Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Michael Haig, MD

Emergency Medicine Physician in Elizabeth, NJ · enumerated 2008 · practices at Trinitas Emergency Solutions PC.

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

National Provider Identifier

1063677029

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Registry record

Entity type Individual (Type 1)

Name Joseph Michael Haig

Credential MD

Sex Male

Practice address 225 Williamson St, Emergency Medicine Department, Elizabeth, NJ, 07207

Phone (908) 994-5000

Fax (908) 351-7930

Enumeration date Jul 18, 2008

Last updated in NPPES Jun 9, 2023

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 4301093035 (MI) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 25MA09266200 (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
12278829	Other	-	CAQH
0382973	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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Joseph Haig?

Joseph Haig is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Trinitas Emergency Solutions PC Emergency Medicine Physician · Elizabeth, NJ NPI 1174646244

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-09.