MELLGREN CHIROPRACTIC CLINIC
NPI 1154467934
Chiropractor in West, TX

Active since January 29, 2007
109 N REAGAN ST, WEST, TX 76691(254) 826-3737(254) 826-3769 Get Directions Write a Review

NPPES record last updated: August 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 29, 2022, Aug 4, 2022 (2 updates tracked since 2022).

About Mellgren Chiropractic Clinic NPPES

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

MELLGREN CHIROPRACTIC CLINIC (NPI 1154467934) is a healthcare organization registered as a chiropractor in West, Texas and active in the NPI registry since January 2007. The organization lists Michael Aaron Mellgren, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1154467934
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameDR WALTER J MELLGREN JR DC PA
Location Address109 N REAGAN STWest, TX 76691-1446
Mailing AddressPo Box 475West, TX 76691-0475 · (254) 826-3737
Fax(254) 826-3769
Organization SubpartNo
Authorized OfficialMichael Aaron MellgrenOwner/president · (254) 826-3737
Enumeration DateJanuary 29, 2007
Last NPPES UpdateAugust 29, 20222 updates tracked since enumeration
NPPES CertifiedAugust 29, 2022
✔ NPI 1154467934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
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.
109 N REAGAN ST, West, TX 76691

Other Names 1

Doing Business AsMellgren Chiropractic Clinic

Other Identifiers 1

Other00L71LTX · Blue Cross Blueshield Of Texas

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mellgren Chiropractic Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mellgren Chiropractic Clinic, which bills Medicare for the services this clinician delivers.

Clinician (1)

Chiropractic
NPI 1922037837
10116 SADDLE CREEK RD
Waco, TX 76708
(254) 836-1010
✔ Accepts Medicare15 mi

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

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 Dr Walter J Mellgren Jr Dc PA's NPI number?

The NPI number for Dr Walter J Mellgren Jr Dc PA is 1154467934. It was assigned to this organization in the NPPES registry on January 29, 2007. The provider is doing business as Mellgren Chiropractic Clinic.

Where is Dr Walter J Mellgren Jr Dc PA located?

Dr Walter J Mellgren Jr Dc PA is located at 109 N Reagan St, West, TX 76691. The listed phone number is (254) 826-3737.

What is Dr Walter J Mellgren Jr Dc PA's specialty?

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

Is Dr Walter J Mellgren Jr Dc PA enrolled in Medicare?

Yes. Dr Walter J Mellgren Jr Dc PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Walter J Mellgren Jr Dc PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Dr Walter J Mellgren Jr Dc PA. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dr Walter J Mellgren Jr Dc PA was last updated on August 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.