Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Valley Emergency Observation Services Pllc

Emergency Medicine Physician in Harlingen, TX · enumerated 2010 · authorized official Julia Nathan, Owner/Partner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1518280197

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Registry record

Entity type Organization (Type 2)

Legal business name Valley Emergency Observation Services Pllc

Practice address 2101 Pease St, Harlingen, TX, 78550

Phone (956) 389-1100

Enumeration date Mar 10, 2010

Last updated in NPPES Mar 10, 2010

Taxonomy & classification

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Julia Nathan

Title Owner/Partner

Phone (956) 389-5007

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-03-10. Verify at npiregistry.cms.hhs.gov.

Where is Valley Emergency Observation Services Pllc located?

The practice location on file with NPPES is in Harlingen, TX.

Providers at this address

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Herbert Nassour Plastic and Reconstructive Surgery Physician · Harlingen, TX NPI 1972506228 Mark Hayden Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1376537175 Michael Mohun Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1235123043 Valley Emergency Physicians Emergency Medicine Physician · Harlingen, TX NPI 1699769513 David Moyer Diener Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1942294756 Andrew Okafor Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1932193745 Edward Mason Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1982698437 Julia Nathan Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX NPI 1699769141

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-10.