Quick answers
- Which hospitals does Marco A. Araneda work at?
- Medicare's official clinician data lists Marco A. Araneda at 2 hospitals: Harlingen Medical Center and VHS Harlingen Hospital Company LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marco A. Araneda see patients?
- Medicare's clinician data lists 1 practice location in Harlingen, TX. Call before your visit to confirm the address.
- What is Marco A. Araneda's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Medical Oncology.
- Does Marco A. Araneda accept Medicare assignment?
- Yes. Medicare's clinician data says Marco A. Araneda 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 Marco A. Araneda?
- (956) 425-8845, as listed in official Medicare / NPI Registry data.
- What is Marco A. Araneda's NPI number?
- 1336181502. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marco A. Araneda works
Medicare's Facility Affiliation Data lists Marco A. Araneda at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · CCN 450855
- VHS Harlingen Hospital Company LLCHarlingen, TX · Acute Care Hospital · CCN 450033
Practice locations
Addresses where Marco A. Araneda is enrolled with Medicare (CMS data updated 2026-10-02).
- 2121 Pease St, Suite 101Harlingen, TX 78550 (956) 425‑8845
Group practices
Medicare enrollment lists Marco A. Araneda as a member of this group (CMS data updated 2026-10-02).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Medical Oncologyalso
Other hematologist-oncologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336181502 |
| 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