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Rheumatology

Husna M. Siddiqui, MD

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

Summary

Dr. Husna M. Siddiqui, MD is a rheumatologist at 1550 N Randall Rd, Elgin, IL 60123. Phone: (815) 398-9491. Accepts Medicare assignment. In 2024, Husna M. Siddiqui had 576 Original Medicare patients and 150,114 services. NPI 1396108825. 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 Husna M. Siddiqui, 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 Husna M. Siddiqui accept Medicare assignment?
Yes. Medicare's clinician data says Husna M. Siddiqui 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 Husna M. Siddiqui see?
In 2024, CMS data shows 576 Original Medicare patients and 150,114 services for Husna M. Siddiqui. This counts Original Medicare only and measures volume, not quality.
What is Husna M. Siddiqui's NPI number?
1396108825. 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 Husna M. Siddiqui, 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 patients576
Services billed to Medicare150,114
Different services or procedures47
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, tocilizumab, 1 mg (J3262)78,680 services
  2. Injection, golimumab, 1 mg, for intravenous use (J1602)16,740 services
  3. Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)14,975 services
  4. Injection, romosozumab-aqqg, 1 mg (J3111)13,440 services
  5. Injection, methylprednisolone sodium succinate, 5 mg (J2919)7,500 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 cholesterol74%
  • High blood pressure72%
  • Osteoporosis45%
  • Anxiety28%
  • Diabetes23%

Hospitals where Husna M. Siddiqui works

Medicare's Facility Affiliation Data lists Husna M. Siddiqui 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 Husna M. Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Orthomidwest, PLLC547 clinicians in the group

Specialties

Find other Rheumatology doctors in Illinois →

Other rheumatologists in Elgin

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

All rheumatologists in Elgin →

Other clinicians in Orthomidwest, PLLC

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396108825
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