Mackenzie L. Mason, FNP
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 182
- Hospital affiliations
- 2
- Industry payments
- $138
- Medical groups
- 3
- Practice address
- 2311 N Prospect Ave, Milwaukee, WI 53211
- Practice phone
- Call (414) 585-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension Columbia St Mary's Hospital Milwaukee
Milwaukee, Wisconsin
Find Mackenzie Mason's 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.
Mackenzie L. Mason is a nurse practitioner in Milwaukee, Wisconsin
Mackenzie Mason practices at Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin.
Mackenzie Mason's NPI, 1306578109, was assigned on June 29, 2022. Mackenzie Mason holds Wisconsin license 13223-33.
- NPI
- 1306578109NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012385495
- NPI enumeration date
- June 29, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 585-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mackenzie L. Mason practices at Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin
Mackenzie Mason's primary practice is Ascension Columbia St Mary's Hospital Milwaukee, at 2311 N Prospect Ave, Milwaukee, WI 53211 in Milwaukee County. The practice phone is (414) 585-1000.
- Ascension Columbia St Mary's Hospital Milwaukee2311 N Prospect Ave, Milwaukee, WI 53211 · Milwaukee CountyPhone(414) 585-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mackenzie L. Mason is affiliated with 3 sites of care and 3 medical groups
Mackenzie Mason's primary practice is Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin. Mackenzie Mason is also affiliated with Froedtert Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Mackenzie Mason to 1 more hospital and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mackenzie L. Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mackenzie Mason practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Columbia St Mary's Hospital Milwaukee | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mackenzie L. Mason is one of 3,198 nurse practitioners in Wisconsin
Nurse practitioner is Mackenzie Mason's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mackenzie Mason is licensed in Wisconsin.
Specialties and state licenses
- Nurse practitioner, WisconsinPrimary
Nurse practitioners near Mackenzie Mason
Counts of nurse practitioners 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
Mackenzie L. Mason treated 30 Medicare patients in 2024, average age 75
CMS counts 30 Medicare patients who saw Mackenzie Mason in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mackenzie Mason's median patient age at 56, with 69% women.
Mackenzie Mason's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mackenzie Mason's Medicare patients by sex, 2024
- Women1343%
- Men1757%
Chronic conditions among Mackenzie Mason's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease60%
- Chronic kidney disease53%
- COPD50%
- Heart failure47%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Mackenzie Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mackenzie L. Mason wrote 182 Medicare Part D claims in 2024
In 2024, Mackenzie Mason wrote 182 Medicare Part D claims for 70 patients. 83% of them were for generic drugs.
Mackenzie Mason's Part D claims by kind of drug, 2024
- Generic151 claims83%
- Brand-name31 claims17%
Drug classes CMS tracks in Mackenzie Mason's Part D claims, 2024
- Opioids22%40 of 182 claims
- Antibiotics12%21 of 182 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 Mackenzie L. Mason takes part in Medicare
Mackenzie Mason 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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Mackenzie L. Mason received $138 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mackenzie Mason from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medline Industries, Inc. paid the most, $138.
Companies that paid Mackenzie Mason the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mackenzie L. Mason'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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) |
| 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 Mackenzie L. Mason
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mackenzie L. Mason's NPI number?
Mackenzie L. Mason's NPI number is 1306578109. It was assigned on June 29, 2022, and it is active in the NPI Registry.
What does Mackenzie L. Mason specialize in?
Mackenzie L. Mason is a nurse practitioner in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mackenzie L. Mason practice?
Mackenzie Mason practices at 2311 N Prospect Ave, Milwaukee, WI 53211. Mackenzie Mason's primary practice is Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin. Dmand AI also links Mackenzie Mason to 1 hospital and 2 medical groups.
What is Mackenzie L. Mason's office phone number?
The practice phone on file for Mackenzie Mason is (414) 585-1000.
What is Mackenzie L. Mason's medical license number?
Mackenzie Mason holds Wisconsin license 13223-33.
Which hospitals is Mackenzie L. Mason affiliated with?
Mackenzie Mason is affiliated with Froedtert Hospital. Dmand AI links Mackenzie Mason to 1 more hospital.
What medical group is Mackenzie L. Mason part of?
Mackenzie Mason is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Mackenzie Mason to 2 more medical groups.
Does Mackenzie L. Mason accept Medicare?
Yes. CMS lists Mackenzie Mason as accepting Medicare assignment.
How many Medicare patients does Mackenzie L. Mason see?
CMS counts 30 Medicare patients who saw Mackenzie Mason in 2024, with an average age of 75.
Has Mackenzie L. Mason received payments from drug or device companies?
CMS Open Payments shows $138 in general payments to Mackenzie Mason from 1 company from 2025 to 2025. The largest total came from Medline Industries, Inc.
How long has Mackenzie L. Mason been practicing?
Mackenzie Mason graduated from medical school in 2022, 4 years ago.
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