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Emergency Medicine Providers in Flower Mound, TX

Browse 7 Emergency Medicine providers listed in NPPES with a practice address in Flower Mound, Texas.

7 Healthcare Providers

How Flower Mound compares with the U.S.

7 active clinicians in Emergency Medicine list a practice address in Flower Mound, TX in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Emergency Medicine in Flower Mound are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“7 of 7 providers
With recent CMS data first, then Aโ€“Z

Dr. Roberto Antonio Lopez-Freeman , MD

Emergency Medicine

Active NPI Status
4400 Long Prairie Rd, Emergency Department, Flower Mound, TX 750281892
Phone: 4693227100
NPI Identifier 1154583755
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Dr. Mark Lane Madenwald , MD

Emergency Medicine

Active NPI Status Accepts Medicare Assignment
5304 Prince Ln, Flower Mound, TX 750228103
Phone: 2147344868
NPI Identifier 1932197662
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Dr. James Michael Muzzarelli , MD

Emergency Medicine

Active NPI Status
2628 Long Prairie Rd, Flower Mound, TX 750224839
Phone: 9728996660
NPI Identifier 1811019912
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Dr. Long Van Nguyen , MD

Emergency Medicine

Active NPI Status
4400 Long Prairie Rd, Flower Mound, TX 750281892
Phone: 4693227100
NPI Identifier 1598909335
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Dr. John Michael Therwhanger , MD

Emergency Medicine

Active NPI Status
2913 Carterton Ct, Flower Mound, TX 750225170
Phone: 2145641525
NPI Identifier 1255727384
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Dr. Nazanin Williams , MD

Emergency Medicine

Active NPI Status
4400 Long Prairie Road, Flower Mound, TX 75028
Phone: 5124528533
NPI Identifier 1174855548
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Dr. Andrew Eric Zahorecz , MD

Emergency Medicine

Active NPI Status
4400 Long Prairie Rd, Flower Mound, TX 750281892
Phone: 4693227000
NPI Identifier 1316237811
View Full Profile

Frequently Asked Questions about Emergency Medicine in Flower Mound

How do I check a Emergency Medicine practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Texas licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.