Quick answers
- Where does John A. Maddoux see patients?
- Medicare's clinician data lists 2 practice locations, including San Antonio, TX and Arlington, TX. Call before your visit to confirm the address.
- What is John A. Maddoux's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does John A. Maddoux accept Medicare assignment?
- Yes. Medicare's clinician data says John A. Maddoux accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John A. Maddoux offer telehealth?
- Medicare's clinician data says John A. Maddoux offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John A. Maddoux?
- (210) 910-6653, as listed in official Medicare / NPI Registry data.
- What is John A. Maddoux's NPI number?
- 1386159705. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John A. Maddoux is enrolled with Medicare (CMS data updated 2026-10-02).
- 4100 E Piedras Dr, Suite 165San Antonio, TX 78228 (210) 910‑6653
- 6043 W Interstate 20Arlington, TX 76017 (817) 533‑0825
Group practices
Medicare enrollment lists John A. Maddoux as a member of this group (CMS data updated 2026-10-02).
- Center for Psychological Services, PLLC3 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386159705 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians