Dr. Gregory Matthew Hadden, MD
- Medicare services, 2019
- 523
- Part D claims, 2024
- 189
- Affiliated sites
- 1
- Medical groups
- 2
- Insurance carriers
- 11
- Practice address
- 720 W 34th St, Austin, TX 78705-1205
- Practice phone
- Call (512) 452-8533
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Williamson County Pulmonary & Sleep Study Associates
Primary care practice · Austin, Texas
Find Dr. Hadden's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Matthew Hadden is an emergency medicine physician in Austin, Texas
Dr. Hadden practices at Williamson County Pulmonary & Sleep Study Associates in Austin, Texas.
Dr. Hadden's NPI, 1699733204, was assigned on May 3, 2006. Dr. Hadden graduated from Baylor College Of Medicine in 2002. Dr. Hadden holds Texas license M1124.
- NPI
- 1699733204NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Practice phone
- (512) 452-8533
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Matthew Hadden practices at 2 locations in Austin, Texas
Dr. Hadden's primary practice is Williamson County Pulmonary & Sleep Study Associates, at 720 W 34th St, Austin, TX 78705-1205. The practice phone is (512) 452-8533. The NPI Registry lists Dr. Hadden's practice address as 1201 W 38th St, Austin, TX 78705.
- Williamson County Pulmonary & Sleep Study AssociatesPrimary720 W 34th St, Austin, TX 78705-1205Phone(512) 452-8533
- NPI Registry address1201 W 38th St, Austin, TX 78705 · Travis CountyPhone(512) 452-8533
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Gregory Matthew Hadden is affiliated with 1 site of care and 2 medical groups
Dr. Hadden's primary practice is Williamson County Pulmonary & Sleep Study Associates in Austin, Texas. The medical group on file is Teladoc Health. Dmand AI also links Dr. Hadden to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gregory Matthew Hadden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hadden practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Williamson County Pulmonary & Sleep Study Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Matthew Hadden is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Hadden's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hadden is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Hadden's licenses on file in 10 states: Texas, Florida, Georgia, New York, Illinois, Michigan, Alabama, Ohio, Wisconsin and Arizona.
Specialties and state licenses
- Emergency medicine, TexasPrimary
- Florida license
- Georgia license
- New York license
- Illinois license
- Michigan license
- Alabama license
- Ohio license
- Wisconsin license
- Arizona license
Emergency medicine physicians near Dr. Hadden
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Matthew Hadden billed Medicare for 523 services in 2019
CMS data shows 523 Medicare services from Dr. Hadden across 5 procedure codes in 2019. Medicare paid $37,603 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hadden's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 5242019: 30242%
- Tests and treatments
- 2018: 3422019: 22135%
- Other services
- 2018: 142019: 0100%
Dr. Hadden compared with the Texas median for emergency medicine physicians, 2019
- Dr. Hadden
- Texas median
- Medicare services
- 523vs 2252.3 times
- Part D claims
- 106vs 7443% above
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Hadden's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hadden and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Matthew Hadden's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Hadden's median patient age at 43, with 46% women.
Dr. Hadden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Gregory Matthew Hadden wrote 189 Medicare Part D claims in 2024
In 2024, Dr. Hadden wrote 189 Medicare Part D claims for 96 patients. 91% of them were for generic drugs. CMS names the drug for 106 of them, across 3 drugs with 11 or more claims each, at $1,627 in total drug cost. In 2023, CMS named 93 claims across 3 drugs.
Dr. Hadden's Part D claims by kind of drug, 2024
- Generic172 claims91%
- Brand-name17 claims9%
Dr. Hadden's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 932024: 10614%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Gregory Matthew Hadden has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hadden, most recently Texas Rising Stars-Emergency Medicine in 2015.
Awards and honors for Dr. Hadden
- 2015
- Texas Rising Stars-Emergency Medicine
- 2009
- Texas Health Care Quality Improvement Award
Source: Dmand AI Professional Profile Data
Dr. Gregory Matthew Hadden graduated from Baylor College Of Medicine
Dr. Hadden graduated from Baylor College Of Medicine in 2002. Dr. Hadden is a member of ACEP.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory Matthew Hadden accepts plans from 11 insurance carriers
Dr. Hadden is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Arkansas Blue Cross and Blue Shield
- AR State Medicaid
- Blue Cross and Blue Shield of Kansas City
- Delta Dental
- +3 more carriersWith a free account
Plan types Dr. Hadden accepts, by number of carriers
- PPO8
- Medicare4
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Matthew Hadden's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Matthew Hadden
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Matthew Hadden's NPI number?
Dr. Gregory Matthew Hadden's NPI number is 1699733204. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Matthew Hadden?
Dr. Gregory Matthew Hadden is an emergency medicine physician in Austin, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory Matthew Hadden practice?
Dr. Hadden practices at 720 W 34th St, Austin, TX 78705-1205. Dr. Hadden also practices at 1201 W 38th St, Austin, TX 78705. Dr. Hadden's primary practice is Williamson County Pulmonary & Sleep Study Associates in Austin, Texas. Dmand AI also links Dr. Hadden to 1 medical group.
What is Dr. Gregory Matthew Hadden's office phone number?
The practice phone on file for Dr. Hadden is (512) 452-8533.
What is Dr. Gregory Matthew Hadden's medical license number?
Dr. Hadden holds Texas license M1124, one of the licenses on file in 10 states.
Which states has Dr. Gregory Matthew Hadden been licensed in?
Dmand AI has state licenses on file for Dr. Hadden in Texas (2005 to 2026), Florida (2021 to 2027), Georgia (2023 to 2027), New York (2023 to 2027), Illinois (2023 to 2026), Michigan (2023 to 2026), Alabama (2023 to 2025), Ohio (2023 to 2025), Wisconsin (2023 to 2025) and Arizona (2004 to 2007).
What medical group is Dr. Gregory Matthew Hadden part of?
Dr. Hadden is linked to Teladoc Health. Dmand AI links Dr. Hadden to 1 more medical group.
Does Dr. Gregory Matthew Hadden accept Medicare?
Yes. CMS data shows Dr. Hadden billed Medicare for 523 services in 2019.
Is Dr. Gregory Matthew Hadden board certified?
Yes. Dr. Hadden is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Gregory Matthew Hadden bill to Medicare?
In 2019, Dr. Hadden's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory Matthew Hadden go to medical school?
Dr. Hadden graduated from Baylor College Of Medicine in 2002.
What drugs does Dr. Gregory Matthew Hadden prescribe most?
In 2024 Medicare Part D data, Dr. Hadden's most prescribed drugs by claims were Ipratropium Bromide, Levocetirizine Dihydrochloride and Albuterol Sulfate Hfa.
How long has Dr. Gregory Matthew Hadden been practicing?
Dr. Hadden graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Gregory Matthew Hadden accept?
Dr. Hadden is in network with 11 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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