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Orthopedic Surgery

Rolando Izquierdo Jr., MD

Works at hospitals in Elgin, IL · Winfield, IL · McHenry, IL … · Illinois

Summary

Dr. Rolando Izquierdo Jr., MD is an orthopedic surgeon at 1550 N Randall Rd, Elgin, IL 60123. Phone: (815) 398-9491. Accepts Medicare assignment. In 2024, Rolando Izquierdo Jr. had 739 Original Medicare patients and 2,820 services. NPI 1134138027. 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 Rolando Izquierdo Jr., 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 Rolando Izquierdo Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Rolando Izquierdo Jr. 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 Rolando Izquierdo Jr. see?
In 2024, CMS data shows 739 Original Medicare patients and 2,820 services for Rolando Izquierdo Jr.. This counts Original Medicare only and measures volume, not quality.
What is Rolando Izquierdo Jr.'s NPI number?
1134138027. 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 Rolando Izquierdo Jr., 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 patients739
Services billed to Medicare2,820
Different services or procedures50
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of shoulder, minimum of 2 views (73030)1,019 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)609 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)260 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)183 services
  5. Aspiration and/or injection of fluid from large joint (20610)138 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%
  • Arthritis75%
  • High blood pressure74%
  • Diabetes26%
  • Ischemic heart disease26%
  • Anxiety24%

Hospitals where Rolando Izquierdo Jr. works

Medicare's Facility Affiliation Data lists Rolando Izquierdo Jr. 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 Rolando Izquierdo Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Rolando Izquierdo Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
  • Orthomidwest, PLLC547 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Illinois →

Other orthopedic surgeons in Elgin

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

All orthopedic surgeons in Elgin →

Other clinicians in Phoenix Rehabilitation and Health Services Inc

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 year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134138027
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