Quick answers
- Does Raghu Shantan R. Marri accept Medicare assignment?
- Yes. Medicare's clinician data says Raghu Shantan R. Marri 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 Raghu Shantan R. Marri see?
- In 2024, CMS data shows 100 Original Medicare patients and 128 services for Raghu Shantan R. Marri. This counts Original Medicare only and measures volume, not quality.
- What is Raghu Shantan R. Marri's NPI number?
- 1841511573. 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 Raghu Shantan R. Marri, 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 | 100 |
|---|---|
| Services billed to Medicare | 128 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for extensive surgery on spine (00670)17 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)14 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%
- Arthritis64%
- Diabetes52%
- Ischemic heart disease43%
- Anxiety34%
Hospitals where Raghu Shantan R. Marri works
Medicare's Facility Affiliation Data lists Raghu Shantan R. Marri 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
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200
- Insight Hospital and Medical Center ChicagoChicago, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140158
- 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 Raghu Shantan R. Marri is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 155 E Brush Hill RdElmhurst, IL 60126 (331) 221‑0096
- 177 E Brush Hill RdElmhurst, IL 60126 (630) 646‑6020
- 18221 Torrence Ave, Suite 1bLansing, IL 60438 (708) 895‑9450
- 2525 S Michigan AveChicago, IL 60616 (708) 382‑1498
- 2650 Ridge AveEvanston, IL 60201
Group practices
Medicare enrollment lists Raghu Shantan R. Marri as a member of these groups (CMS data updated October 2, 2026).
- Endeavor Health Medical Group3,350 clinicians in the group
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- University of Chicago1,712 clinicians in the group
- Insight Chicago Inc141 clinicians in the group
- Stat Anesthesia Specialists Ltd20 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Elmhurst
Clinicians with the same Medicare primary specialty in Elmhurst, IL — not a recommendation.
Other clinicians in Endeavor Health Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841511573 |
| 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