Humera F. Ahmad, MD

Medicare activity in 2024

Official CMS public-use data for Humera F. Ahmad, 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. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)11 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)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 cholesterol75%
• High blood pressure62%
• Arthritis38%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)38%
• Ischemic heart disease31%
• Anxiety31%

Hospitals where Humera F. Ahmad works

Medicare's Facility Affiliation Data lists Humera F. Ahmad 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.

• HSHS St Clare Memorial HospitalOconto Falls, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521310
• St Marys Hospital Medical CenterGreen Bay, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520097
• St Vincent HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520075

Practice locations

Addresses where Humera F. Ahmad is enrolled with Medicare (CMS data updated October 2, 2026).

• 1860 Shawano AveGreen Bay, WI 54303 (920) 496‑4700

Group practices

Medicare enrollment lists Humera F. Ahmad as a member of this group (CMS data updated October 2, 2026).

• St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Wisconsin →

Other general surgeons in Green Bay

Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.

• Laura A. Hill, MD
• Kai Huang, MD
• Natalie C. Luehmann, MD
• Allison C. Vaughan, DO
• Matthew J. Ough, MD
• Daniel T. McKenna, MD
• Brittney Lemon, DO
• Tyler R. Burnett, MD

All general surgeons in Green Bay →

Other clinicians in St Vincent Hospital-Hospital Sisters-Third Order of St Francis

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

• Kathryn M. Peterson
• Thomas J. Zweifel, MD
• Molly J. Piumbroeck, NP
• Lisa Thom, MD
• Logan J. Maciejewski
• Tamara Marie A. Marshall

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