Nisar A. Zaidi, MD

Medicare activity in 2024

Official CMS public-use data for Nisar A. 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.

Most frequent services

1. Ultrasound scan of head and neck soft tissue (76536)44 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)23 services
3. Ultrasonic guidance during surgery (76998)19 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)14 services
5. Removal or exploration of parathyroid glands (60500)11 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 pressure74%
• High cholesterol61%
• Arthritis41%
• Anxiety29%
• Chronic kidney disease26%
• Diabetes22%

Hospitals where Nisar A. Zaidi works

Medicare's Facility Affiliation Data lists Nisar A. 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.

• Essentia Health Deer RiverDeer River, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241360
• Essentia Health DuluthDuluth, MN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 240019
• Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
• Essentia Health VirginiaVirginia, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240084
• St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521329

Practice locations

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

• 1600 Miller Trunk HwyDuluth, MN 55811 (218) 786‑5360
• 1600 Miller Trunk Hwy, Bldg CDuluth, MN 55811 (218) 786‑5360
• 400 E 3rd StDuluth, MN 55805 (218) 786‑8364
• 4212 Grand AveDuluth, MN 55807 (218) 786‑3500

Group practices

Medicare enrollment lists Nisar A. Zaidi as a member of these groups (CMS data updated October 2, 2026).

• The Duluth Clinic Ltd1,144 clinicians in the group
• Polinsky Medical Rehabilitation Center382 clinicians in the group

Specialties

• General Surgeryprimary
• Endocrinologyalso

Find other General Surgery doctors in Minnesota →

Other general surgeons in Duluth

Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.

• Sarah E. Diaz, DO
• Ryan R. Lussenden, MD
• Peter J. White, MD
• Jessica M. Titus, MD
• Isaac L. Hanson, DO
• Kristin P. Colling, MD
• Dustin D. Lucarelli, MD
• Julie M. Ottosen, MD

All general surgeons in Duluth →

Other clinicians in The Duluth Clinic Ltd

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

• Susan E. Ash, MD
• Anthony C. Wiseman, MD
• Andrew C. Chiu, MD
• Kelly M. Kleinschmidt, NP
• Sarah E. Diaz, DO
• Maximilian A. Goebel, MD

Clinician information

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