Johanne Chaglasian, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

W0143 Issued in TX

Practice address

1401 E 8TH St
Weslaco, TX 78596-6640

Phone

(956) 968-8567

NPI assigned

Apr 23, 2022

Last updated

Aug 29, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Canyon Springs Emergency Medicine Associates PAGroup PAC ID 2769728641, 63 clinicians

McAllen Emergency Medicine Associates PAGroup PAC ID 1557686409, 79 clinicians

Municipal Emergency Medicine Associates, PAGroup PAC ID 2365701323, 51 clinicians

Oak Creek Emergency Medicine Associates PAGroup PAC ID 4385988385, 70 clinicians

Shavano Emergency Medicine Associates, PAGroup PAC ID 2062777634, 47 clinicians

Edinburg Emergency Medicine Associates PAGroup PAC ID 9638246408, 74 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• South Texas Health System Hospital, Edinburg, TX, CCN 450119
• Knapp Medical Center Hospital, Weslaco, TX, CCN 450128
• Harlingen Medical Center Hospital, Harlingen, TX, CCN 450855
• VHS Harlingen Hospital Company LLC Hospital, Harlingen, TX, CCN 450033

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Canyon Springs Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Alamo, TX
  • NPI 1154825412
  Medicare reassignment Care Compare group NPD
• Edinburg Emergency Medicine Associates PA

  • Emergency Medicine Physician
  • Edinburg, TX
  • NPI 1942467113
  Medicare reassignment Care Compare group NPD
• McAllen Emergency Medicine Associates PA

  • Emergency Medicine Physician
  • McAllen, TX
  • NPI 1336543636
  Medicare reassignment Care Compare group NPD
• Municipal Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Edinburg, TX
  • NPI 1396250650
  Medicare reassignment Care Compare group NPD
• Oak Creek Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • McAllen, TX
  • NPI 1629576632
  Medicare reassignment Care Compare group NPD
• Shavano Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Edinburg, TX
  • NPI 1255820775
  Medicare reassignment Care Compare group NPD
• Emergency Physicians of South Texas PLLC

  • Emergency Medicine Physician
  • Harlingen, TX
  • NPI 1477310779
  Medicare reassignment NPD
• RFC Radiology Associates LLC

  • Diagnostic Radiology Physician
  • McAllen, TX
  • NPI 1437478302
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Harlingen Medical Center Limited Partnership

  dba Harlingen Medical Center

  • General Acute Care Hospital
  • Harlingen, TX
  • NPI 1881688976
  Care Compare affiliation
• Knapp Medical Center

  • General Acute Care Hospital
  • Weslaco, TX
  • NPI 1861488579
  Care Compare affiliation
• McAllen Hospitals L P

  dba South Texas Health System - Heart

  • Cardiac Rehabilitation Clinic/Center
  • McAllen, TX
  • NPI 1043849425

  Hospital

  Care Compare affiliation
• McAllen Hospitals L P

  dba South Texas Health System

  • Psychiatric Hospital Unit
  • Edinburg, TX
  • NPI 1053301754
  Care Compare affiliation
• McAllen Hospitals L P

  dba South Texas Health System

  • General Acute Care Hospital
  • Edinburg, TX
  • NPI 1770573586
  Care Compare affiliation
• VHS Harlingen Hospital Company LLC

  dba Valley Baptist Medical Center

  • General Acute Care Hospital
  • Harlingen, TX
  • NPI 1154618742
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1650672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756425600000",
    "number": "1174267462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5005 HIDALGO ST UNIT 416",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770566423",
            "telephone_number": "832-468-2657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1401 E 8TH ST",
            "city": "WESLACO",
            "state": "TX",
            "postal_code": "785966640",
            "telephone_number": "956-968-8567"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAGLASIAN",
        "first_name": "JOHANNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-23",
        "last_updated": "2025-08-29",
        "certification_date": "2025-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "W0143",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "W0143",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lezley A Cavazos
• Vanessa Cavazos, M.S. CCC-SLP
• Celia Estimbo (Kid Bitz Therapy Clinic, LLC)
• Central Valley DME
• Alberto Cepeda, M.D.
• Chelsea Chang, M.D.
• Dennis Michael Chang, O.D.
• Mary Chaudet, RN
• Vanessa Liliana Chavero
• Brittany Chavez

• Emergency Medicine Physician in Weslaco, TX
• Providers in Weslaco, TX by specialty
• Emergency Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.