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

Internal Medicine

Leonard K. Song, DO

Sees patients in Indianapolis, IN · Indiana

Summary

Leonard K. Song, DO (Internal Medicine) is enrolled with Medicare at 2 practice locations in Indianapolis, IN. NPI 1689137804. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard K. Song, 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
7Years since medical school (graduated 2019)
MaleGender (as listed)

Quick answers

Where does Leonard K. Song see patients?
Medicare's clinician data lists 2 practice locations, including Indianapolis, IN. Call before your visit to confirm the address.
What is Leonard K. Song's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Leonard K. Song accept Medicare assignment?
Medicare's clinician data says Leonard K. Song may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Leonard K. Song's NPI number?
1689137804. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Leonard K. Song is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All internal medicine doctors in Indianapolis →

Clinician information

CredentialDO
Graduation year2019
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1689137804
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians