JOHANNE CHAGLASIAN MD
NPI 1174267462
Emergency Medicine in Weslaco, TX
About Johanne Chaglasian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHANNE CHAGLASIAN MD (NPI 1174267462) is an individual emergency medicine provider in Weslaco, Texas, licensed in Texas (W0143) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Johanne Chaglasian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Johanne Chaglasian reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weslaco, TX 78596
- Reassigned Medicare billing, Texas enrollment
- 52 clinicians in this Medicare group
Alamo, TX 78516
- Reassigned Medicare billing, Texas enrollment
- 145 clinicians in this Medicare group
Edinburg, TX 78539
- Reassigned Medicare billing, Texas enrollment
- 257 clinicians in this Medicare group
Mcallen, TX 78503
- Reassigned Medicare billing, Texas enrollment
- 170 clinicians in this Medicare group
Edinburg, TX 78539
- Reassigned Medicare billing, Texas enrollment
- 136 clinicians in this Medicare group
Edinburg, TX 78541
- Reassigned Medicare billing, Texas enrollment
- 154 clinicians in this Medicare group
Mcallen, TX 78504
- Reassigned Medicare billing, Texas enrollment
- 150 clinicians in this Medicare group
Harlingen, TX 78550
- Reassigned Medicare billing, Texas enrollment
- 47 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vhs Harlingen Hospital Company LLC
Acute Care Hospitals · Harlingen, TXSouth Texas Health System
Acute Care Hospitals · Edinburg, TXKnapp Medical Center
Acute Care Hospitals · Weslaco, TXHarlingen Medical Center
Acute Care Hospitals · Harlingen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78596 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESLACO, TX 78596
WESLACO, TX 78596
WESLACO, TX 78596
WESLACO, TX 78596
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Johanne Chaglasian's NPI number?
The NPI number for Johanne Chaglasian is 1174267462. It was assigned to this individual provider in the NPPES registry on April 23, 2022.
Where is Johanne Chaglasian located?
Johanne Chaglasian practices at 1401 E 8th St, Weslaco, TX 78596. The listed phone number is (956) 968-8567.
What is Johanne Chaglasian's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Johanne Chaglasian enrolled in Medicare?
Yes. Johanne Chaglasian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Johanne Chaglasian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johanne Chaglasian reassigns Medicare benefits to 8 organizations: Arroyo Emergency Medicine Services, PA (Weslaco, TX), Canyon Springs Emergency Medicine Associates, PA (Alamo, TX), Edinburg Emergency Medicine Associates PA (Edinburg, TX), Mcallen Emergency Medicine Associates PA (Mcallen, TX), Shavano Emergency Medicine Associates, PA (Edinburg, TX) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Johanne Chaglasian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johanne Chaglasian accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Johanne Chaglasian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Johanne Chaglasian affiliated with any hospitals?
According to CMS data, Johanne Chaglasian is affiliated with Vhs Harlingen Hospital Company LLC, South Texas Health System, Knapp Medical Center and Harlingen Medical Center.
When was this NPI record last updated?
The NPPES record for Johanne Chaglasian was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Johanne Chaglasian, MD · NPI 1174267462
Emergency Medicine physician in Weslaco, Texas. Individual provider, active in the CMS NPPES registry since April 23, 2022.
## Identity
- **NPI:** 1174267462 (Entity type: Individual)
- **Enumerated:** April 23, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** W0143 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1401 E 8TH ST, Weslaco, TX 78596-6640
- **Phone:** (956) 968-8567
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Arroyo Emergency Medicine Services, PA (NPI 1215866066, Weslaco, TX); Canyon Springs Emergency Medicine Associates, PA (NPI 1154825412, Alamo, TX); Edinburg Emergency Medicine Associates PA (NPI 1942467113, Edinburg, TX); Mcallen Emergency Medicine Associates PA (NPI 1336543636, Mcallen, TX); Shavano Emergency Medicine Associates, PA (NPI 1255820775, Edinburg, TX); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174267462) · Data from the CMS NPPES public registry.