Dr. Michael Chang-Chi Hsu, MD
- Medicare services, 2024
- 484
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 398
- MIPS score, 2024
- 82
- Hospital affiliations
- 1
- Practice address
- 400 Health Park Blvd, Saint Augustine, FL 32086
- Practice phone
- Call (904) 819-5155
- 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
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Dr. Michael Chang-Chi Hsu is a general surgeon in Saint Augustine, Florida
Dr. Hsu practices at UF Health Flagler Hospital in Saint Augustine, Florida, part of UF Health.
Dr. Hsu's NPI, 1043325848, was assigned on August 20, 2006. Dr. Hsu holds Florida license ME99434.
- NPI
- 1043325848NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719981299
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Practice phone
- (904) 819-5155
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Chang-Chi Hsu practices at UF Health Flagler Hospital in Saint Augustine, Florida
Dr. Hsu's primary practice is UF Health Flagler Hospital, at 400 Health Park Blvd, Saint Augustine, FL 32086 in St. Johns County. The practice phone is (904) 819-5155.
- UF Health Flagler Hospital400 Health Park Blvd, Saint Augustine, FL 32086 · St. Johns CountyPhone(904) 819-5155
Source: Dmand AI Affiliation Data
Dr. Michael Chang-Chi Hsu is affiliated with 3 sites of care
Dr. Hsu's primary practice is UF Health Flagler Hospital in Saint Augustine, Florida, part of UF Health. Dmand AI also links Dr. Hsu to 1 physician office and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Chang-Chi Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UF Health Flagler Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Chang-Chi Hsu is one of 1,593 general surgeons in Florida
Surgery is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hsu is licensed in Florida.
Specialties and state licenses
- Surgery, FloridaPrimary
General surgeons near Dr. Hsu
Counts of general surgeons 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. Michael Chang-Chi Hsu billed Medicare for 484 services in 2024
CMS data shows 484 Medicare services from Dr. Hsu across 12 procedure codes in 2024, for 276 Medicare patients. Medicare paid $68,126 for them.
Dr. Hsu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4932024: 38722%
- Surgery
- 2023: 1502024: 7749%
- Other services
- 2023: 182024: 2011%
Where Dr. Hsu's Medicare services took place, 2024
- In an office27156%
- In a facility21344%
Dr. Hsu compared with the Florida median for general surgeons, 2024
- Dr. Hsu
- Florida median
- Medicare services
- 484vs 1982.4 times
- Medicare patients
- 276vs 1332.1 times
- Part D claims
- 355vs 438.3 times
Medians across 1,425 general surgeons in Florida 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Chang-Chi Hsu treated 276 Medicare patients in 2024, average age 74
CMS counts 276 Medicare patients who saw Dr. Hsu in 2024. The largest group is 65 to 74, with 126 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 73, with 47% women.
Dr. Hsu's Medicare patients by age, 2024
Dr. Hsu's Medicare patients by sex, 2024
- Women13649%
- Men14051%
Chronic conditions among Dr. Hsu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease39%
- Diabetes32%
- Anxiety29%
- Atrial fibrillation24%
- Chronic kidney disease24%
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 73
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Chang-Chi Hsu wrote 398 Medicare Part D claims in 2024
In 2024, Dr. Hsu wrote 398 Medicare Part D claims for 195 patients. 97% of them were for generic drugs. CMS names the drug for 355 of them, across 8 drugs with 11 or more claims each, at $4,553 in total drug cost. In 2023, CMS named 273 claims across 6 drugs.
Dr. Hsu's Part D claims by kind of drug, 2024
- Generic387 claims97%
- Brand-name11 claims3%
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
- Opioids30%118 of 398 claims
- Antibiotics41%165 of 398 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: 2732024: 35530%
Drugs named by CMS: 8 in 2024, 6 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. Michael Chang-Chi Hsu scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Hsu for performance year 2024, reported through an alternative payment model (APM). CMS counts 57 procedures of hernia repair (minimally invasive) by Dr. Hsu, more than 99% of the clinicians it reports for that procedure.
Dr. Hsu's MIPS scores, performance year 2024
- 82of 100Final score
- 77.7of 100Quality
- 71of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hsu ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 99th percentile57 procedures
- Colonoscopy
- 50th percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Chang-Chi Hsu received $17,003 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Hsu from 12 drug and device companies from 2016 to 2025. Education make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $9,397.
General payments to Dr. Hsu by program year, 2016 to 2025
General payments to Dr. Hsu by kind, 2016 to 2025
- Education$7,00041%
- Speaker and faculty fees$6,50038%
- Travel and lodging$2,00612%
- Food and beverage$1,4989%
Companies that paid Dr. Hsu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Chang-Chi 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Michael Chang-Chi 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. Michael Chang-Chi Hsu's NPI number?
Dr. Michael Chang-Chi Hsu's NPI number is 1043325848. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Chang-Chi Hsu?
Dr. Michael Chang-Chi Hsu is a general surgeon in Saint Augustine, Florida. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Chang-Chi Hsu practice?
Dr. Hsu practices at 400 Health Park Blvd, Saint Augustine, FL 32086. Dr. Hsu's primary practice is UF Health Flagler Hospital in Saint Augustine, Florida, part of UF Health. Dmand AI also links Dr. Hsu to 1 physician office and 1 home health agency.
What is Dr. Michael Chang-Chi Hsu's office phone number?
The practice phone on file for Dr. Hsu is (904) 819-5155.
What is Dr. Michael Chang-Chi Hsu's medical license number?
Dr. Hsu holds Florida license ME99434.
Which hospitals is Dr. Michael Chang-Chi Hsu affiliated with?
Dr. Hsu practices at UF Health Flagler Hospital in Saint Augustine, Florida.
Does Dr. Michael Chang-Chi Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 484 services in 2024.
What is Dr. Michael Chang-Chi Hsu's MIPS score?
Dr. Hsu's MIPS final score for performance year 2024 is 82 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Michael Chang-Chi Hsu see?
CMS counts 276 Medicare patients who saw Dr. Hsu in 2024, with an average age of 74.
What services does Dr. Michael Chang-Chi Hsu bill to Medicare?
In 2024, Dr. Hsu's most billed Medicare services were office visit, new patient (99204), hospital inpatient care (99232) and hospital inpatient care (99222).
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What drugs does Dr. Michael Chang-Chi Hsu prescribe most?
In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Tramadol HCl, Ciprofloxacin HCl and Neomycin Sulfate.
Has Dr. Michael Chang-Chi Hsu received payments from drug or device companies?
CMS Open Payments shows $17,003 in general payments to Dr. Hsu from 12 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Chang-Chi Hsu been practicing?
Dr. Hsu graduated from medical school in 1999, 27 years ago.
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