Dr. Katie M. McWilliams, DO
- Medicare services, 2024
- 476
- Medicare patients, 2024
- 430
- Part D claims, 2024
- 184
- Hospital affiliations
- 1
- Industry payments
- $2,952
- Practice address
- 2220 Canterbury Drive, Hays, KS 67601
- Practice phone
- Call (785) 623-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McWilliams' 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. Katie M. McWilliams is an emergency medicine physician in Hays, Kansas
Dr. McWilliams practices at Hays Medical Center in Hays, Kansas, part of Hays Medical Center.
Dr. McWilliams' NPI, 1568753820, was assigned on April 21, 2011. Dr. McWilliams graduated from Kansas City College of Medicine and Surgery in 2011. Dr. McWilliams holds Kansas license 0535764.
- NPI
- 1568753820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769628171
- NPI enumeration date
- April 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (785) 623-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katie M. McWilliams practices at Hays Medical Center in Hays, Kansas
Dr. McWilliams' primary practice is Hays Medical Center, at 2220 Canterbury Drive, Hays, KS 67601 in Ellis County. The practice phone is (785) 623-5000.
- Hays Medical Center2220 Canterbury Drive, Hays, KS 67601 · Ellis CountyPhone(785) 623-5000
Source: Dmand AI Affiliation Data
Dr. Katie M. McWilliams is affiliated with 2 sites of care and 3 medical groups
Dr. McWilliams' primary practice is Hays Medical Center in Hays, Kansas, part of Hays Medical Center. The medical group on file is Salina Regional Health Center. Dmand AI also links Dr. McWilliams to 2 more medical groups and 1 hospice, 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. Katie M. McWilliams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McWilliams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hays Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hays Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katie M. McWilliams is one of 378 emergency medicine physicians in Kansas
Emergency medicine is Dr. McWilliams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. McWilliams is licensed in Kansas.
Specialties and state licenses
- Emergency medicine, KansasPrimary
Emergency medicine physicians near Dr. McWilliams
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. Katie M. McWilliams billed Medicare for 476 services in 2024
CMS data shows 476 Medicare services from Dr. McWilliams across 3 procedure codes in 2024, for 430 Medicare patients. Medicare paid $47,980 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McWilliams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3352024: 47642%
- Tests and treatments
- 2023: 292024: 0100%
Dr. McWilliams compared with the Kansas median for emergency medicine physicians, 2024
- Dr. McWilliams
- Kansas median
- Medicare services
- 476vs 39919% above
- Medicare patients
- 430vs 33728% above
- Part D claims
- 53vs 7428% below
Medians across 376 emergency medicine physicians in Kansas with Dmand AI profiles that report each measure.
Dr. McWilliams' 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.
Need commercial claims for Dr. McWilliams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McWilliams 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. Katie M. McWilliams treated 430 Medicare patients in 2024, average age 75
CMS counts 430 Medicare patients who saw Dr. McWilliams in 2024. The largest group is 65 to 74, with 135 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.85, 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. McWilliams' median patient age at 39, with 55% women.
Dr. McWilliams' Medicare patients by age, 2024
Dr. McWilliams' Medicare patients by sex, 2024
- Women24357%
- Men18743%
Chronic conditions among Dr. McWilliams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease43%
- Mood disorders41%
- Anxiety40%
- Chronic kidney disease37%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. McWilliams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katie M. McWilliams wrote 184 Medicare Part D claims in 2024
In 2024, Dr. McWilliams wrote 184 Medicare Part D claims for 117 patients. 96% of them were for generic drugs. CMS names the drug for 53 of them, across 4 drugs with 11 or more claims each, at $633 in total drug cost. In 2023, CMS named 124 claims across 7 drugs.
Dr. McWilliams' Part D claims by kind of drug, 2024
- Generic177 claims96%
- Brand-name and other7 claims4%
Dr. McWilliams' 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. McWilliams' Part D claims, 2024
- Opioids11%20 of 184 claims
- Antibiotics28%52 of 184 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: 1242024: 5357%
Drugs named by CMS: 4 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. Katie M. McWilliams takes part in Medicare
Dr. McWilliams 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Katie M. McWilliams received $2,952 in industry payments from 2016 to 2022
CMS Open Payments shows 220 general payments to Dr. McWilliams from 32 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 96% of the total. Sunovion Pharmaceuticals Inc. paid the most, $466.
General payments to Dr. McWilliams by program year, 2016 to 2022
General payments to Dr. McWilliams by kind, 2016 to 2022
- Food and beverage$2,81996%
- Gifts$1064%
- Education$271%
Companies that paid Dr. McWilliams the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katie M. McWilliams graduated from Kansas City College of Medicine and Surgery
Dr. McWilliams graduated from Kansas City College of Medicine and Surgery in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katie M. McWilliams'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. Katie M. McWilliams
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. Katie M. McWilliams' NPI number?
Dr. Katie M. McWilliams' NPI number is 1568753820. It was assigned on April 21, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Katie M. McWilliams?
Dr. Katie M. McWilliams is an emergency medicine physician in Hays, Kansas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Katie M. McWilliams practice?
Dr. McWilliams practices at 2220 Canterbury Drive, Hays, KS 67601. Dr. McWilliams' primary practice is Hays Medical Center in Hays, Kansas, part of Hays Medical Center. Dmand AI also links Dr. McWilliams to 2 medical groups and 1 hospice.
What is Dr. Katie M. McWilliams' office phone number?
The practice phone on file for Dr. McWilliams is (785) 623-5000.
What is Dr. Katie M. McWilliams' medical license number?
Dr. McWilliams holds Kansas license 0535764.
Which hospitals is Dr. Katie M. McWilliams affiliated with?
Dr. McWilliams practices at Hays Medical Center in Hays, Kansas.
What medical group is Dr. Katie M. McWilliams part of?
Dr. McWilliams is linked to Salina Regional Health Center. Dmand AI links Dr. McWilliams to 2 more medical groups.
Does Dr. Katie M. McWilliams accept Medicare?
Yes. CMS data shows Dr. McWilliams billed Medicare for 476 services in 2024, and Dr. McWilliams accepts Medicare assignment.
How many Medicare patients does Dr. Katie M. McWilliams see?
CMS counts 430 Medicare patients who saw Dr. McWilliams in 2024, with an average age of 75.
What services does Dr. Katie M. McWilliams bill to Medicare?
In 2024, Dr. McWilliams' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Show 4 more questionsShow fewer questions
Where did Dr. Katie M. McWilliams go to medical school?
Dr. McWilliams graduated from Kansas City College of Medicine and Surgery in 2011.
What drugs does Dr. Katie M. McWilliams prescribe most?
In 2024 Medicare Part D data, Dr. McWilliams' most prescribed drugs by claims were Ondansetron ODT, Amoxicillin-Clavulanate Potass and Hydrocodone-Acetaminophen.
Has Dr. Katie M. McWilliams received payments from drug or device companies?
CMS Open Payments shows $2,952 in general payments to Dr. McWilliams from 32 companies from 2016 to 2022. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Katie M. McWilliams been practicing?
Dr. McWilliams graduated from medical school in 2011, 15 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Kansas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card