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Hematology/Oncology

Alexander Starr, MD

Works at hospitals in Chilton, WI · Appleton, WI · Sturgeon Bay, WI … · Wisconsin

Summary

Alexander Starr, MD (Hematology/Oncology) is listed by Medicare at 4 hospitals in Chilton, WI, Appleton, WI and Sturgeon Bay, WI and other places. NPI 1790722619. 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 Alexander Starr, 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
31Years since medical school (graduated 1995)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
St Vincent Hospital-Hospital Sisters-Third Order of St FrancisGroup practice (+2 more)

Quick answers

Which hospitals does Alexander Starr work at?
Medicare's official clinician data lists Alexander Starr at 4 hospitals: Ascension Calumet Hospital, Ascension NE Wisconsin - St Elizabeth Campus, Door County Medical Center and St Vincent Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Starr see patients?
Medicare's clinician data lists 5 practice locations, including Appleton, WI, Green Bay, WI and Sturgeon Bay, WI. Call before your visit to confirm the address.
What is Alexander Starr's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Alexander Starr accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Starr 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 Alexander Starr?
(920) 738-2000, as listed in official Medicare / NPI Registry data.
What is Alexander Starr's NPI number?
1790722619. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Starr works

Medicare's Facility Affiliation Data lists Alexander Starr 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 Alexander Starr is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alexander Starr as a member of these groups (CMS data updated 2026-10-02).

  • St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
  • Ascension Medical Group-Fox Valley Wisconsin, Inc259 clinicians in the group
  • Ascension NE Wisconsin, Inc19 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Wisconsin →

Other hematologist-oncologists in Appleton

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

All hematologist-oncologists in Appleton →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790722619
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