Dr. Dianna Liu, MD
- Medicare services, 2024
- 1,960
- Medicare patients, 2024
- 308
- Part D claims, 2024
- 2,298
- MIPS score, 2024
- 91
- Hospital affiliations
- 2
- Practice address
- 3501 Harry S Truman Blvd, Saint Charles, MO 63301
- Practice phone
- Call (636) 767-1970
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Charles Surgery Center
Surgery Center - Medicare-Certified · Saint Charles, Missouri
Find Dr. Liu'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. Dianna Liu is an ophthalmologist in Saint Charles, Missouri
Dr. Liu practices at St. Charles Surgery Center in Saint Charles, Missouri.
Dr. Liu's NPI, 1477830511, was assigned on November 3, 2011. Dr. Liu graduated from Johns Hopkins University School of Medicine in 2013. Dr. Liu holds Missouri license 2021015991.
- NPI
- 1477830511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779888219
- NPI enumeration date
- November 3, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 767-1970
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dianna Liu practices at St. Charles Surgery Center in Saint Charles, Missouri
Dr. Liu's primary practice is St. Charles Surgery Center, at 3501 Harry S Truman Blvd, Saint Charles, MO 63301. The practice phone is (636) 767-1970.
- St. Charles Surgery Center3501 Harry S Truman Blvd, Saint Charles, MO 63301Phone(636) 767-1970
Source: Dmand AI Affiliation Data
Dr. Dianna Liu is affiliated with 4 sites of care and 1 medical group
Dr. Liu's primary practice is St. Charles Surgery Center in Saint Charles, Missouri. Dr. Liu is also affiliated with Loyola University Medical Center. Dmand AI also links Dr. Liu to 1 more hospital, 1 group practice or clinic and 1 medical group, 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. Dianna Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Charles Surgery Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Dianna Liu is one of 270 ophthalmologists in Missouri
Ophthalmology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Liu's licenses on file in 3 states: Missouri, Illinois and Pennsylvania.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
- Illinois license
- Student in an organized health care education/training program, Pennsylvania
Ophthalmologists near Dr. Liu
Counts of ophthalmologists 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. Dianna Liu billed Medicare for 1,960 services in 2024
CMS data shows 1,960 Medicare services from Dr. Liu across 17 procedure codes in 2024, for 308 Medicare patients. Medicare paid $115,684 for them.
Dr. Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0292024: 1,1037%
- Office and hospital visits
- 2023: 3482024: 46132%
- Other services
- 2023: 02024: 262
- Surgery
- 2023: 1122024: 1056%
- Imaging
- 2023: 372024: 2922%
Where Dr. Liu's Medicare services took place, 2024
- In an office1,91498%
- In a facility462%
Dr. Liu compared with the Missouri median for ophthalmologists, 2024
- Dr. Liu
- Missouri median
- Medicare services
- 1,960vs 1,58224% above
- Medicare patients
- 308vs 63051% below
- Part D claims
- 2,195vs 7033.1 times
Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.
Dr. Liu'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.
Need commercial claims for Dr. Liu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other ophthalmologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dianna Liu treated 308 Medicare patients in 2024, average age 76
CMS counts 308 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 74, with 60% women.
Dr. Liu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Liu's Medicare patients by sex, 2024
- Women18560%
- Men12340%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes35%
- Ischemic heart disease24%
- Anxiety23%
- Chronic kidney disease23%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dianna Liu wrote 2,298 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 2,298 Medicare Part D claims for 437 patients. 69% of them were for generic drugs. CMS names the drug for 2,195 of them, across 18 drugs with 11 or more claims each, at $139,910 in total drug cost. In 2023, CMS named 1,683 claims across 16 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic1,575 claims69%
- Brand-name723 claims31%
Dr. Liu'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6832024: 2,19530%
Drugs named by CMS: 18 in 2024, 16 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. Dianna Liu scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Liu for performance year 2024, reported as part of a group. Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 92 procedures of cataract surgery by Dr. Liu, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Liu's MIPS scores, performance year 2024
- 91of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Liu ranks in Medicare procedure volume
- Cataract surgery
- 73rd percentile92 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Dianna Liu received $5,995 in industry payments from 2016 to 2025
CMS Open Payments shows 133 general payments to Dr. Liu from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 75% of the total. Alcon Laboratories Inc paid the most, $2,586.
General payments to Dr. Liu by program year, 2016 to 2025
General payments to Dr. Liu by kind, 2016 to 2025
- Food and beverage$4,48975%
- Travel and lodging$1,50625%
Companies that paid Dr. Liu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dianna Liu graduated from Johns Hopkins University School of Medicine
Dr. Liu graduated from Johns Hopkins University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dianna Liu'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Dianna Liu
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. Dianna Liu's NPI number?
Dr. Dianna Liu's NPI number is 1477830511. It was assigned on November 3, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Dianna Liu?
Dr. Dianna Liu is an ophthalmologist in Saint Charles, Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Dianna Liu practice?
Dr. Liu practices at 3501 Harry S Truman Blvd, Saint Charles, MO 63301. Dr. Liu's primary practice is St. Charles Surgery Center in Saint Charles, Missouri. Dmand AI also links Dr. Liu to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Dianna Liu's office phone number?
The practice phone on file for Dr. Liu is (636) 767-1970.
What is Dr. Dianna Liu's medical license number?
Dr. Liu holds Missouri license 2021015991, one of the licenses on file in 3 states.
Which states has Dr. Dianna Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in Missouri, Illinois and Pennsylvania.
Which hospitals is Dr. Dianna Liu affiliated with?
Dr. Liu is affiliated with Loyola University Medical Center. Dmand AI links Dr. Liu to 1 more hospital.
Does Dr. Dianna Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 1,960 services in 2024, and Dr. Liu accepts Medicare assignment.
What is Dr. Dianna Liu's MIPS score?
Dr. Liu's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Dianna Liu see?
CMS counts 308 Medicare patients who saw Dr. Liu in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Dianna Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were office visit, established patient (99213), eye exam or test (92083) and medicare service (G2211).
Where did Dr. Dianna Liu go to medical school?
Dr. Liu graduated from Johns Hopkins University School of Medicine in 2013.
What drugs does Dr. Dianna Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Brimonidine Tartrate.
Has Dr. Dianna Liu received payments from drug or device companies?
CMS Open Payments shows $5,995 in general payments to Dr. Liu from 20 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Dianna Liu been practicing?
Dr. Liu graduated from medical school in 2013, 13 years ago.
Selling to ophthalmology practices?
See ophthalmologists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card