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Edit this profileChijen L. Chen, M.D. is a hospitalist based in Janesville, WI. Chijen is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Chijen cared for 114 Medicare patients across 189 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, hospital discharge day management, more than 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1912589946.
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.
3400 E RACINE ST
Janesville, WI 53546
3333 Green Bay Rd
North Chicago, IL 60064
Within Hospital Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Brain & nerves
Breathing & lungs
Digestive health
Endocrine
General medical
Heart & Circulation
Heart & circulation
Infections
Liver & Digestive
Lung Infections
Nutrition
Allergic Reactions
Blood Clots
Blood Disorders
Brain & Nerves
Emergencies
Hormones & diabetes
Kidney & urinary
Lungs & Breathing
Access & tubes
Addiction Medicine
Breathing support
Critical Care
Diagnostic procedures
Emergency Care
Heart Procedures
Hospital services
Kidney Care
Medication & fluids
Mental Health
Neurological Care
Rehabilitation
Urinary Care
Airway & Breathing
Diagnostic Testing
Draining fluids
Joint Procedures
Lung Procedures
Nutrition Support
189 services · 114 patients · 4 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 |
100 | As often as other peers in Hospitalist |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
39 | Less often than most peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
36 | Less often than most peers in Hospitalist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
14 | Less often than most peers in Hospitalist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Chijen L. Chen is a hospitalist in Janesville, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Chijen L. Chen is listed at 3400 E Racine St, Janesville, WI 53546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (608) 373-8000. Contact the office directly to confirm availability and scheduling.
NPI registry
Chijen L. Chen's National Provider Identifier is 1912589946. 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
Chijen L. Chen attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
Chijen L. Chen has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Chijen L. Chen 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 Chijen L. Chen. If this is you, claiming it is free.
Guide.md
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