Physician Profile
Yien Li, M.D. is a hospitalist based in Lake Forest, IL. Yien is a 2012 graduate of Northwestern University Feinberg Medical School. Yien is also listed as specializing in internal medicine. According to Medicare claims data, Yien cared for 506 Medicare patients across 902 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 initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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1000 N WESTMORELAND RD
Lake Forest, IL 60045
660 N Westmoreland Rd
Lake Forest, IL 60045
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.
Allergic Reactions
Blood Clots
Blood Disorders
Brain & nerves
Brain & Nerves
Breathing & lungs
Digestive health
Emergencies
Endocrine
General medical
Heart & Circulation
Heart & circulation
Hormones & diabetes
Infections
Kidney & urinary
Liver & Digestive
Lung Infections
Lungs & Breathing
Nutrition
Access & tubes
Addiction Medicine
Airway & Breathing
Breathing support
Critical Care
Diagnostic procedures
Diagnostic Testing
Draining fluids
Emergency Care
Heart Procedures
Hospital services
Joint Procedures
Kidney Care
Lung Procedures
Medication & fluids
Mental Health
Neurological Care
Nutrition Support
Rehabilitation
Urinary Care
902 services · 506 patients · 6 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 |
578 | More than most peers in HOSPITALIST |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
177 | More 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 |
55 | As often as other peers in HOSPITALIST |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
47 | Less often than most peers in HOSPITALIST |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
30 | As often as other peers in HOSPITALIST |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 | 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.
Yien Li is a hospitalist in Lake Forest, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Yien Li is listed at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (847) 234-5600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Yien Li's National Provider Identifier is 1861768590. 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
Yien Li attended Northwestern University Feinberg Medical School, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Yien Li has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Yien Li 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 Yien Li. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.