Will Davis Lyon
- Medicare services, 2024
- 354
- Medicare patients, 2024
- 253
- Part D claims, 2024
- 2,682
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Practice phone
- Call (414) 805-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Will Davis Lyon is a geriatric medicine (internal medicine) physician in Milwaukee, Wisconsin
Will Lyon practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.
Will Lyon's NPI, 1245791607, was assigned on March 28, 2019. Will Lyon graduated from University of Wisconsin School of Medicine in 2019. Will Lyon holds Wisconsin license 75614.
- NPI
- 1245791607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779913611
- NPI enumeration date
- March 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 805-3000
- 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)
Will Davis Lyon practices at Froedtert Hospital in Milwaukee, Wisconsin
Will Lyon's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.
- Froedtert Hospital9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000
Source: Dmand AI Affiliation Data
Will Davis Lyon is affiliated with 2 sites of care and 2 medical groups
Will Lyon's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Will Lyon to 1 more skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Will Davis Lyon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Will Lyon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert Hospital | Available with a free account |
| +1 more site and 1 medical group | 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 Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Will Davis Lyon is one of 81 geriatric medicine (internal medicine) physicians in Wisconsin
Geriatric medicine is Will Lyon's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Will Lyon is licensed in Wisconsin.
Specialties and state licenses
- Geriatric medicine (internal medicine), WisconsinPrimary
Geriatric medicine (internal medicine) physicians near Will Lyon
Counts of geriatric medicine (internal 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
Will Davis Lyon billed Medicare for 354 services in 2024
CMS data shows 354 Medicare services from Will Lyon across 11 procedure codes in 2024, for 253 Medicare patients. Medicare paid $29,810 for them.
Will Lyon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1072024: 294175%
- Other services
- 2023: 222024: 60173%
Where Will Lyon's Medicare services took place, 2024
- In an office339%
- In a facility32191%
Will Lyon compared with the Wisconsin median for geriatric medicine (internal medicine) physicians, 2024
- Will Lyon
- Wisconsin median
- Medicare services
- 354vs 3269% above
- Medicare patients
- 253vs 15761% above
- Part D claims
- 2,132vs 2887.4 times
Medians across 84 geriatric medicine (internal medicine) physicians in Wisconsin with Dmand AI profiles that report each measure.
Will Lyon'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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Medicare shows one payer. Book a meeting to get commercial claims data for Will Lyon and other geriatric medicine (internal medicine) physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Will Davis Lyon treated 253 Medicare patients in 2024, average age 85
CMS counts 253 Medicare patients who saw Will Lyon in 2024. The largest group is 85 and over, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% 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 Will Lyon's median patient age at 83, with 55% women.
Will Lyon's Medicare patients by age, 2024
Will Lyon's Medicare patients by sex, 2024
- Women17067%
- Men8333%
Chronic conditions among Will Lyon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Mood disorders47%
- Depression46%
- Alzheimer's and dementia45%
- Chronic kidney disease45%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Will Lyon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Will Davis Lyon wrote 2,682 Medicare Part D claims in 2024
In 2024, Will Lyon wrote 2,682 Medicare Part D claims for 228 patients. 83% of them were for generic drugs. CMS names the drug for 2,132 of them, across 57 drugs with 11 or more claims each, at $104,046 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Will Lyon's Part D claims by kind of drug, 2024
- Generic2,218 claims83%
- Brand-name and other464 claims17%
Will Lyon'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 Will Lyon's Part D claims, 2024
- Opioids0%13 of 2,682 claims
- Antibiotics3%76 of 2,682 claims
- Antipsychotics, patients 65 and over2%52 of 2,682 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: 312024: 2,1326777%
Drugs named by CMS: 57 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
How Will Davis Lyon takes part in Medicare
Will Lyon 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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Will Davis Lyon graduated from University of Wisconsin School of Medicine
Will Lyon graduated from University of Wisconsin School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Will Davis Lyon'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) |
| 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 Will Davis Lyon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Will Davis Lyon's NPI number?
Will Davis Lyon's NPI number is 1245791607. It was assigned on March 28, 2019, and it is active in the NPI Registry.
What does Will Davis Lyon specialize in?
Will Davis Lyon is a geriatric medicine (internal medicine) physician in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Will Davis Lyon practice?
Will Lyon practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Will Lyon's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Will Lyon to 1 skilled nursing facility and 1 medical group.
What is Will Davis Lyon's office phone number?
The practice phone on file for Will Lyon is (414) 805-3000.
What is Will Davis Lyon's medical license number?
Will Lyon holds Wisconsin license 75614.
Which hospitals is Will Davis Lyon affiliated with?
Will Lyon practices at Froedtert Hospital in Milwaukee, Wisconsin.
What medical group is Will Davis Lyon part of?
Will Lyon is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Will Lyon to 1 more medical group.
Does Will Davis Lyon accept Medicare?
Yes. CMS data shows Will Lyon billed Medicare for 354 services in 2024, and Will Lyon accepts Medicare assignment.
How many Medicare patients does Will Davis Lyon see?
CMS counts 253 Medicare patients who saw Will Lyon in 2024, with an average age of 85.
What services does Will Davis Lyon bill to Medicare?
In 2024, Will Lyon's most billed Medicare services were hospital inpatient care (99233), nursing facility care (99306) and medicare service (G2211).
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Where did Will Davis Lyon go to medical school?
Will Lyon graduated from University of Wisconsin School of Medicine in 2019.
What drugs does Will Davis Lyon prescribe most?
In 2024 Medicare Part D data, Will Lyon's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Metoprolol Succinate.
How long has Will Davis Lyon been practicing?
Will Lyon graduated from medical school in 2019, 7 years ago.
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