Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Martin Jay Joffe, MD

Ophthalmology Physician in Blue Island, IL · enumerated 2005 · practices at Dupage Medical Group, Ltd.

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

National Provider Identifier

1508855446

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Registry record

Entity type Individual (Type 1)

Name Martin Jay Joffe

Credential MD

Sex Male

Practice address 2320 High St, Blue Island, IL, 60406

Phone (708) 388-5500

Fax (708) 388-5672

Enumeration date Oct 13, 2005

Last updated in NPPES Aug 29, 2023

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 036060763 (IL) 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
180031014	Other	IL	RAILROAD MEDICARE
036060763	Medicaid	IL	-

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 specialty is Martin Joffe?

Martin Joffe is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-29.