DR. JOHN A MADDOUX PHD
NPI 1386159705
Psychologist in San Antonio, TX
About Dr. John A Maddoux Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN A MADDOUX PHD (NPI 1386159705) is an individual psychologist in San Antonio, Texas, licensed in Texas (37699) and active in the NPI registry since December 2017. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
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. John A Maddoux Phd 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.
Medicare Billing Reassignments
2Medicare enrollment records show John Maddoux reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78228
- Reassigned Medicare billing, Texas enrollment
- 5 clinicians in this Medicare group
Arlington, TX 76017
- Reassigned Medicare billing, Texas enrollment
- 14 clinicians in this Medicare group
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 2
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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78228
SAN ANTONIO, TX 78228
SAN ANTONIO, TX 78228
SAN ANTONIO, TX 78228
SAN ANTONIO, TX 78228
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 Maddoux's NPI number?
The NPI number for John Maddoux is 1386159705. It was assigned to this individual provider in the NPPES registry on December 7, 2017.
Where is John Maddoux located?
John Maddoux practices at 4100 E Piedras Dr Ste 165, San Antonio, TX 78228. The listed phone number is (210) 705-5060.
What is John Maddoux's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is John Maddoux enrolled in Medicare?
Yes. John Maddoux 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 organizations bill Medicare for John Maddoux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Maddoux reassigns Medicare benefits to 2 organizations: R A Alvarado Medical PLLC (San Antonio, TX) and Center For Psychological Services, PLLC (Arlington, TX). Each 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 Maddoux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Maddoux accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan and 4 other insurers list John Maddoux as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for John Maddoux was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.