Gregory Patterson
Emergency Medicine Physician · Austin, TX
Gregory Patterson is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1821447251, issued on Jun 7, 2016. Check the license (Texas R5450, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Patterson
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- R5450 TX
BP10056837 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 North St # I-35, Austin, TX 78756
- Phone
- (512) 324-8221
- Enumerated
- Jun 7, 2016
- Record last updated
- Sep 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180709000152); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 1400 North St # I-35
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louis Aprile, M.DEmergency Medicine Physician1376953414
- Jacob Falcon, M.D.Emergency Medicine Physician1598029464
- Julie Kestner, ANP, GNPAdult Health Nurse Practitioner1669820874
- Nam Nguyen, MDPhysical Medicine & Rehabilitation Physician1619437605
- Austin PotterEmergency Medicine Physician1124477948
Verify Gregory Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
78 Medicare Part D claims for 32 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Longhorn Emergency Medical Associates PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Patterson among 4,885 emergency medicine physician records in Texas
Gregory Patterson is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 2,779 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Austin → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Louis Aprile, M.DAustin, TX 787561376953414
- Raymond Chilton, M.D.Austin, TX 787561427085497
- Jacob Falcon, M.D.Austin, TX 787561598029464
- Austin PotterAustin, TX 787561124477948
- Jessica Swanson, M.D.Austin, TX 787561538506233
- William Clementson, D.O.Austin, TX 787571356528046
- Pamela Ashley, MDAustin, TX 787581780630889
- Amol Desai, M.D.Austin, TX 787581376707349
Common questions
What is Gregory Patterson's NPI number?
Gregory Patterson's National Provider Identifier (NPI) is 1821447251, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Patterson located?
The NPPES record lists a practice address at 1400 North St # I-35, Austin, TX, 78756. Phone: (512) 324-8221. Providers update this record themselves, so call before visiting.
How can I verify Gregory Patterson's license?
NPPES lists Texas license number R5450, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Patterson prescribe under Medicare Part D?
In 2024, Gregory Patterson had 78 Medicare Part D claims for 32 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.