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ISAIAH J GRIESBACH D.C.
NPI 1447917703
Chiropractor in Green Bay, WI

Active since November 22, 2021
1624 E MASON ST, GREEN BAY, WI 54302(920) 465-0400(920) 465-1430 Get Directions Write a Review

NPPES record last updated: December 30, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 30, 2022, Nov 22, 2021 (2 updates tracked since 2021).

About Isaiah J Griesbach D.c. NPPES

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

ISAIAH J GRIESBACH D.C. (NPI 1447917703) is an individual chiropractor in Green Bay, Wisconsin, licensed in Wisconsin (5693-12) and active in the NPI registry since November 2021.

NPPES Registry Identity

NPI1447917703
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameISAIAH J GRIESBACHCredential: D.C.
Location Address1624 E MASON STGreen Bay, WI 54302-2739
Mailing Address105 Maple DrBonduel, WI 54107-9243 · (715) 851-4461
Phone(920) 465-0400
Fax(920) 465-1430
Sole ProprietorYes
Enumeration DateNovember 22, 2021
Last NPPES UpdateDecember 30, 20222 updates tracked since enumeration
NPPES CertifiedDecember 30, 2022
✔ NPI 1447917703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in WI · 5693-12
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
1624 E MASON ST, Green Bay, WI 54302
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isaiah J Griesbach D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Isaiah Griesbach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

East Side Chiropractic And Laser Therapy Center LLC
0.1 mi
Chiropractor
1624 E MASON ST
Green Bay, WI 54302
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2 clinicians in this Medicare group
NPI 1508506353 (920) 465-0400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
121 services17 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENNETH A. URBAN D.C.
Chiropractor
1624 E MASON ST
GREEN BAY, WI 54302
Brown County (920) 465-0400
ZASTROW CHIROPRACTIC OFFICE, LLC
Chiropractor (Nutrition)
1624 E MASON ST
GREEN BAY, WI 54302
Brown County (920) 465-0400
EAST SIDE CHIROPRACTIC AND LASER THERAPY CENTER LLC
Chiropractor
1624 E MASON ST
GREEN BAY, WI 54302
Brown County (920) 465-0400

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 Isaiah Griesbach's NPI number?

The NPI number for Isaiah Griesbach is 1447917703. It was assigned to this individual provider in the NPPES registry on November 22, 2021.

Where is Isaiah Griesbach located?

Isaiah Griesbach practices at 1624 E Mason St, Green Bay, WI 54302. The listed phone number is (920) 465-0400.

What is Isaiah Griesbach's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Isaiah Griesbach enrolled in Medicare?

Yes. Isaiah Griesbach is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isaiah Griesbach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaiah Griesbach reassigns Medicare benefits to East Side Chiropractic And Laser Therapy Center LLC (Green Bay, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isaiah Griesbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isaiah Griesbach was last updated on December 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.