Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Walter Lam, MD

Student in an Organized Health Care Education/Training Program in New Orleans, LA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1629631643

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Registry record

Entity type Individual (Type 1)

Name Walter Lam

Credential MD

Sex Male

Practice address 1401 Jefferson Hwy Fl Center1, New Orleans, LA, 70121

Phone (504) 842-3260

Enumeration date Apr 16, 2019

Last updated in NPPES Apr 16, 2019

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1629631643 active?

Yes, as of the latest NPPES snapshot, NPI 1629631643 is active (record last updated 2019-04-16).

How do I verify Walter Lam's NPI record?

Cross-check NPI 1629631643 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-16.