Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Img Endocrinology Pllc

Q: What is the NPI number for Img Endocrinology Pllc?

The NPI for Img Endocrinology Pllc is 1629881495, a Type 2 (organization) record in the CMS NPPES registry.

Endocrinology, Diabetes & Metabolism Physician in Buffalo Grove, IL · enumerated 2025 · authorized official Inessa Gelfand, Physician.

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

National Provider Identifier

1629881495

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Registry record

Entity type Organization (Type 2)

Legal business name Img Endocrinology Pllc

Practice address 150 W Half Day Rd Ste 202, Buffalo Grove, IL, 60089

Phone (224) 586-7533

Enumeration date Jan 27, 2025

Last updated in NPPES Apr 22, 2025

Taxonomy & classification

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Inessa Gelfand

Title Physician

Phone (224) 586-7533

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

Who is the authorized official for Img Endocrinology Pllc?

NPPES lists Inessa Gelfand (Physician) as the authorized official for this organization.

What is the NPI number for Img Endocrinology Pllc?

The NPI for Img Endocrinology Pllc is 1629881495, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-22.