Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory Matthew Hadden, MD

Individual provider Emergency Medicine Physician · NPI 1699733204

Gregory Matthew Hadden, MD is an Emergency Medicine Physician in Austin, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

720 W 34th St Ste 101
Austin, TX 78705-1205
Phone: (512) 452-8533
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence M1124 (TX)

Record details

NPI number1699733204
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 3, 2006
Last updated in NPPESApril 4, 2008
Mailing address720 W 34th St, Suite 101, Austin, TX 78705-1205

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