John Keegan
Infectious Disease Internal Medicine
John Keegan is an Infectious Disease Internal Medicine specialist based in Milwaukee, WI with over 9 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
John Keegan specializes in internal medicine, serving patients in Milwaukee, WI in group practice. Trained at Medical College of Wisconsin (class of 2017), he has been practicing for over 9 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and kidney disease. CMS MIPS quality score: 80.47/100 (2023).
At a glance
- Federal MIPS score higher than 39% of MIPS-scored doctors in Wisconsin
- Virtual visits available — no app or travel required
Older · 1432dNPPES updated 2022-06-22 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board
Contact & Location
Practice Location
9200 W Wisconsin Ave, Milwaukee, WI 53226-3522
How Does This Doctor Compare?
MIPS Score
202380.47/100
Wisconsin avg: 82.1 · US avg: 83.6
⚠ Lower than most doctors nationally(-3.1 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better61.4%
Wisconsin avg: 82.2 · US avg: 82.8
⚠ Lower than most doctors nationally(-21.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
101
Unique beneficiaries
Standard volumePrescription Recipients
117
Patients prescribed
Prescriptions Written
1,262
Total claims
Total Medicare drug cost: $1.61M
Percentile rankings compared against 779 reporting peers in Wisconsin.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Chronic Kidney Disease.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-6%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+20%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+5%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+7%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+3%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2017
Medical College of Wisconsin
Board certified · Jun 21, 2022
Self-reported via NPPES
9 years in practice
Established
Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.
Taxonomy: 207RI0200X
Education & Training
Medical College of Wisconsin (Class of 2017)
Virtual Infectious Disease Care With John Keegan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Keegan for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Milwaukee required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about John Keegan
Dr. Keegan is listed as active in the NPI registry with telehealth listed in Milwaukee, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (414) 805-6444.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact John Keegan
Practice Location
9200 W Wisconsin Ave, Milwaukee, WI 53226-3522
Mailing Address
9200 W Wisconsin Ave, Milwaukee, WI 53226-3522
This is a provider directory. Contact the office directly to schedule appointments.
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