John M. Keegan
- Medicare services, 2024
- 109
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 1,701
- MIPS score, 2024
- 88
- Hospital affiliations
- 1
- 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
Find John Keegan's professional email, personal email and mobile number
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John M. Keegan is an infectious disease specialist in Milwaukee, Wisconsin
John Keegan practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.
John Keegan's NPI, 1053842385, was assigned on March 27, 2017. John Keegan graduated from Medical College of Wisconsin in 2017. John Keegan holds Wisconsin license 71891.
- NPI
- 1053842385NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234569625
- NPI enumeration date
- March 27, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (414) 805-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John M. Keegan practices at Froedtert Hospital in Milwaukee, Wisconsin
John Keegan'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
John M. Keegan is affiliated with 1 site of care and 2 medical groups
John Keegan'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 John Keegan to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John M. Keegan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Keegan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert Hospital | Available with a free account |
| +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.
John M. Keegan is one of 154 infectious disease specialists in Wisconsin
Infectious disease is John Keegan's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. John Keegan is licensed in Wisconsin.
Specialties and state licenses
- Infectious disease, WisconsinPrimary
Infectious disease specialists near John Keegan
Counts of infectious disease specialists 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
John M. Keegan billed Medicare for 109 services in 2024
CMS data shows 109 Medicare services from John Keegan across 4 procedure codes in 2024, for 74 Medicare patients. Medicare paid $8,023 for them.
John Keegan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 962024: 888%
- Other services
- 2023: 02024: 21
Where John Keegan's Medicare services took place, 2024
- In an office1817%
- In a facility9183%
John Keegan compared with the Wisconsin median for infectious disease specialists, 2024
- John Keegan
- Wisconsin median
- Medicare services
- 109vs 19745% below
- Medicare patients
- 74vs 9421% below
- Part D claims
- 1,419vs 1559.2 times
Medians across 148 infectious disease specialists in Wisconsin with Dmand AI profiles that report each measure.
John Keegan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John M. Keegan treated 74 Medicare patients in 2024, average age 68
CMS counts 74 Medicare patients who saw John Keegan in 2024. The largest group is 65 to 74, with 28 patients. 72% of them have high blood pressure, and 69% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Keegan's median patient age at 56, with 33% women.
John Keegan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Keegan's Medicare patients by sex, 2024
- Women2534%
- Men4966%
Chronic conditions among John Keegan's Medicare patients, 2024
- High blood pressure72%
- High cholesterol69%
- Diabetes46%
- Arthritis45%
- Chronic kidney disease45%
- Anxiety42%
- Mood disorders41%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
John Keegan'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
- Women33%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John M. Keegan wrote 1,701 Medicare Part D claims in 2024
In 2024, John Keegan wrote 1,701 Medicare Part D claims for 118 patients. 55% of them were for generic drugs. CMS names the drug for 1,419 of them, across 46 drugs with 11 or more claims each, at $2,370,892 in total drug cost. In 2023, CMS named 918 claims across 35 drugs.
John Keegan's Part D claims by kind of drug, 2024
- Generic937 claims55%
- Brand-name764 claims45%
John Keegan'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 John Keegan's Part D claims, 2024
- Opioids1%13 of 1,701 claims
- Antibiotics6%106 of 1,701 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: 9182024: 1,41955%
Drugs named by CMS: 46 in 2024, 35 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
John M. Keegan scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for John Keegan for performance year 2024, reported as part of a group. John Keegan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Keegan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
John Keegan's MIPS scores, performance year 2024
- 88of 100Final score
- 82.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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John M. Keegan received $56 in industry payments in 2025
CMS Open Payments shows 3 general payments to John Keegan from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $37.
Companies that paid John Keegan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John M. Keegan graduated from Medical College of Wisconsin
John Keegan graduated from Medical College of Wisconsin in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John M. Keegan'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)Clinician Public Reporting: Overall MIPS Performance (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 John M. Keegan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John M. Keegan's NPI number?
John M. Keegan's NPI number is 1053842385. It was assigned on March 27, 2017, and it is active in the NPI Registry.
What does John M. Keegan specialize in?
John M. Keegan is an infectious disease specialist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does John M. Keegan practice?
John Keegan practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. John Keegan's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links John Keegan to 1 medical group.
What is John M. Keegan's office phone number?
The practice phone on file for John Keegan is (414) 805-3000.
What is John M. Keegan's medical license number?
John Keegan holds Wisconsin license 71891.
Which hospitals is John M. Keegan affiliated with?
John Keegan practices at Froedtert Hospital in Milwaukee, Wisconsin.
What medical group is John M. Keegan part of?
John Keegan is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links John Keegan to 1 more medical group.
Does John M. Keegan accept Medicare?
Yes. CMS data shows John Keegan billed Medicare for 109 services in 2024, and John Keegan accepts Medicare assignment.
Does John M. Keegan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists John Keegan as offering telehealth services.
What is John M. Keegan's MIPS score?
John Keegan's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does John M. Keegan see?
CMS counts 74 Medicare patients who saw John Keegan in 2024, with an average age of 68.
What services does John M. Keegan bill to Medicare?
In 2024, John Keegan's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and medicare service (G2211).
Where did John M. Keegan go to medical school?
John Keegan graduated from Medical College of Wisconsin in 2017.
What drugs does John M. Keegan prescribe most?
In 2024 Medicare Part D data, John Keegan's most prescribed drugs by claims were Biktarvy, Atorvastatin Calcium and Prezcobix.
Has John M. Keegan received payments from drug or device companies?
CMS Open Payments shows $56 in general payments to John Keegan from 2 companies from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has John M. Keegan been practicing?
John Keegan graduated from medical school in 2017, 9 years ago.
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