Quick answers
- Does Purnima Balachandran accept Medicare assignment?
- Yes. Medicare's clinician data says Purnima Balachandran 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 Purnima Balachandran see?
- In 2024, CMS data shows 233 Original Medicare patients and 404 services for Purnima Balachandran. This counts Original Medicare only and measures volume, not quality.
- What is Purnima Balachandran's NPI number?
- 1659318509. 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 Purnima Balachandran, 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 | 233 |
|---|---|
| Services billed to Medicare | 404 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)66 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)31 services
- Biopsy of large bowel using a flexible endoscope (45380)29 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)27 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 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 cholesterol75%
- High blood pressure71%
- Arthritis59%
- Chronic kidney disease35%
- Ischemic heart disease32%
- Diabetes30%
Hospitals where Purnima Balachandran works
Medicare's Facility Affiliation Data lists Purnima Balachandran 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.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
Practice locations
Addresses where Purnima Balachandran is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2100 Pfingsten RdGlenview, IL 60026
- 2150 Pfingsten Rd, Suite 3000Glenview, IL 60026
- 2650 Ridge AveEvanston, IL 60201
- 767 Park Ave W, Suite 110Highland Park, IL 60035 (847) 926‑6810
- 777 Park Ave WHighland Park, IL 60035
Group practices
Medicare enrollment lists Purnima Balachandran as a member of this group (CMS data updated October 2, 2026).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Glenview
Clinicians with the same Medicare primary specialty in Glenview, 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 |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659318509 |
| 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