DR. JEFFREY WILLIAM GROSS SAC-IT
NPI 1720865488
Counselor - Addiction (Substance Use Disorder) in Green Bay, WI

Q: What is Jeffrey Gross's NPI number?

The NPI number for Jeffrey Gross is 1720865488. It was assigned to this individual provider in the NPPES registry on September 14, 2023.

Q: What is Jeffrey Gross's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Gross was last updated on September 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 14, 2023

540 N BROADWAY RM 142, GREEN BAY, WI 54303(920) 246-5990 Get Directions Write a Review

NPPES record last updated: September 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Jeffrey William Gross Sac-it NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEFFREY WILLIAM GROSS SAC-IT (NPI 1720865488) is an individual addiction (substance use disorder) provider in Green Bay, Wisconsin, licensed in Wisconsin (20388-130) and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1720865488

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameDR. JEFFREY WILLIAM GROSSCredential: SAC-IT

Location Address540 N BROADWAY RM 142Green Bay, WI 54303-3404

Mailing Address540 N Broadway Rm 142Green Bay, WI 54303-3404 · (920) 246-5990

Phone(920) 246-5990

Sole ProprietorYes

Enumeration DateSeptember 14, 2023

Last NPPES UpdateSeptember 20, 2025

NPPES CertifiedSeptember 20, 2025

✔ NPI 1720865488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in WI · 20388-130

540 N BROADWAY RM 142, Green Bay, WI 54303

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Gross's NPI number?

The NPI number for Jeffrey Gross is 1720865488. It was assigned to this individual provider in the NPPES registry on September 14, 2023.

Where is Jeffrey Gross located?

Jeffrey Gross practices at 540 N Broadway Rm 142, Green Bay, WI 54303. The listed phone number is (920) 246-5990.

What is Jeffrey Gross's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Jeffrey Gross was last updated on September 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.