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Gastroenterology

Alexander S. Lee, MD

Works at hospitals in Columbus, WI · Baraboo, WI · Janesville, WI … · Wisconsin

Summary

Alexander S. Lee, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Columbus, WI, Baraboo, WI and Janesville, WI and other places. NPI 1811351042. 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 S. Lee, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Dean Health Systems IncGroup practice

Quick answers

Which hospitals does Alexander S. Lee work at?
Medicare's official clinician data lists Alexander S. Lee at 5 hospitals: Columbus Community Hospital, SSM Health St Clare Hospital - Baraboo, SSM Health St Mary's Hospital - Janesville, SSM Health St Mary's Hospital - Madison and Upland Hills Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander S. Lee see patients?
Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
What is Alexander S. Lee's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Alexander S. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Alexander S. Lee 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.
Does Alexander S. Lee offer telehealth?
Medicare's clinician data says Alexander S. Lee offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander S. Lee?
(608) 260-2900, as listed in official Medicare / NPI Registry data.
What is Alexander S. Lee's NPI number?
1811351042. 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 S. Lee works

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

Group practices

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

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Madison

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

All gastroenterologists in Madison →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811351042
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