Dr. Katherine S. Ryan, MD
- Medicare services, 2024
- 185
- Medicare patients, 2024
- 151
- Part D claims, 2024
- 193
- Hospital affiliations
- 1
- Industry payments
- $323
- Practice address
- 901 West Ben White Blvd, Austin, TX 78704
- Practice phone
- Call (512) 448-7107
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Katherine S. Ryan is an emergency medicine physician in Austin, Texas
Dr. Ryan practices at St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare.
Dr. Ryan's NPI, 1518155829, was assigned on October 11, 2007. Dr. Ryan graduated from Louisiana State University School of Medicine in Shreveport in 2007. Dr. Ryan holds Louisiana license 202559.
- NPI
- 1518155829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193982999
- NPI enumeration date
- October 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 448-7107
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine S. Ryan practices at St. David's South Austin Medical Center in Austin, Texas
Dr. Ryan's primary practice is St. David's South Austin Medical Center, at 901 West Ben White Blvd, Austin, TX 78704 in Travis County. The practice phone is (512) 448-7107.
- St. David's South Austin Medical Center901 West Ben White Blvd, Austin, TX 78704 · Travis CountyPhone(512) 448-7107
Source: Dmand AI Affiliation Data
Dr. Katherine S. Ryan is affiliated with 2 sites of care and 4 medical groups
Dr. Ryan's primary practice is St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare. The medical group on file is Longhorn Emergency Medical Associates PA. Dmand AI also links Dr. Ryan to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine S. Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. David's South Austin Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine S. Ryan is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ryan is licensed in Louisiana.
Specialties and state licenses
- Emergency medicine, LouisianaPrimary
Emergency medicine physicians near Dr. Ryan
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. Katherine S. Ryan billed Medicare for 185 services in 2024
CMS data shows 185 Medicare services from Dr. Ryan across 3 procedure codes in 2024, for 151 Medicare patients. Medicare paid $16,844 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ryan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1612024: 14311%
- Tests and treatments
- 2023: 592024: 4229%
Dr. Ryan compared with the Texas median for emergency medicine physicians, 2024
- Dr. Ryan
- Texas median
- Medicare services
- 185vs 22518% below
- Medicare patients
- 151vs 20627% below
- Part D claims
- 66vs 7411% below
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Ryan's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine S. Ryan treated 151 Medicare patients in 2024, average age 73
CMS counts 151 Medicare patients who saw Dr. Ryan in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 46, with 56% women.
Dr. Ryan's Medicare patients by age, 2024
Dr. Ryan's Medicare patients by sex, 2024
- Women8254%
- Men6946%
Chronic conditions among Dr. Ryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Anxiety40%
- Mood disorders40%
- Diabetes39%
- Ischemic heart disease37%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine S. Ryan wrote 193 Medicare Part D claims in 2024
In 2024, Dr. Ryan wrote 193 Medicare Part D claims for 118 patients. 93% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $377 in total drug cost. In 2023, CMS named 40 claims across 2 drugs.
Dr. Ryan's Part D claims by kind of drug, 2024
- Generic180 claims93%
- Brand-name13 claims7%
Dr. Ryan'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.
Drug classes CMS tracks in Dr. Ryan's Part D claims, 2024
- Opioids25%49 of 193 claims
- Antibiotics20%39 of 193 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 402024: 6665%
Drugs named by CMS: 3 in 2024, 2 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
Dr. Katherine S. Ryan ranks in the 82nd percentile for removal of tissue in Medicare
Dr. Ryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 74 procedures of removal of tissue by Dr. Ryan, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ryan ranks in Medicare procedure volume
- Removal of tissue
- 82nd percentile74 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Katherine S. Ryan received $323 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Ryan from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $150.
General payments to Dr. Ryan by program year, 2016 to 2018
Companies that paid Dr. Ryan the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine S. Ryan graduated from Louisiana State University School of Medicine in Shreveport
Dr. Ryan graduated from Louisiana State University School of Medicine in Shreveport in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine S. Ryan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Katherine S. Ryan
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What is Dr. Katherine S. Ryan's NPI number?
Dr. Katherine S. Ryan's NPI number is 1518155829. It was assigned on October 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine S. Ryan?
Dr. Katherine S. Ryan 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. Katherine S. Ryan practice?
Dr. Ryan practices at 901 West Ben White Blvd, Austin, TX 78704. Dr. Ryan's primary practice is St. David's South Austin Medical Center in Austin, Texas, part of HCA Healthcare. Dmand AI also links Dr. Ryan to 3 medical groups and 1 group practice or clinic.
What is Dr. Katherine S. Ryan's office phone number?
The practice phone on file for Dr. Ryan is (512) 448-7107.
What is Dr. Katherine S. Ryan's medical license number?
Dr. Ryan holds Louisiana license 202559.
Which hospitals is Dr. Katherine S. Ryan affiliated with?
Dr. Ryan practices at St. David's South Austin Medical Center in Austin, Texas.
What medical group is Dr. Katherine S. Ryan part of?
Dr. Ryan is linked to Longhorn Emergency Medical Associates PA. Dmand AI links Dr. Ryan to 3 more medical groups.
Does Dr. Katherine S. Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 185 services in 2024, and Dr. Ryan accepts Medicare assignment.
How many Medicare patients does Dr. Katherine S. Ryan see?
CMS counts 151 Medicare patients who saw Dr. Ryan in 2024, with an average age of 73.
What services does Dr. Katherine S. Ryan bill to Medicare?
In 2024, Dr. Ryan's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Show 4 more questionsShow fewer questions
Where did Dr. Katherine S. Ryan go to medical school?
Dr. Ryan graduated from Louisiana State University School of Medicine in Shreveport in 2007.
What drugs does Dr. Katherine S. Ryan prescribe most?
In 2024 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Mupirocin and Prednisone.
Has Dr. Katherine S. Ryan received payments from drug or device companies?
CMS Open Payments shows $323 in general payments to Dr. Ryan from 3 companies from 2016 to 2018. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Katherine S. Ryan been practicing?
Dr. Ryan graduated from medical school in 2007, 19 years ago.
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