Dr. Kai Y. Hsu, MD
- Medicare services, 2024
- 242
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 373
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 4321 Fir Street, East Chicago, IN 46312
- Practice phone
- Call (219) 392-7004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hsu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kai Y. Hsu is an emergency medicine physician in East Chicago, Indiana
Dr. Hsu practices at St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System.
Dr. Hsu's NPI, 1124035407, was assigned on August 1, 2006. Dr. Hsu holds Indiana license 01056153.
- NPI
- 1124035407NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618981861
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 392-7004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kai Y. Hsu practices at St. Catherine Hospital in East Chicago, Indiana
Dr. Hsu's primary practice is St. Catherine Hospital, at 4321 Fir Street, East Chicago, IN 46312 in Lake County. The practice phone is (219) 392-7004.
- St. Catherine Hospital4321 Fir Street, East Chicago, IN 46312 · Lake CountyPhone(219) 392-7004
Source: Dmand AI Affiliation Data
Dr. Kai Y. Hsu is affiliated with 2 sites of care and 1 medical group
Dr. Hsu's primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System. Dr. Hsu is also affiliated with Regency Hospital - Northwest Indiana. The medical group on file is Vituity.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kai Y. Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Catherine Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kai Y. Hsu is one of 1,275 emergency medicine physicians in Indiana
Emergency medicine is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hsu is licensed in Indiana.
Specialties and state licenses
- Emergency medicine, IndianaPrimary
Emergency medicine physicians near Dr. Hsu
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kai Y. Hsu billed Medicare for 242 services in 2024
CMS data shows 242 Medicare services from Dr. Hsu across 4 procedure codes in 2024, for 199 Medicare patients. Medicare paid $29,685 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hsu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2752024: 24212%
Dr. Hsu compared with the Indiana median for emergency medicine physicians, 2024
- Dr. Hsu
- Indiana median
- Medicare services
- 242vs 30420% below
- Medicare patients
- 199vs 27728% below
- Part D claims
- 274vs 923.0 times
Medians across 1,276 emergency medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Hsu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hsu and other emergency medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kai Y. Hsu treated 199 Medicare patients in 2024, average age 68
CMS counts 199 Medicare patients who saw Dr. Hsu in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 59% are also on Medicaid. Their average risk score is 2.49, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 60, with 54% women.
Dr. Hsu's Medicare patients by age, 2024
Dr. Hsu's Medicare patients by sex, 2024
- Women10854%
- Men9146%
Chronic conditions among Dr. Hsu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes54%
- Anxiety45%
- Ischemic heart disease45%
- Mood disorders45%
- Chronic kidney disease44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hsu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kai Y. Hsu wrote 373 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 373 Medicare Part D claims for 188 patients. 96% of them were for generic drugs. CMS names the drug for 274 of them, across 10 drugs with 11 or more claims each, at $1,279 in total drug cost. In 2023, CMS named 293 claims across 9 drugs.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic357 claims96%
- Brand-name16 claims4%
Dr. Hsu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hsu's Part D claims, 2024
- Opioids28%103 of 373 claims
- Antibiotics18%66 of 373 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2932024: 2746%
Drugs named by CMS: 10 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kai Y. Hsu scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Hsu for performance year 2024, reported as part of a group. Dr. Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hsu's MIPS scores, performance year 2024
- 87of 100Final score
- 70.9of 100Quality
- 40of 100Improvement Activities
- 93of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Kai Y. Hsu received $739 in industry payments from 2017 to 2025
CMS Open Payments shows 13 general payments to Dr. Hsu from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $169.
General payments to Dr. Hsu by program year, 2017 to 2025
Companies that paid Dr. Hsu the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kai Y. Hsu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kai Y. Hsu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kai Y. Hsu's NPI number?
Dr. Kai Y. Hsu's NPI number is 1124035407. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kai Y. Hsu?
Dr. Kai Y. Hsu is an emergency medicine physician in East Chicago, Indiana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Kai Y. Hsu practice?
Dr. Hsu practices at 4321 Fir Street, East Chicago, IN 46312. Dr. Hsu's primary practice is St. Catherine Hospital in East Chicago, Indiana, part of Community Healthcare System.
What is Dr. Kai Y. Hsu's office phone number?
The practice phone on file for Dr. Hsu is (219) 392-7004.
What is Dr. Kai Y. Hsu's medical license number?
Dr. Hsu holds Indiana license 01056153.
Which hospitals is Dr. Kai Y. Hsu affiliated with?
Dr. Hsu practices at St. Catherine Hospital in East Chicago, Indiana. Dr. Hsu is also affiliated with Regency Hospital - Northwest Indiana.
What medical group is Dr. Kai Y. Hsu part of?
Dr. Hsu is linked to Vituity.
Does Dr. Kai Y. Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 242 services in 2024, and Dr. Hsu accepts Medicare assignment.
What is Dr. Kai Y. Hsu's MIPS score?
Dr. Hsu's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kai Y. Hsu see?
CMS counts 199 Medicare patients who saw Dr. Hsu in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Kai Y. Hsu bill to Medicare?
In 2024, Dr. Hsu's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
What drugs does Dr. Kai Y. Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Tramadol HCl, Cyclobenzaprine HCl and Dicyclomine HCl.
Has Dr. Kai Y. Hsu received payments from drug or device companies?
CMS Open Payments shows $739 in general payments to Dr. Hsu from 9 companies from 2017 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Kai Y. Hsu been practicing?
Dr. Hsu graduated from medical school in 1995, 31 years ago.
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