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

Internal Medicine

Terry M. Lou, MD

Sees patients in Los Angeles, CA · California

Summary

Terry M. Lou, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1548789456. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Terry M. Lou, 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
3Years since medical school (graduated 2023)
Northwestern University Feinberg Medical SchoolMedical school
FemaleGender (as listed)

Quick answers

Where does Terry M. Lou see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Terry M. Lou's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
Does Terry M. Lou accept Medicare assignment?
Medicare's clinician data says Terry M. Lou may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Terry M. Lou's NPI number?
1548789456. 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 Terry M. Lou is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All internal medicine doctors in Los Angeles →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2023
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1548789456
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