Dan Liu
- Medicare services, 2024
- 2,379
- Medicare patients, 2024
- 832
- Part D claims, 2024
- 1,495
- Hospital affiliations
- 1
- Industry payments
- $2,061
- Practice address
- 591 Lincoln St, Worcester, MA 01605
- Practice phone
- Call (508) 595-9494
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rice Ophthalmology Assoc., P.C.
Worcester, Massachusetts
Find Dan 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.
Dan Liu is an ophthalmologist in Worcester, Massachusetts
Dan Liu practices at Rice Ophthalmology Assoc., P.C. in Worcester, Massachusetts.
Dan Liu's NPI, 1033565874, was assigned on May 11, 2016. Dan Liu holds Massachusetts license 282936.
- NPI
- 1033565874NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022354588
- NPI enumeration date
- May 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 595-9494
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dan Liu practices at Rice Ophthalmology Assoc., P.C. in Worcester, Massachusetts
Dan Liu's primary practice is Rice Ophthalmology Assoc., P.C., at 591 Lincoln St, Worcester, MA 01605 in Worcester County. The practice phone is (508) 595-9494.
- Rice Ophthalmology Assoc., P.C.591 Lincoln St, Worcester, MA 01605 · Worcester CountyPhone(508) 595-9494
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dan Liu is affiliated with 6 sites of care and 4 medical groups
Dan Liu's primary practice is Rice Ophthalmology Assoc., P.C. in Worcester, Massachusetts. Dan Liu is also affiliated with UMass Memorial Medical Center - University Campus. Dmand AI also links Dan Liu to 4 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dan Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dan Liu practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rice Ophthalmology Assoc., P.C. | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dan Liu is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dan Liu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dan Liu is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dan 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
Dan Liu billed Medicare for 2,379 services in 2024
CMS data shows 2,379 Medicare services from Dan Liu across 15 procedure codes in 2024, for 832 Medicare patients. Medicare paid $211,425 for them.
Dan Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,4002024: 1,63117%
- Office and hospital visits
- 2023: 4522024: 4694%
- Surgery
- 2023: 832024: 198139%
- Imaging
- 2023: 142024: 81479%
Where Dan Liu's Medicare services took place, 2024
- In an office2,18192%
- In a facility1988%
Dan Liu compared with the Massachusetts median for ophthalmologists, 2024
- Dan Liu
- Massachusetts median
- Medicare services
- 2,379vs 1,59849% above
- Medicare patients
- 832vs 59440% above
- Part D claims
- 1,414vs 5452.6 times
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dan 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dan Liu and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dan Liu treated 832 Medicare patients in 2024, average age 75
CMS counts 832 Medicare patients who saw Dan Liu in 2024. The largest group is 65 to 74, with 336 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dan Liu's median patient age at 65, with 56% women.
Dan Liu's Medicare patients by age, 2024
Dan Liu's Medicare patients by sex, 2024
- Women52863%
- Men30437%
Chronic conditions among Dan Liu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis48%
- Anxiety27%
- Chronic kidney disease26%
- Diabetes26%
- Mood disorders26%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dan 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 65
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dan Liu wrote 1,495 Medicare Part D claims in 2024
In 2024, Dan Liu wrote 1,495 Medicare Part D claims for 438 patients. 57% of them were for generic drugs. CMS names the drug for 1,414 of them, across 18 drugs with 11 or more claims each, at $183,876 in total drug cost. In 2023, CMS named 1,017 claims across 15 drugs.
Dan Liu's Part D claims by kind of drug, 2024
- Generic857 claims57%
- Brand-name638 claims43%
Dan 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.
Drug classes CMS tracks in Dan Liu's Part D claims, 2024
- Antibiotics1%20 of 1,495 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: 1,0172024: 1,41439%
Drugs named by CMS: 18 in 2024, 15 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
Dan Liu ranks in the 93rd percentile for cataract surgery in Medicare
Dan Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 387 procedures of cataract surgery by Dan Liu, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dan Liu ranks in Medicare procedure volume
- Cataract surgery
- 93rd percentile387 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dan Liu received $2,061 in industry payments from 2021 to 2025
CMS Open Payments shows 56 general payments to Dan Liu from 12 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 79% of the total. Alcon Laboratories Inc paid the most, $805.
General payments to Dan Liu by program year, 2021 to 2025
General payments to Dan Liu by kind, 2021 to 2025
- Food and beverage$1,62779%
- Travel and lodging$43521%
Companies that paid Dan Liu the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dan 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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 Dan 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 Dan Liu's NPI number?
Dan Liu's NPI number is 1033565874. It was assigned on May 11, 2016, and it is active in the NPI Registry.
What does Dan Liu specialize in?
Dan Liu is an ophthalmologist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dan Liu practice?
Dan Liu practices at 591 Lincoln St, Worcester, MA 01605. Dan Liu's primary practice is Rice Ophthalmology Assoc., P.C. in Worcester, Massachusetts. Dmand AI also links Dan Liu to 4 group practices and clinics and 4 medical groups.
What is Dan Liu's office phone number?
The practice phone on file for Dan Liu is (508) 595-9494.
What is Dan Liu's medical license number?
Dan Liu holds Massachusetts license 282936.
Which hospitals is Dan Liu affiliated with?
Dan Liu is affiliated with UMass Memorial Medical Center - University Campus.
Does Dan Liu accept Medicare?
Yes. CMS data shows Dan Liu billed Medicare for 2,379 services in 2024, and Dan Liu accepts Medicare assignment.
How many Medicare patients does Dan Liu see?
CMS counts 832 Medicare patients who saw Dan Liu in 2024, with an average age of 75.
What services does Dan Liu bill to Medicare?
In 2024, Dan Liu's most billed Medicare services were eye exam or test (92014), eye exam or test (92250) and eye exam or test (92136).
What drugs does Dan Liu prescribe most?
In 2024 Medicare Part D data, Dan Liu's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Ketorolac Tromethamine.
Has Dan Liu received payments from drug or device companies?
CMS Open Payments shows $2,061 in general payments to Dan Liu from 12 companies from 2021 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dan Liu been practicing?
Dan Liu graduated from medical school in 2016, 10 years ago.
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