Quick answers
- Does Johanne N. Chaglasian accept Medicare assignment?
- Yes. Medicare's clinician data says Johanne N. Chaglasian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Johanne N. Chaglasian's NPI number?
- 1174267462. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Johanne N. Chaglasian works
Medicare's Facility Affiliation Data lists Johanne N. Chaglasian at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450855
- Knapp Medical CenterWeslaco, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450128
- South Texas Health SystemEdinburg, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450119
- VHS Harlingen Hospital Company LLCHarlingen, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450033
Practice locations
Addresses where Johanne N. Chaglasian is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1021 W Interstate 2Weslaco, TX 78596 (956) 969‑7300
- 1102 W Trenton RdEdinburg, TX 78539 (956) 388‑6000
- 140 Frontage RdAlamo, TX 78516 (956) 403‑5100
- 1725 N Ed Carey DrHarlingen, TX 78550 (956) 389‑4382
- 301 W Expressway, Suite 83McAllen, TX 78503 (956) 632‑4000
Group practices
Medicare enrollment lists Johanne N. Chaglasian as a member of these groups (CMS data updated October 2, 2026).
- McAllen Emergency Medicine Associates PA79 clinicians in the group
- Edinburg Emergency Medicine Associates PA72 clinicians in the group
- Oak Creek Emergency Medicine Associates PA67 clinicians in the group
- Canyon Springs Emergency Medicine Associates PA58 clinicians in the group
- Arroyo Emergency Medicine Services, PA49 clinicians in the group
- Municipal Emergency Medicine Associates, PA49 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Weslaco
Clinicians with the same Medicare primary specialty in Weslaco, TX — not a recommendation.
Other clinicians in McAllen Emergency Medicine Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174267462 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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