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Internal Medicine

Zainab Alnafoosi, MD

Works at hospitals in Lincoln, IL · Jacksonville, IL · Springfield, IL … · Illinois

Summary

Dr. Zainab Alnafoosi, MD is an internal medicine doctor at 751 N Rutledge St, Springfield, IL 62702. Phone: (217) 545-8000. Accepts Medicare assignment. In 2024, Zainab Alnafoosi had 275 Original Medicare patients and 604 services. NPI 1124401070. 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 Zainab Alnafoosi, 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 Zainab Alnafoosi accept Medicare assignment?
Yes. Medicare's clinician data says Zainab Alnafoosi 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 Zainab Alnafoosi see?
In 2024, CMS data shows 275 Original Medicare patients and 604 services for Zainab Alnafoosi. This counts Original Medicare only and measures volume, not quality.
What is Zainab Alnafoosi's NPI number?
1124401070. 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 Zainab Alnafoosi, 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 patients275
Services billed to Medicare604
Different services or procedures19
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)243 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)154 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)93 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease59%
  • Arthritis58%
  • Diabetes56%
  • Chronic kidney disease53%

Hospitals where Zainab Alnafoosi works

Medicare's Facility Affiliation Data lists Zainab Alnafoosi 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.

  • Abraham Lincoln Memorial HospitalLincoln, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141322
  • Jacksonville Memorial HospitalJacksonville, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141352
  • Memorial Medical CenterSpringfield, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140148
  • St Francis HospitalLitchfield, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141350
  • St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053

Practice locations

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

Group practices

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

  • SIU Physicians and Surgeons Inc314 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Springfield

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

All internal medicine doctors in Springfield →

Other clinicians in SIU Physicians and Surgeons Inc

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

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124401070
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