Andrew MacKay Williamson

  • Olathe, KS
  • Physician assistant
NPI1073104493PAC ID5092190157
Medicare patients, 2024
80
Part D claims, 2024
426
Hospital affiliations
3
Medical groups
2
State license
1
Practice address
20333 West 151st Street, Olathe, KS 66061
Practice phone
Call (913) 355-4200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

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Andrew MacKay Williamson is a physician assistant in Olathe, Kansas

Andrew Williamson practices at The University of Kansas Health System Olathe Hospital in Olathe, Kansas, part of The University of Kansas Health System.

Andrew Williamson's NPI, 1073104493, was assigned on January 28, 2021. Andrew Williamson graduated from University of Missouri, Kansas City, School of Medicine in 2022. Andrew Williamson holds Kansas license 2022029337.

NPI and contact details
Medicare PAC ID
5092190157
NPI enumeration date
January 28, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(913) 355-4200
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
30
Medical school graduation
2022

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Andrew MacKay Williamson practices at The University of Kansas Health System Olathe Hospital in Olathe, Kansas

Andrew Williamson's primary practice is The University of Kansas Health System Olathe Hospital, at 20333 West 151st Street, Olathe, KS 66061 in Johnson County. The practice phone is (913) 355-4200.

Source: Dmand AI Affiliation Data

Andrew MacKay Williamson is affiliated with 4 sites of care and 2 medical groups

Andrew Williamson's primary practice is The University of Kansas Health System Olathe Hospital in Olathe, Kansas, part of The University of Kansas Health System. Andrew Williamson is also affiliated with The University of Kansas Hospital. The medical group on file is KC Bariatric. Dmand AI also links Andrew Williamson to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Andrew Williamson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Andrew MacKay Williamson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Williamson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The University of Kansas Health System Olathe HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Andrew MacKay Williamson is one of 995 physician assistants in Kansas

Physician assistant is Andrew Williamson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Andrew Williamson is licensed in Kansas.

Specialties and state licenses

  • Physician assistant, KansasPrimaryLicense 2022029337 · taxonomy 363A00000X

Physician assistants near Andrew Williamson

Counts of physician assistants 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

Andrew MacKay Williamson treated 80 Medicare patients in 2024, average age 66

CMS counts 80 Medicare patients who saw Andrew Williamson in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Andrew Williamson's median patient age at 68, with 58% women.

Medicare patients, 202480
Average age66
Average risk score0.90

Andrew Williamson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Andrew Williamson's Medicare patients by sex, 2024

  • Women6683%
  • Men1418%

Chronic conditions among Andrew Williamson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis66%
  4. Mood disorders61%
  5. Anxiety50%
  6. Diabetes45%
  7. Depression43%
  8. Asthma20%

Share of Medicare patients with each condition. A patient can have several.

Andrew Williamson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women58%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Andrew MacKay Williamson wrote 426 Medicare Part D claims in 2024

In 2024, Andrew Williamson wrote 426 Medicare Part D claims for 105 patients. 97% of them were for generic drugs.

Part D claims, 2024426
Part D patients105

Andrew Williamson's Part D claims by kind of drug, 2024

  • Generic413 claims97%
  • Brand-name13 claims3%

Drug classes CMS tracks in Andrew Williamson's Part D claims, 2024

  • Opioids17%73 of 426 claims
  • Antibiotics7%28 of 426 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Andrew MacKay Williamson takes part in Medicare

Andrew Williamson 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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Andrew MacKay Williamson graduated from University of Missouri, Kansas City, School of Medicine

Andrew Williamson graduated from University of Missouri, Kansas City, School of Medicine in 2022.

  1. Medical schoolUniversity of Missouri, Kansas City, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Andrew MacKay Williamson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Andrew MacKay Williamson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Andrew MacKay Williamson's NPI number?

Andrew MacKay Williamson's NPI number is 1073104493. It was assigned on January 28, 2021, and it is active in the NPI Registry.

What does Andrew MacKay Williamson specialize in?

Andrew MacKay Williamson is a physician assistant in Olathe, Kansas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Andrew MacKay Williamson practice?

Andrew Williamson practices at 20333 West 151st Street, Olathe, KS 66061. Andrew Williamson's primary practice is The University of Kansas Health System Olathe Hospital in Olathe, Kansas, part of The University of Kansas Health System. Dmand AI also links Andrew Williamson to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Andrew MacKay Williamson's office phone number?

The practice phone on file for Andrew Williamson is (913) 355-4200.

What is Andrew MacKay Williamson's medical license number?

Andrew Williamson holds Kansas license 2022029337.

Which hospitals is Andrew MacKay Williamson affiliated with?

Andrew Williamson practices at The University of Kansas Health System Olathe Hospital in Olathe, Kansas. Andrew Williamson is also affiliated with The University of Kansas Hospital. Dmand AI links Andrew Williamson to 1 more hospital.

What medical group is Andrew MacKay Williamson part of?

Andrew Williamson is linked to KC Bariatric. Dmand AI links Andrew Williamson to 1 more medical group.

Does Andrew MacKay Williamson accept Medicare?

Yes. CMS lists Andrew Williamson as accepting Medicare assignment.

How many Medicare patients does Andrew MacKay Williamson see?

CMS counts 80 Medicare patients who saw Andrew Williamson in 2024, with an average age of 66.

Where did Andrew MacKay Williamson go to medical school?

Andrew Williamson graduated from University of Missouri, Kansas City, School of Medicine in 2022.

How long has Andrew MacKay Williamson been practicing?

Andrew Williamson graduated from medical school in 2022, 4 years ago.

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