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GREGORY MATTHEW HADDEN MD
NPI 1699733204
Emergency Medicine in Austin, TX

Active since May 03, 2006
720 W 34TH ST, SUITE 101, AUSTIN, TX 78705(512) 452-8533 Get Directions Write a Review

NPPES record last updated: April 4, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory Matthew Hadden Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY MATTHEW HADDEN MD (NPI 1699733204) is an individual emergency medicine provider in Austin, Texas, licensed in Texas (M1124) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1699733204
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY MATTHEW HADDENCredential: MD
Location Address720 W 34TH ST, SUITE 101Austin, TX 78705-1205
Mailing Address720 W 34th St, Suite 101Austin, TX 78705-1205
Phone(512) 452-8533
Sole ProprietorYes
Enumeration DateMay 3, 2006
Last NPPES UpdateApril 4, 2008
✔ NPI 1699733204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · M1124
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
720 W 34TH ST, Austin, TX 78705
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Other Identifiers 7

Medicare PINP00319785TX
Medicare PIN8D5841TX
Medicare PINP00238718TX
Medicare PIN8D5842TX
Medicare UPINI30843TX
Medicare PIN8G1091TX
Medicare PIN8G5718TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit.Insurance ›

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEVEN K. BOOTON, M.D., P.A.
Internal Medicine
720 W 34TH ST, SUITE 100
AUSTIN, TX 78705
Travis County (512) 381-5599
STEVEN KIRKWOOD BOOTON M.D.
Internal Medicine
720 W 34TH ST, SUITE 100
AUSTIN, TX 78705
Travis County (512) 381-5599
DR. ROBERTA TSUKAHARA PH.D.
Clinical Neuropsychologist
720 W 34TH ST, SUITE 100
AUSTIN, TX 78705
Travis County (512) 291-4338
MRND, LLC
Specialist/Technologist, Other (Surgical Technologist)
720 W 34TH ST, SUITE 110
AUSTIN, TX 78705
Travis County (214) 315-6432
PAUL G VIGO MD PA
Allergy & Immunology (Clinical & Laboratory Immunology)
720 W 34TH ST, SUITE 200
AUSTIN, TX 78705
Travis County (512) 454-5821
STEVEN TREY FYFE MD
Otolaryngology
720 W 34TH ST, SUITE 110
AUSTIN, TX 78705
Travis County (512) 346-7600
MATTHEW SHANE CONNER DO
Family Medicine
720 W 34TH ST
AUSTIN, TX 78705
Travis County (512) 452-8533
ALAN BRENT COLBY D.O.
Psychiatry & Neurology (Psychiatry)
720 W 34TH ST, SUITE 100
AUSTIN, TX 78705
Travis County (512) 454-7741

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Hadden's NPI number?

The NPI number for Gregory Hadden is 1699733204. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Gregory Hadden located?

Gregory Hadden practices at 720 W 34th St Suite 101, Austin, TX 78705. The listed phone number is (512) 452-8533.

What is Gregory Hadden's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

What insurance does Gregory Hadden accept?

Health plans from Molina Healthcare, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Gregory Hadden as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Hadden was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.