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Family Practice

Nezih Z. Hasanoglu, DO

Works at hospitals in Waukesha, WI · Wisconsin

Summary

Dr. Nezih Z. Hasanoglu, DO is a family doctor at 13700 W National Ave, Suite 116, New Berlin, WI 53151. Phone: (262) 782-5662. Accepts Medicare assignment. In 2024, Nezih Z. Hasanoglu had 39 Original Medicare patients and 147 services. NPI 1730166901. 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: Family doctor (Medicare lists Family Practice)
  • Address: 13700 W National Ave, Suite 116, New Berlin, WI 53151 · Directions
  • Phone: (262) 782‑5662
  • Medicare: Accepts Medicare assignment
  • Hospital: Waukesha Memorial Hospital
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nezih Z. Hasanoglu, 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 Nezih Z. Hasanoglu accept Medicare assignment?
Yes. Medicare's clinician data says Nezih Z. Hasanoglu 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 Nezih Z. Hasanoglu see?
In 2024, CMS data shows 39 Original Medicare patients and 147 services for Nezih Z. Hasanoglu. This counts Original Medicare only and measures volume, not quality.
What is Nezih Z. Hasanoglu's NPI number?
1730166901. 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 Nezih Z. Hasanoglu, 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 patients39
Services billed to Medicare147
Different services or procedures4
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)85 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)35 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 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%
  • Chronic kidney disease41%
  • Ischemic heart disease36%
  • Arthritis31%

Hospitals where Nezih Z. Hasanoglu works

Medicare's Facility Affiliation Data lists Nezih Z. Hasanoglu 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.

Practice locations

Addresses where Nezih Z. Hasanoglu is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in New Berlin

Clinicians with the same Medicare primary specialty in New Berlin, WI — not a recommendation.

All family doctors in New Berlin →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730166901
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