Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Greg Matthew Teo, M.D.

Infectious Disease Physician in Mount Laurel, NJ · enumerated 2015.

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

National Provider Identifier

1336514348

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Registry record

Entity type Individual (Type 1)

Name Greg Matthew Teo

Credential M.D.

Sex Male

Practice address Mount Laurel, NJ, 08054

Phone (856) 206-4410

Fax (856) 866-9088

Enumeration date Dec 2, 2015

Last updated in NPPES Nov 1, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License 25MA10830400 (NJ) 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
0738450	Medicaid	NJ	-

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 Greg Matthew Teo?

The National Provider Identifier (NPI) for Greg Matthew Teo is 1336514348, a Type 1 (individual) record in the CMS NPPES registry.

Where does Greg Matthew Teo practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-01.