Quick answers
- Which hospitals does Ashish Mamachen work at?
- Medicare's official clinician data lists Ashish Mamachen at 2 hospitals: Harlingen Medical Center and South Texas Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ashish Mamachen see patients?
- Medicare's clinician data lists 3 practice locations, including Edinburg, TX, McAllen, TX and Harlingen, TX. Call before your visit to confirm the address.
- What is Ashish Mamachen's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Ashish Mamachen accept Medicare assignment?
- Yes. Medicare's clinician data says Ashish Mamachen 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 Ashish Mamachen?
- (956) 388-6000, as listed in official Medicare / NPI Registry data.
- What is Ashish Mamachen's NPI number?
- 1053766873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ashish Mamachen works
Medicare's Facility Affiliation Data lists Ashish Mamachen 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
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · CCN 450119
Practice locations
Addresses where Ashish Mamachen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1102 W Trenton RdEdinburg, TX 78539 (956) 388‑6000
- 301 W Expressway, Suite 83McAllen, TX 78503 (956) 632‑4000
- 5501 S Expressway, 77 Harlingen Medical CenterHarlingen, TX 78550 (956) 365‑1000
Group practices
Medicare enrollment lists Ashish Mamachen as a member of these groups (CMS data updated 2026-10-02).
- McAllen Hospitalist Group PLLC108 clinicians in the group
- Padmini Bhadriraju MD P.A.20 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Edinburg
Clinicians with the same Medicare primary specialty in Edinburg, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053766873 |
| 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