Katherine S. Ryan, M.D.
Emergency Medicine Physician · Austin, TX
Katherine S. Ryan, M.D. is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1518155829, issued on Oct 11, 2007. Check the license (Texas T2741, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine S. Ryan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- T2741 TX
202559 LA
Self-reported in NPPES; status is on the state search - Practice location
- 901 W Ben White Blvd, Austin, TX 78704
- Phone
- (737) 246-1245
- Enumerated
- Oct 11, 2007
- Record last updated
- Jul 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20211103001825); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 901 W Ben White Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shane Ali, MDEmergency Medicine Physician1477012235
- Ryan Allen, M.D.Emergency Medical Services (Emergency Medicine) Physician1235181926
- Ashley Attanucci, PA-CPhysician Assistant1639648397
- Terah BarnesStudent in an Organized Health Care Education/Training Program1235077744
- Sami Bedri, M.D.Hospitalist Physician1134574023
- Alyssa BentzPhysician Assistant1366258451
Verify Katherine S. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
193 Medicare Part D claims for 118 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 49 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Mupirocin12 claims
- Prednisone12 claims
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 2 group practices
- Longhorn Emergency Medical Associates PAAustin, TX
- Premier Provider Health PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine S. Ryan among 4,885 emergency medicine physician records in Texas
Katherine S. Ryan, M.D. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2013 among the 2,779 with a school on file
- Record last updated2026 · 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
- Shane Ali, MDAustin, TX 787041477012235
- Peter Craig, MDAustin, TX 787041295752715
- Mandar Desai, M.D.Austin, TX 787041548464696
- Alison Ewen, M.D.Austin, TX 787041265694038
- Baker Hamilton, M.D.Austin, TX 787041720304017
- Antonia Helbling, M.D.Austin, TX 787041811335458
- Jacob Jones, M.D.Austin, TX 787041215989793
- Jeremy Kim, MDAustin, TX 787041588906747
Common questions
What is Katherine S. Ryan, M.D.'s NPI number?
Katherine S. Ryan, M.D.'s National Provider Identifier (NPI) is 1518155829, issued on Oct 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine S. Ryan, M.D. located?
The NPPES record lists a practice address at 901 W Ben White Blvd, Austin, TX, 78704. Phone: (737) 246-1245. Providers update this record themselves, so call before visiting.
How can I verify Katherine S. Ryan, M.D.'s license?
NPPES lists Texas license number T2741, 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 Katherine S. Ryan, M.D. prescribe under Medicare Part D?
In 2024, Katherine S. Ryan, M.D. had 193 Medicare Part D claims for 118 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.