Quick answers
- Does Suriya Sastri accept Medicare assignment?
- Yes. Medicare's clinician data says Suriya Sastri 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 Suriya Sastri see?
- In 2024, CMS data shows 61 Original Medicare patients and 129 services for Suriya Sastri. This counts Original Medicare only and measures volume, not quality.
- What is Suriya Sastri's NPI number?
- 1316904816. 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 Suriya Sastri, 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 | 61 |
|---|---|
| Services billed to Medicare | 129 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)21 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)14 services
- Biopsy of large bowel using a flexible endoscope (45380)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%
- Arthritis51%
- Diabetes44%
- Ischemic heart disease30%
- Chronic kidney disease25%
Hospitals where Suriya Sastri works
Medicare's Facility Affiliation Data lists Suriya Sastri 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 Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140048
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140122
Practice locations
Addresses where Suriya Sastri is enrolled with Medicare (CMS data updated October 2, 2026).
- 6900 Madison St, Suite 102Willowbrook, IL 60527 (630) 325‑8684
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316904816 |
| 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