Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Advanced Retinal Institute, Inc.

Ophthalmology Physician in Palos Heights, IL · enumerated 2007 · authorized official Calvin Grant, President.

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

National Provider Identifier

1760666754

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Registry record

Entity type Organization (Type 2)

Legal business name Advanced Retinal Institute, Inc.

Practice address 7808 W College Dr, 1nw, Palos Heights, IL, 60463

Phone (708) 499-0123

Fax (708) 499-0611

Enumeration date Dec 26, 2007

Last updated in NPPES Jul 7, 2010

Taxonomy & classification

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 036111343 (IL) Primary

Authorized official

Name Calvin Grant

Title President

Phone (708) 499-0123

Other identifiers

Identifier	Type	State	Issuer
036111343	Medicaid	IL	-
216010	Other	IL	PTAN
217046046	Medicaid	IL	-
1760666754	Other	IL	NPI

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Advanced Retinal Institute, Inc.?

Advanced Retinal Institute, Inc. is registered in NPPES as a Ophthalmology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-07.