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Gastroenterology

William Lou, MD

Sees patients in Hamilton, NJ · New Jersey

Summary

William Lou, MD (Gastroenterology) is enrolled with Medicare at 1 practice location in Hamilton, NJ. NPI 1306930920. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(609) 890‑1050 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about William 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

1Practice location
GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
47Years since medical school (graduated 1979)
MaleGender (as listed)
Azz Medical Associates PCGroup practice

Quick answers

Where does William Lou see patients?
Medicare's clinician data lists 1 practice location in Hamilton, NJ. Call before your visit to confirm the address.
What is William Lou's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does William Lou accept Medicare assignment?
Yes. Medicare's clinician data says William Lou 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.
Does William Lou offer telehealth?
Medicare's clinician data says William Lou offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William Lou?
(609) 890-1050, as listed in official Medicare / NPI Registry data.
What is William Lou's NPI number?
1306930920. 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 William Lou is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William Lou as a member of this group (CMS data updated 2026-10-02).

  • Azz Medical Associates PC72 clinicians in the group

Specialties

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in Hamilton

Clinicians with the same Medicare primary specialty in Hamilton, NJ — not a recommendation.

All gastroenterologists in Hamilton →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306930920
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