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JOHN MADDEN
NPI 1750506242
Chiropractor in Round Rock, TX

Active since April 17, 2007Accepts Medicare Assignment
1201 S I H 35 STE 103, ROUND ROCK, TX 78664(512) 255-0401(512) 255-0441 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About John Madden NPPES

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

JOHN MADDEN (NPI 1750506242) is an individual chiropractor in Round Rock, Texas, licensed in Texas (10046) and active in the NPI registry since April 2007. He is a graduate of Other (2002).

NPPES Registry Identity

NPI1750506242
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameJOHN MADDEN
Location Address1201 S I H 35 STE 103Round Rock, TX 78664-6646
Mailing Address1201 S I H 35 Ste 103Round Rock, TX 78664-6646
Phone(512) 255-0401
Fax(512) 255-0441
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateApril 17, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1750506242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in TX · 10046
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.
1201 S I H 35 STE 103, Round Rock, TX 78664
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified612378TX
Medicare UPINV09208TX

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

John Madden 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 ID749291318
PECOS Enrollment IDI20060510000377

Medicare Billing Reassignment

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

Espinoza Chiropractic Concepts Ltd LLP
9.5 mi
Chiropractor
1929 PAYTON GIN RD STE E
Austin, TX 78757
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1124323233 (512) 302-4773

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

Other Providers at the Same Location NPPES

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

MADDEN FAMILY CHIROPRACTIC PA
Chiropractor
1201 S I H 35 STE 103
ROUND ROCK, TX 78664
Williamson County (512) 255-0401

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 John Madden's NPI number?

The NPI number for John Madden is 1750506242. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Where is John Madden located?

John Madden practices at 1201 S I H 35 Ste 103, Round Rock, TX 78664. The listed phone number is (512) 255-0401.

What is John Madden's specialty?

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

Is John Madden enrolled in Medicare?

Yes. John Madden 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 John Madden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Madden reassigns Medicare benefits to Espinoza Chiropractic Concepts Ltd LLP (Austin, TX). 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 John Madden'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 John Madden was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.