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

John S. Koliopoulos, DO

Emergency Medicine Physician in Berkeley Heights, NJ · enumerated 2006.

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

National Provider Identifier

1053353516

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Registry record

Entity type Individual (Type 1)

Name John S. Koliopoulos

Credential DO

Sex Male

Practice address Berkeley Heights, NJ, 07922

Phone (908) 277-8880

Fax (908) 277-8796

Enumeration date Jun 11, 2006

Last updated in NPPES Dec 3, 2025

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

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 25MB06001400 (NJ) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MB60014 (NJ) Secondary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
223586664	Other	NJ	TRICARE/CHAMPUS
223586664	Other	NJ	BCBS
6880908	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 John Koliopoulos?

The National Provider Identifier (NPI) for John Koliopoulos is 1053353516, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Koliopoulos practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-03.