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Gastroenterology

Rajesh Santharam, MD

Works at hospitals in Milwaukee, WI · Oconomowoc, WI · Waukesha, WI · Wisconsin

Summary

Rajesh Santharam, MD (Gastroenterology) is listed by Medicare at 3 hospitals in Milwaukee, WI, Oconomowoc, WI and Waukesha, WI. NPI 1447227129. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rajesh Santharam, 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
May acceptAccepts Medicare assignment
28Years since medical school (graduated 1998)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Gi Associates LLCGroup practice (+2 more)

Quick answers

Which hospitals does Rajesh Santharam work at?
Medicare's official clinician data lists Rajesh Santharam at 3 hospitals: Ascension SE Wisconsin Hospital, Oconomowoc Memorial Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Rajesh Santharam see patients?
Medicare's clinician data lists 3 practice locations, including Wauwatosa, WI, Waukesha, WI and Oconomowoc, WI. Call before your visit to confirm the address.
What is Rajesh Santharam's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Rajesh Santharam accept Medicare assignment?
Medicare's clinician data says Rajesh Santharam may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Rajesh Santharam?
(414) 454-0600, as listed in official Medicare / NPI Registry data.
What is Rajesh Santharam's NPI number?
1447227129. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Rajesh Santharam works

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

Group practices

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

  • Gi Associates LLC55 clinicians in the group
  • Gastroenterology Specialists SC30 clinicians in the group
  • Milwaukee Gi Specialists SC15 clinicians in the group

Specialties

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Wauwatosa

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

All gastroenterologists in Wauwatosa →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1998
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1447227129
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