Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Timothy Lam, M.D.

Q: What is the NPI number for John Lam?

The National Provider Identifier (NPI) for John Lam is 1821013012, a Type 1 (individual) record in the CMS NPPES registry.

Anatomic Pathology & Clinical Pathology Physician in Jackson, MS · enumerated 2006.

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

National Provider Identifier

1821013012

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Registry record

Entity type Individual (Type 1)

Name John Timothy Lam

Credential M.D.

Sex Male

Practice address 2500 N State St, Jackson, MS, 39216

Phone (601) 984-1530

Fax (601) 984-1531

Enumeration date Jul 12, 2006

Last updated in NPPES Jan 6, 2016

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 18833 (MS) Primary

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

Other identifiers

Identifier	Type	State	Issuer
CN1327	Other	MS	RR MEDICARE GROUP (UPA)
P00669660	Other	MS	RR MEDICARE
P01435530	Other	MS	RAILROAD MEDICARE PTAN
P00361807	Other	MS	RAILROAD MEDICARE
01880521	Medicaid	MS	-

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

What is the NPI number for John Lam?

The National Provider Identifier (NPI) for John Lam is 1821013012, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Lam practice?

The practice location on file with NPPES is in Jackson, MS. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

University Ophthalmology Associates Ophthalmology Physician · Jackson, MS NPI 1477556231 George Russell Orthopaedic Trauma Physician · Jackson, MS NPI 1629072509 Lori Reed Orthopaedic Foot and Ankle Surgery Physician · Jackson, MS NPI 1285639955 Brian Crabtree Psychiatric Pharmacist · Jackson, MS NPI 1770580961 Jack Lewin Anatomic Pathology Physician · Jackson, MS NPI 1033117445 Robin Christian Family Nurse Practitioner · Jackson, MS NPI 1245230887 John Bethea Anesthesiology Physician · Jackson, MS NPI 1568462141 Linda Brodell Ophthalmology Physician · Jackson, MS NPI 1043210321

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-06.