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Internal Medicine

Viswaja Kaja, DO

Works at hospitals in Lancaster, PA · Pennsylvania

Summary

Dr. Viswaja Kaja, DO is an internal medicine doctor at 555 N Duke St, Lancaster, PA 17602. May accept Medicare assignment. NPI 1407598378. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 555 N Duke St, Lancaster, PA 17602 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Hospital: Lancaster General Hospital
  • Medical school: graduated 2022 (4 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Viswaja Kaja, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Viswaja Kaja accept Medicare assignment?
Medicare's clinician data says Viswaja Kaja may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Viswaja Kaja's NPI number?
1407598378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Viswaja Kaja works

Medicare's Facility Affiliation Data lists Viswaja Kaja at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Viswaja Kaja is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Lancaster

Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.

All internal medicine doctors in Lancaster →

Clinician information

CredentialDO
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1407598378
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians