Physician Profile
Kuo Hau Chang, D.O. is a hospitalist practicing in Duluth, MN. Kuo Hau trained at University of North Texas Hsc, College of Osteopathic Med, graduating in 1998. Kuo Hau is also listed as specializing in internal medicine. Medicare claims data shows Kuo Hau provided 95 services to 93 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, critical care, first 30-74 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1124077425.
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.
915 E 1ST ST
Duluth, MN 55805
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
95 services · 93 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
66 | As often as other peers in Hospitalist |
| Critical care, first 30-74 minutes | Office visit | 99291 |
18 | Less often than most peers in Hospitalist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | 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.
Kuo Hau Chang is a hospitalist in Duluth, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Kuo Hau Chang is listed at 915 E 1St St, Duluth, MN 55805. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (218) 249-5225. Contact the office directly to confirm availability and scheduling.
NPI registry
Kuo Hau Chang's National Provider Identifier is 1124077425. 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
Kuo Hau Chang attended University of North Texas Hsc, College of Osteopathic Med, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Kuo Hau Chang has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Kuo Hau Chang 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 Kuo Hau Chang. If this is you, claiming it is free.
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