Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Zachary Gross, DO

Surgery Physician in Park Ridge, IL · enumerated 2022.

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

National Provider Identifier

1316682685

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Registry record

Entity type Individual (Type 1)

Name Dr. Zachary Gross

Credential DO

Sex Male

Practice address 1775 Dempster St, Mailbox #48, Park Ridge, IL, 60068

Phone (708) 684-8000

Enumeration date May 2, 2022

Last updated in NPPES Jul 11, 2025

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 125.079951 (IL) Primary

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

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

Is NPI 1316682685 active?

Yes, as of the latest NPPES snapshot, NPI 1316682685 is active (record last updated 2025-07-11).

How do I verify Zachary Gross's NPI record?

Cross-check NPI 1316682685 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-11.