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Orthopedic Surgery

Adnan Zaidi, MD

Works at hospitals in Grafton, WI · Summit, WI · Hartford, WI · Wisconsin

Summary

Dr. Adnan Zaidi, MD is an orthopedic surgeon at 1640 E Sumner St, Hartford, WI 53027. Phone: (262) 670-4000. Accepts Medicare assignment. In 2024, Adnan Zaidi had 284 Original Medicare patients and 6,465 services. NPI 1114205101. 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 Adnan Zaidi, 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 Adnan Zaidi accept Medicare assignment?
Yes. Medicare's clinician data says Adnan Zaidi 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 Adnan Zaidi see?
In 2024, CMS data shows 284 Original Medicare patients and 6,465 services for Adnan Zaidi. This counts Original Medicare only and measures volume, not quality.
What is Adnan Zaidi's NPI number?
1114205101. 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 Adnan Zaidi, 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 patients284
Services billed to Medicare6,465
Different services or procedures49
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)5,220 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)290 services
  3. Aspiration and/or injection of fluid from large joint (20610)151 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)69 services
  5. Injection, methylprednisolone acetate, 40 mg (J1030)41 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 cholesterol71%
  • High blood pressure70%
  • Diabetes29%
  • Ischemic heart disease29%
  • Chronic kidney disease23%

Hospitals where Adnan Zaidi works

Medicare's Facility Affiliation Data lists Adnan Zaidi 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.

  • Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
  • Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520206
  • Aurora Medical Center Washington CountyHartford, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520038

Practice locations

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

Group practices

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

  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Wisconsin →

Other orthopedic surgeons in Wisconsin

Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.

All orthopedic surgeons in Wisconsin →

Other clinicians in Aurora Advanced Healthcare, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114205101
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