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Obstetrics/Gynecology

Jennifer M. Balash, MD

Works at hospitals in Downers Grove, IL · Illinois

Summary

Dr. Jennifer M. Balash, MD is an OB-GYN at 3825 Highland Ave, Towe 1, Downers Grove, IL 60515. Phone: (630) 968-2144. Accepts Medicare assignment. In 2024, Jennifer M. Balash had 87 Original Medicare patients and 113 services. NPI 1487881025. 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.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 3825 Highland Ave, Towe 1, Downers Grove, IL 60515 · Directions
  • Phone: (630) 968‑2144
  • Medicare: Accepts Medicare assignment
  • Hospital: Advocate Good Samaritan Hospital
  • Group practice: Tre Medical Ltd
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer M. Balash, 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 Jennifer M. Balash accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer M. Balash 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 Jennifer M. Balash see?
In 2024, CMS data shows 87 Original Medicare patients and 113 services for Jennifer M. Balash. This counts Original Medicare only and measures volume, not quality.
What is Jennifer M. Balash's NPI number?
1487881025. 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 Jennifer M. Balash, 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 patients87
Services billed to Medicare113
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)67 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 cholesterol68%
  • High blood pressure54%
  • Arthritis41%
  • Anxiety23%
  • Osteoporosis23%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%

Hospitals where Jennifer M. Balash works

Medicare's Facility Affiliation Data lists Jennifer M. Balash 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

Practice locations

Addresses where Jennifer M. Balash is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer M. Balash as a member of this group (CMS data updated October 2, 2026).

  • Tre Medical Ltd4 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Downers Grove

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

All OB-GYNs in Downers Grove →

Other clinicians in Tre Medical Ltd

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487881025
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