Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MALLORIE GRETCHEN GREGG DC
NPI 1447041611
Chiropractor in Rockville, IN

Active since May 15, 2025Accepts Medicare Assignment
393 W US HIGHWAY 36, ROCKVILLE, IN 47872(765) 569-3440(765) 569-3362 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mallorie Gretchen Gregg Dc NPPES

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

MALLORIE GRETCHEN GREGG DC (NPI 1447041611) is an individual chiropractor in Rockville, Indiana, licensed in Indiana (08003515A) and active in the NPI registry since May 2025. She is a graduate of Other (2025).

NPPES Registry Identity

NPI1447041611
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameMALLORIE GRETCHEN GREGGCredential: DC
Location Address393 W US HIGHWAY 36Rockville, IN 47872-7384
Mailing Address393 W Us Highway 36Rockville, IN 47872-7384 · (765) 569-3440 · Fax (765) 569-3362
Fax(765) 569-3362
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMay 15, 2025
Last NPPES UpdateJune 23, 2026
NPPES CertifiedJune 23, 2026
NPI 1447041611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License Licensed in IN · 08003515A
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.
393 W US HIGHWAY 36, Rockville, IN 47872

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mallorie Gretchen Gregg Dc 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 ID5092210732
PECOS Enrollment IDI20250924003098

Other Providers at the Same Location NPPES

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

Chiropractor
393 W US HIGHWAY 36
ROCKVILLE, IN 47872

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 Mallorie Gregg's NPI number?

The NPI number for Mallorie Gregg is 1447041611. It was assigned to this individual provider in the NPPES registry on May 15, 2025.

Where is Mallorie Gregg located?

Mallorie Gregg practices at 393 W Us Highway 36, Rockville, IN 47872. The listed phone number is (765) 569-3440.

What is Mallorie Gregg's specialty?

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

Is Mallorie Gregg enrolled in Medicare?

Yes. Mallorie Gregg 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.

When was this NPI record last updated?

The NPPES record for Mallorie Gregg was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.