Dr. Riley M. Williams, MD
- Medicare services, 2024
- 750
- Medicare patients, 2024
- 581
- Part D claims, 2024
- 185
- Hospital affiliations
- 3
- Industry payments
- $19
- Practice address
- 1700 SW 7th Street, Topeka, KS 66606
- Practice phone
- Call (785) 295-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Williams' 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. Riley M. Williams is an emergency medicine physician in Topeka, Kansas
Dr. Williams practices at The University of Kansas Health System St. Francis Campus in Topeka, Kansas, part of The University of Kansas Health System.
Dr. Williams' NPI, 1316408586, was assigned on March 28, 2019. Dr. Williams graduated from University of Kansas School of Med (KC/Wich/Sal) in 2019. Dr. Williams holds Kansas license 04-46006.
- NPI
- 1316408586NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527393222
- NPI enumeration date
- March 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (785) 295-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Riley M. Williams practices at The University of Kansas Health System St. Francis Campus in Topeka, Kansas
Dr. Williams' primary practice is The University of Kansas Health System St. Francis Campus, at 1700 SW 7th Street, Topeka, KS 66606 in Shawnee County. The practice phone is (785) 295-8000.
- The University of Kansas Health System St. Francis Campus1700 SW 7th Street, Topeka, KS 66606 · Shawnee CountyPhone(785) 295-8000
Source: Dmand AI Affiliation Data
Dr. Riley M. Williams is affiliated with 4 sites of care and 3 medical groups
Dr. Williams' primary practice is The University of Kansas Health System St. Francis Campus in Topeka, Kansas, part of The University of Kansas Health System. Dr. Williams is also affiliated with Stormont Vail Hospital. The medical group on file is Cotton O'Neil Clinic. Dmand AI also links Dr. Williams to 1 more hospital, 2 medical groups and 1 breast imaging center, 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. Riley M. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Kansas Health System St. Francis Campus | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Riley M. Williams is one of 378 emergency medicine physicians in Kansas
Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williams is licensed in Kansas.
Specialties and state licenses
- Emergency medicine, KansasPrimary
Emergency medicine physicians near Dr. Williams
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. Riley M. Williams billed Medicare for 750 services in 2024
CMS data shows 750 Medicare services from Dr. Williams across 4 procedure codes in 2024, for 581 Medicare patients. Medicare paid $42,726 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3412024: 37711%
- Office and hospital visits
- 2023: 6242024: 37340%
- Surgery
- 2023: 122024: 0100%
Dr. Williams compared with the Kansas median for emergency medicine physicians, 2024
- Dr. Williams
- Kansas median
- Medicare services
- 750vs 39988% above
- Medicare patients
- 581vs 33772% above
- Part D claims
- 80vs 748% above
Medians across 376 emergency medicine physicians in Kansas with Dmand AI profiles that report each measure.
Dr. Williams' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other emergency medicine physicians in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Riley M. Williams treated 581 Medicare patients in 2024, average age 75
CMS counts 581 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.93, 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. Williams' median patient age at 47, with 54% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women34459%
- Men23741%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Mood disorders44%
- Anxiety43%
- Depression43%
- Chronic kidney disease42%
- Diabetes38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Riley M. Williams wrote 185 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 185 Medicare Part D claims for 126 patients. 95% of them were for generic drugs. CMS names the drug for 80 of them, across 5 drugs with 11 or more claims each, at $355 in total drug cost. In 2023, CMS named 128 claims across 7 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic176 claims95%
- Brand-name and other9 claims5%
Dr. Williams' 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. Williams' Part D claims, 2024
- Opioids16%30 of 185 claims
- Antibiotics32%60 of 185 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: 1282024: 8038%
Drugs named by CMS: 5 in 2024, 7 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
How Dr. Riley M. Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Riley M. Williams received $19 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Williams from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $19.
Companies that paid Dr. Williams the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Riley M. Williams graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Williams graduated from University of Kansas School of Med (KC/Wich/Sal) in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Riley M. Williams'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) |
| 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. Riley M. Williams
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. Riley M. Williams' NPI number?
Dr. Riley M. Williams' NPI number is 1316408586. It was assigned on March 28, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Riley M. Williams?
Dr. Riley M. Williams is an emergency medicine physician in Topeka, Kansas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Riley M. Williams practice?
Dr. Williams practices at 1700 SW 7th Street, Topeka, KS 66606. Dr. Williams' primary practice is The University of Kansas Health System St. Francis Campus in Topeka, Kansas, part of The University of Kansas Health System. Dmand AI also links Dr. Williams to 1 hospital, 2 medical groups and 1 breast imaging center.
What is Dr. Riley M. Williams' office phone number?
The practice phone on file for Dr. Williams is (785) 295-8000.
What is Dr. Riley M. Williams' medical license number?
Dr. Williams holds Kansas license 04-46006.
Which hospitals is Dr. Riley M. Williams affiliated with?
Dr. Williams practices at The University of Kansas Health System St. Francis Campus in Topeka, Kansas. Dr. Williams is also affiliated with Stormont Vail Hospital. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. Riley M. Williams part of?
Dr. Williams is linked to Cotton O'Neil Clinic. Dmand AI links Dr. Williams to 2 more medical groups.
Does Dr. Riley M. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 750 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Riley M. Williams see?
CMS counts 581 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
What services does Dr. Riley M. Williams bill to Medicare?
In 2024, Dr. Williams' 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. Riley M. Williams go to medical school?
Dr. Williams graduated from University of Kansas School of Med (KC/Wich/Sal) in 2019.
What drugs does Dr. Riley M. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Doxycycline Hyclate.
Has Dr. Riley M. Williams received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Williams from 1 company from 2023 to 2023. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Riley M. Williams been practicing?
Dr. Williams graduated from medical school in 2019, 7 years ago.
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