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Ophthalmology

Alexander A. Foster, MD

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

Summary

Alexander A. Foster, MD (Ophthalmology) is listed by Medicare at 2 hospitals in Green Bay, WI and Sturgeon Bay, WI. NPI 1992233662. 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 A. Foster, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
University Of Washington School Of MedicineMedical school
MaleGender (as listed)
BayCare Clinic LLPGroup practice

Quick answers

Which hospitals does Alexander A. Foster work at?
Medicare's official clinician data lists Alexander A. Foster at 2 hospitals: Aurora BayCare Medical Center and Door County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander A. Foster see patients?
Medicare's clinician data lists 1 practice location in Green Bay, WI. Call before your visit to confirm the address.
What is Alexander A. Foster's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Alexander A. Foster accept Medicare assignment?
Yes. Medicare's clinician data says Alexander A. Foster 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 A. Foster?
(920) 327-7000, as listed in official Medicare / NPI Registry data.
What is Alexander A. Foster's NPI number?
1992233662. 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 A. Foster works

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

Group practices

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

  • BayCare Clinic LLP200 clinicians in the group

Specialties

Find other Ophthalmology doctors in Wisconsin →

Other ophthalmologists in Green Bay

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

All ophthalmologists in Green Bay →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992233662
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