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Emergency Medicine

Jonathan Tiongco, MD

Works at hospitals in Texarkana, TX · Amarillo, TX · Horizon City, TX … · Texas

Summary

Jonathan Tiongco, MD (Emergency Medicine) is listed by Medicare at 4 hospitals in Texarkana, TX, Amarillo, TX and Horizon City, TX and other places. NPI 1386223378. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan Tiongco, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
Em Alliance Texas PLLCGroup practice (+2 more)

Quick answers

Which hospitals does Jonathan Tiongco work at?
Medicare's official clinician data lists Jonathan Tiongco at 4 hospitals: CHRISTUS St Michael Health System, Northwest Texas Hospital, The Hospitals of Providence Horizon City Campus and UT Health East Texas Henderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan Tiongco see patients?
Medicare's clinician data lists 5 practice locations, including Texarkana, TX, El Paso, TX and Amarillo, TX. Call before your visit to confirm the address.
What is Jonathan Tiongco's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Jonathan Tiongco accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Tiongco 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 Jonathan Tiongco?
(903) 798-8000, as listed in official Medicare / NPI Registry data.
What is Jonathan Tiongco's NPI number?
1386223378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan Tiongco works

Medicare's Facility Affiliation Data lists Jonathan Tiongco at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jonathan Tiongco is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan Tiongco as a member of these groups (CMS data updated 2026-10-02).

  • Em Alliance Texas PLLC82 clinicians in the group
  • Union Emergency Physicians PLLC65 clinicians in the group
  • Pearsall Emergency Medicine Associates, PA50 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Texarkana

Clinicians with the same Medicare primary specialty in Texarkana, TX — not a recommendation.

All emergency medicine doctors in Texarkana →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386223378
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians