Clinicians with the same Medicare primary specialty in Oak Lawn, IL — not a recommendation.
Other clinicians in Nowobilska Medical Practice Ltd
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) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912981309 |
| 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