Quick answers
- Which hospitals does Don S. Callens work at?
- Medicare's official clinician data lists Don S. Callens at 2 hospitals: Houston Methodist Baytown Hospital and Liberty Dayton Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Don S. Callens see patients?
- Medicare's clinician data lists 1 practice location in Liberty, TX. Call before your visit to confirm the address.
- What is Don S. Callens's specialty?
- Medicare lists Family Practice as the primary specialty, and also Hospice/Palliative Care.
- Does Don S. Callens accept Medicare assignment?
- Yes. Medicare's clinician data says Don S. Callens 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 Don S. Callens?
- (936) 336-6439, as listed in official Medicare / NPI Registry data.
- What is Don S. Callens's NPI number?
- 1528285079. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Don S. Callens works
Medicare's Facility Affiliation Data lists Don S. Callens at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Baytown HospitalBaytown, TX · Acute Care Hospital · CCN 450424
- Liberty Dayton Regional Medical CenterLiberty, TX · Critical Access Hospital · CCN 451375
Practice locations
Addresses where Don S. Callens is enrolled with Medicare (CMS data updated 2026-10-02).
- 720 Travis StLiberty, TX 77575 (936) 336‑6439
Group practices
Medicare enrollment lists Don S. Callens as a member of this group (CMS data updated 2026-10-02).
- Liberty Medical Surgical Clinic PA2 clinicians in the group
Specialties
- Family Practiceprimary
- Hospice/Palliative Carealso
Other family doctors in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528285079 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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