1. Home
  2. Directory
  3. Nebraska
  4. Elkhorn
  5. Chiropractor
  6. NPI Profile

DR. GARRETT RAYMOND MACK D.C.
NPI 1700161775
Chiropractor in Elkhorn, NE

Active since October 20, 2011Accepts Medicare Assignment
18924 EVANS ST, SUITE 105, ELKHORN, NE 68022(531) 999-3842 Get Directions Write a Review

NPPES record last updated: October 14, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 14, 2019, Aug 28, 2019 (2 updates tracked since 2019).

About Dr. Garrett Raymond Mack D.c. NPPES

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

DR. GARRETT RAYMOND MACK D.C. (NPI 1700161775) is an individual chiropractor in Elkhorn, Nebraska, licensed in Nebraska (2019) and active in the NPI registry since October 2011. He is a graduate of Palmer College Chiropractic - Davenport (2011).

NPPES Registry Identity

NPI1700161775
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. GARRETT RAYMOND MACKCredential: D.C.
Location Address18924 EVANS ST, SUITE 105Elkhorn, NE 68022
Mailing Address18924 Evans St., Suite 105Elkhorn, NE 68022 · (531) 466-8611 · Fax (531) 999-3842
Phone(531) 999-3842
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2011
Enumeration DateOctober 20, 2011
Last NPPES UpdateOctober 14, 20192 updates tracked since enumeration
✔ NPI 1700161775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in NE · 2019✔ Licensed in AZ · 8225
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.
18924 EVANS ST, Elkhorn, NE 68022
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Garrett Raymond Mack D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890968820
PECOS Enrollment IDI20191025000242

Medicare Billing Reassignment

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

Gb Enterprises LLC
Same address
Chiropractor
18924 EVANS ST., SUITE 105
Elkhorn, NE 68022
  • Reassigned Medicare billing, Nebraska enrollment
  • 3 clinicians in this Medicare group
NPI 1124672860 (531) 466-8611

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.
305 services25 patients

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 Garrett Mack's NPI number?

The NPI number for Garrett Mack is 1700161775. It was assigned to this individual provider in the NPPES registry on October 20, 2011.

Where is Garrett Mack located?

Garrett Mack practices at 18924 Evans St Suite 105, Elkhorn, NE 68022. The listed phone number is (531) 999-3842.

What is Garrett Mack's specialty?

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

Is Garrett Mack enrolled in Medicare?

Yes. Garrett Mack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Garrett Mack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Mack reassigns Medicare benefits to Gb Enterprises LLC (Elkhorn, NE). 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 Garrett Mack'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 Garrett Mack was last updated on October 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.