Quick answers
- Where does Andrew D. Calhoun Sr. see patients?
- Medicare's clinician data lists 3 practice locations, including Gonzales, LA and Baton Rouge, LA. Call before your visit to confirm the address.
- What is Andrew D. Calhoun Sr.'s specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Andrew D. Calhoun Sr. accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew D. Calhoun Sr. 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.
- What is the phone number for Andrew D. Calhoun Sr.?
- (225) 621-5770, as listed in official Medicare / NPI Registry data.
- What is Andrew D. Calhoun Sr.'s NPI number?
- 1457422198. 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 Andrew D. Calhoun Sr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1056 E Worthy St, Suite BGonzales, LA 70737 (225) 621‑5770
- 2751 Wooddale Blvd, Suite ABaton Rouge, LA 70805 (225) 925‑1906
- 7855 Howell Blvd, Suite 200Baton Rouge, LA 70807 (225) 359‑9315
Group practices
Medicare enrollment lists Andrew D. Calhoun Sr. as a member of this group (CMS data updated 2026-10-02).
- Capital Area Human Services District31 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Gonzales
Clinicians with the same Medicare primary specialty in Gonzales, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457422198 |
| 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