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Emergency Medicine

Dianne E. Nicholas, MD

Sees patients in Houston, TX · Texas

Summary

Dianne E. Nicholas, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in Houston, TX. NPI 1679553499. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Dianne E. Nicholas, 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
35Years since medical school (graduated 1991)
University Of Texas Medical Branch At GalvestonMedical school
FemaleGender (as listed)

Quick answers

Where does Dianne E. Nicholas see patients?
Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
What is Dianne E. Nicholas's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Dianne E. Nicholas accept Medicare assignment?
Yes. Medicare's clinician data says Dianne E. Nicholas 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 Dianne E. Nicholas?
(713) 944-8900, as listed in official Medicare / NPI Registry data.
What is Dianne E. Nicholas's NPI number?
1679553499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Dianne E. Nicholas is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Houston

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

All emergency medicine doctors in Houston →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679553499
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians