Quick answers
- Does Ricardo R. Lastra accept Medicare assignment?
- Yes. Medicare's clinician data says Ricardo R. Lastra 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 Ricardo R. Lastra see?
- In 2024, CMS data shows 291 Original Medicare patients and 983 services for Ricardo R. Lastra. This counts Original Medicare only and measures volume, not quality.
- What is Ricardo R. Lastra's NPI number?
- 1053576389. 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 Ricardo R. Lastra, 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 | 291 |
|---|---|
| Services billed to Medicare | 983 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Special stained specimen slides to examine tissue, each additional procedure (88341)235 services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)201 services
- Cell examination of specimen, selective cellular enhancement technique (88112)86 services
- Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode (88177)69 services
- Evaluation of fine needle aspirate with interpretation and report (88173)65 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%
- Arthritis48%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
- Diabetes34%
- Ischemic heart disease30%
Hospitals where Ricardo R. Lastra works
Medicare's Facility Affiliation Data lists Ricardo R. Lastra 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.
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
Practice locations
Addresses where Ricardo R. Lastra is enrolled with Medicare (CMS data updated October 2, 2026).
- 10855 Virginia St, Suite 1600Crown Point, IN 46307 (888) 824‑0200
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Ricardo R. Lastra as a member of this group (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Crown Point
Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053576389 |
| 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