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Edit this profileJohn Keegan is a healthcare provider in Milwaukee, WI specializing in infectious disease. John trained at Medical College of Wisconsin, graduating in 2017. John is also listed as specializing in internal medicine. Medicare claims data shows John provided 109 services to 80 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. This provider record is associated with NPI 1053842385.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9200 W WISCONSIN AVE
Milwaukee, WI 53226
820 N Plankinton Ave # 20
Milwaukee, WI 53203
Within Infectious Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Bacterial infections
Bones & joints
Cardiovascular
Digestive infections
Fungal infections
General symptoms
Neurological infections
Parasitic infections
Post-infection conditions
Respiratory infections
Sexually transmitted infections
Skin & soft tissue
Travel-related infections
Urinary tract
Viral infections
Most searched procedures
Allergy & immunology
Allergy & Pharmacology
Antiviral treatments
Consultation & second opinions
Diagnostic evaluations
Diagnostics & screening
Gastrointestinal treatments
Infusions & Medications
Lab testing & monitoring
Medication management
Prevention & Prophylaxis
Prevention & prophylaxis
Travel medicine
109 services · 80 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
26 | Less often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 | As often as other peers in Infectious Disease |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
21 | Less often than most peers in Infectious Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
19 | Less often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | As often as other peers in Infectious Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John Keegan is an infectious disease specialist in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
John Keegan is listed at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (414) 805-6444. Contact the office directly to confirm availability and scheduling.
NPI registry
John Keegan's National Provider Identifier is 1053842385. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
John Keegan attended Medical College of Wisconsin, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
John Keegan has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John Keegan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by John Keegan. If this is you, claiming it is free.
Guide.md
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