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Hematology/Oncology

William A. Hitzelberger, DO

Works at hospitals in Alpena, MI · Midland, MI · West Branch, MI … · Michigan

Summary

William A. Hitzelberger, DO (Hematology/Oncology) is listed by Medicare at 5 hospitals in Alpena, MI, Midland, MI and West Branch, MI and other places. NPI 1659312601. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William A. Hitzelberger, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Michigan State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
MyMichigan Medical Center AlpenaGroup practice

Quick answers

Which hospitals does William A. Hitzelberger work at?
Medicare's official clinician data lists William A. Hitzelberger at 5 hospitals: MyMichigan Medical Center Alpena, MyMichigan Medical Center Midland, MyMichigan Medical Center West Branch, Tawas St Joseph Hospital and University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William A. Hitzelberger see patients?
Medicare's clinician data lists 1 practice location in Alpena, MI. Call before your visit to confirm the address.
What is William A. Hitzelberger's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does William A. Hitzelberger accept Medicare assignment?
Yes. Medicare's clinician data says William A. Hitzelberger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for William A. Hitzelberger?
(989) 356-7242, as listed in official Medicare / NPI Registry data.
What is William A. Hitzelberger's NPI number?
1659312601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William A. Hitzelberger works

Medicare's Facility Affiliation Data lists William A. Hitzelberger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William A. Hitzelberger is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William A. Hitzelberger as a member of this group (CMS data updated 2026-10-02).

  • MyMichigan Medical Center Alpena91 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Michigan →

Other hematologist-oncologists in Michigan

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

All hematologist-oncologists in Michigan →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659312601
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians