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Hospitalist

Zaheer Akhtar, DO

Works at hospitals in Kenosha, WI · Green Bay, WI · Wisconsin

Summary

Dr. Zaheer Akhtar, DO is a hospitalist at 835 S Van Buren St, Green Bay, WI 54301. Phone: (920) 496-4700. Accepts Medicare assignment. In 2024, Zaheer Akhtar had 282 Original Medicare patients and 320 services. NPI 1366002966. 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.

  • Specialty: Hospitalist
  • Address: 835 S Van Buren St, Green Bay, WI 54301 · Directions (1 more location)
  • Phone: (920) 496‑4700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Froedtert South Inc., St Vincent Hospital
  • Group practice: St Vincent Hospital-Hospital Sisters-Third Order of St Francis (+1 more)
  • Medical school: Des Moines University Of Osteopathic Medicine And Health Sciences · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zaheer Akhtar, 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 Zaheer Akhtar accept Medicare assignment?
Yes. Medicare's clinician data says Zaheer Akhtar 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 Zaheer Akhtar see?
In 2024, CMS data shows 282 Original Medicare patients and 320 services for Zaheer Akhtar. This counts Original Medicare only and measures volume, not quality.
What is Zaheer Akhtar's NPI number?
1366002966. 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 Zaheer Akhtar, 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 patients282
Services billed to Medicare320
Different services or procedures17
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)261 services
  2. Critical care, first 30-74 minutes (99291)20 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%
  • Arthritis50%
  • Chronic kidney disease49%
  • Diabetes48%
  • Anxiety45%

Hospitals where Zaheer Akhtar works

Medicare's Facility Affiliation Data lists Zaheer Akhtar 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.

  • Froedtert South Inc.Kenosha, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520021
  • 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 Zaheer Akhtar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zaheer Akhtar as a member of these groups (CMS data updated October 2, 2026).

  • St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
  • Vituity-Wisconsin HM SC29 clinicians in the group

Specialties

Find other Hospitalist doctors in Wisconsin →

Other hospitalists in Green Bay

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

All hospitalists 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.

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366002966
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