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Emergency Medicine

Helen Lo, MD

Works at hospitals in Winnemucca, NV · Sahuarita, AZ · Oro Valley, AZ … · Nevada, Arizona, Texas

Summary

Helen Lo, MD (Emergency Medicine) is listed by Medicare at 5 hospitals in Winnemucca, NV, Sahuarita, AZ and Oro Valley, AZ and other places. NPI 1225230618. 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 Helen Lo, 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
19Years since medical school (graduated 2007)
New York University School Of MedicineMedical school
FemaleGender (as listed)
Bluff Creek Emergency Medicine Associates, PAGroup practice (+5 more)

Quick answers

Which hospitals does Helen Lo work at?
Medicare's official clinician data lists Helen Lo at 5 hospitals: Humboldt General Hospital, Northwest Medical Center Sahuarita, Oro Valley Hospital, South Texas Health System and The Hospitals of Providence Horizon City Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Helen Lo see patients?
Medicare's clinician data lists 10 practice locations, including El Paso, TX, Winnemucca, NV and Laredo, TX. Call before your visit to confirm the address.
What is Helen Lo's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Helen Lo accept Medicare assignment?
Yes. Medicare's clinician data says Helen Lo 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 Helen Lo?
(915) 242-2400, as listed in official Medicare / NPI Registry data.
What is Helen Lo's NPI number?
1225230618. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Helen Lo works

Medicare's Facility Affiliation Data lists Helen Lo 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 Helen Lo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.

Group practices

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

  • Bluff Creek Emergency Medicine Associates, PA83 clinicians in the group
  • Edinburg Emergency Medicine Associates PA72 clinicians in the group
  • Pearsall Emergency Medicine Associates, PA50 clinicians in the group
  • Laredo Emergency Medicine Associates PA46 clinicians in the group
  • Webb Emergency Medicine Associates PA42 clinicians in the group
  • Winnemucca Emergency Physicians LLC18 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in El Paso

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

All emergency medicine doctors in El Paso →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225230618
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