Quick answers
- Does Leticia Perea accept Medicare assignment?
- Yes. Medicare's clinician data says Leticia Perea 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 Leticia Perea see?
- In 2024, CMS data shows 129 Original Medicare patients and 137 services for Leticia Perea. This counts Original Medicare only and measures volume, not quality.
- What is Leticia Perea's NPI number?
- 1235625559. 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 Leticia Perea, 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 | 129 |
|---|---|
| Services billed to Medicare | 137 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for other procedure on lower abdomen (00840)13 services
- Anesthesia for removal of prostate including use of an endoscope (00914)12 services
- Anesthesia for procedure for total knee joint replacement (01402)11 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%
- Arthritis66%
- Diabetes31%
- Chronic kidney disease31%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
Hospitals where Leticia Perea works
Medicare's Facility Affiliation Data lists Leticia Perea 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
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
Practice locations
Addresses where Leticia Perea is enrolled with Medicare (CMS data updated October 2, 2026).
- 1775 Dempster StPark Ridge, IL 60068 (847) 723‑9454
Group practices
Medicare enrollment lists Leticia Perea as a member of this group (CMS data updated October 2, 2026).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Park Ridge
Clinicians with the same Medicare primary specialty in Park Ridge, IL — not a recommendation.
Other clinicians in Advocate Health and Hospitals Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Rush Medical College Of Rush University |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235625559 |
| 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