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Medical Oncology

Poornima Saha, MD

Works at hospitals in Evanston, IL · Chicago, IL · Illinois

Summary

Dr. Poornima Saha, MD is an oncologist at 2650 Ridge Ave, Suite 2218a, Evanston, IL 60201. Phone: (847) 503-4222. Accepts Medicare assignment. In 2024, Poornima Saha had 229 Original Medicare patients and 723 services. NPI 1699063644. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Poornima Saha, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Poornima Saha accept Medicare assignment?
Yes. Medicare's clinician data says Poornima Saha 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 Poornima Saha see?
In 2024, CMS data shows 229 Original Medicare patients and 723 services for Poornima Saha. This counts Original Medicare only and measures volume, not quality.
What is Poornima Saha's NPI number?
1699063644. 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 Poornima Saha, 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 patients229
Services billed to Medicare723
Different services or procedures14
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)245 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)188 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)122 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)20 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High blood pressure66%
  • Arthritis52%
  • Osteoporosis34%
  • Diabetes29%

Hospitals where Poornima Saha works

Medicare's Facility Affiliation Data lists Poornima Saha 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.

Practice locations

Addresses where Poornima Saha is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Poornima Saha as a member of this group (CMS data updated October 2, 2026).

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Medical Oncology doctors in Illinois →

Other oncologists in Evanston

Clinicians with the same Medicare primary specialty in Evanston, IL — not a recommendation.

All oncologists in Evanston →

Other clinicians in Endeavor Health Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699063644
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians