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Internal Medicine

Shalini M. Sitzmann, DO

Works at hospitals in Washington, DC · Arlington, VA · District of Columbia, Virginia

Summary

Shalini M. Sitzmann, DO (Internal Medicine) is listed by Medicare at 2 hospitals in Washington, DC and Arlington, VA. NPI 1851566376. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Shalini M. Sitzmann, 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of North Texas Hsc, College Of Osteopathic MedMedical school
FemaleGender (as listed)

Quick answers

Which hospitals does Shalini M. Sitzmann work at?
Medicare's official clinician data lists Shalini M. Sitzmann at 2 hospitals: Sibley Memorial Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Shalini M. Sitzmann see patients?
Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
What is Shalini M. Sitzmann's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Shalini M. Sitzmann accept Medicare assignment?
Medicare's clinician data says Shalini M. Sitzmann may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Shalini M. Sitzmann's NPI number?
1851566376. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Shalini M. Sitzmann works

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

Specialties

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All internal medicine doctors in Washington →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2005
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1851566376
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