Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Arathy S. Vamadevan, MD

Works at hospitals in Washington, DC · District of Columbia

Summary

Arathy S. Vamadevan, MD (Internal Medicine) is listed by Medicare at 1 hospital in Washington, DC. NPI 1548589989. 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 Arathy S. Vamadevan, 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
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
State University Of New York Downstate Medical CenterMedical school
FemaleGender (as listed)
MedStar Medical Group II LLCGroup practice

Quick answers

Which hospitals does Arathy S. Vamadevan work at?
Medicare's official clinician data lists Arathy S. Vamadevan at 1 hospital: MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Arathy S. Vamadevan see patients?
Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
What is Arathy S. Vamadevan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Arathy S. Vamadevan accept Medicare assignment?
Yes. Medicare's clinician data says Arathy S. Vamadevan 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 Arathy S. Vamadevan?
(202) 877-7000, as listed in official Medicare / NPI Registry data.
What is Arathy S. Vamadevan's NPI number?
1548589989. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Arathy S. Vamadevan works

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

Group practices

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

  • MedStar Medical Group II LLC3,767 clinicians in the group

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

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548589989
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