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Rheumatology

Ximena Y. Chavez, MD

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

Summary

Dr. Ximena Y. Chavez, MD is a rheumatologist at 2100 Pfingsten Rd, Glenview, IL 60026. Phone: (847) 941-7600. Accepts Medicare assignment. In 2024, Ximena Y. Chavez had 326 Original Medicare patients and 1,129 services. NPI 1912196502. 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 Ximena Y. Chavez, 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 Ximena Y. Chavez accept Medicare assignment?
Yes. Medicare's clinician data says Ximena Y. Chavez 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 Ximena Y. Chavez see?
In 2024, CMS data shows 326 Original Medicare patients and 1,129 services for Ximena Y. Chavez. This counts Original Medicare only and measures volume, not quality.
What is Ximena Y. Chavez's NPI number?
1912196502. 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 Ximena Y. Chavez, 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 patients326
Services billed to Medicare1,129
Different services or procedures14
Participating Medicare providerYes
Average age of these patients74

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)471 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)440 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)102 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)37 services
  5. Aspiration and/or injection of fluid from large joint (20610)13 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).

  • Arthritis75%
  • High cholesterol73%
  • High blood pressure63%
  • Osteoporosis44%
  • Diabetes29%
  • Depression28%

Hospitals where Ximena Y. Chavez works

Medicare's Facility Affiliation Data lists Ximena Y. Chavez 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 Ximena Y. Chavez 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
  • 225 N Milwaukee AveVernon Hills, IL 60061 (847) 941‑7600
  • 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 Ximena Y. Chavez as a member of this group (CMS data updated October 2, 2026).

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Rheumatology doctors in Illinois →

Other rheumatologists in Glenview

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

All rheumatologists in Glenview →

Other clinicians in Endeavor Health Medical Group

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

Clinician information

CredentialMD
Medical schoolIllinois Medical College
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912196502
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