Dr. Roger Liu, DO
- Medicare services, 2024
- 1,429
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 482
- Hospital affiliations
- 3
- Industry payments
- $200
- Practice address
- 501 W 14th St, Wilmington, DE 19801
- Practice phone
- Call (302) 733-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ChristianaCare Wilmington Hospital
Wilmington, Delaware
Find Dr. Liu's professional email, personal email and mobile number
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Dr. Roger Liu is a physiatrist in Wilmington, Delaware
Dr. Liu practices at ChristianaCare Wilmington Hospital in Wilmington, Delaware.
Dr. Liu's NPI, 1306337860, was assigned on May 21, 2018. Dr. Liu graduated from Rowan University School of Osteopathic Medicine in 2018. Dr. Liu holds Delaware license C2-0024445.
- NPI
- 1306337860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072840495
- NPI enumeration date
- May 21, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 733-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roger Liu practices at ChristianaCare Wilmington Hospital in Wilmington, Delaware
Dr. Liu's primary practice is ChristianaCare Wilmington Hospital, at 501 W 14th St, Wilmington, DE 19801 in New Castle County. The practice phone is (302) 733-1000.
- ChristianaCare Wilmington Hospital501 W 14th St, Wilmington, DE 19801 · New Castle CountyPhone(302) 733-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roger Liu is affiliated with 5 sites of care and 1 medical group
Dr. Liu's primary practice is ChristianaCare Wilmington Hospital in Wilmington, Delaware. Dr. Liu is also affiliated with Select Specialty Hospital - Wilmington. The medical group on file is ChristianaCare. Dmand AI also links Dr. Liu to 2 more hospitals and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roger 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 |
|---|---|
| ChristianaCare Wilmington Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roger Liu is one of 49 physiatrists in Delaware
Physical medicine and rehabilitation is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 208100000X. Dmand AI has Dr. Liu's licenses on file in 2 states: Delaware and Pennsylvania.
Specialties and state licenses
- Physical medicine and rehabilitation, DelawarePrimary
- Pennsylvania license
Physiatrists near Dr. Liu
Counts of physiatrists 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. Roger Liu billed Medicare for 1,429 services in 2024
CMS data shows 1,429 Medicare services from Dr. Liu across 8 procedure codes in 2024, for 276 Medicare patients. Medicare paid $105,933 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1282024: 1,42927%
Dr. Liu compared with the Delaware median for physiatrists, 2024
- Dr. Liu
- Delaware median
- Medicare services
- 1,429vs 1,66714% below
- Medicare patients
- 276vs 2956% below
- Part D claims
- 202vs 15629% above
Medians across 45 physiatrists in Delaware 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other physiatrists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roger Liu treated 276 Medicare patients in 2024, average age 75
CMS counts 276 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.14, 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. Liu's median patient age at 73, with 50% women.
Dr. Liu's Medicare patients by age, 2024
Dr. Liu's Medicare patients by sex, 2024
- Women13147%
- Men14553%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Mood disorders55%
- Diabetes44%
- Ischemic heart disease44%
- Depression42%
- Anxiety41%
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 73
Patient panel by sex, all payers
- Women50%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roger Liu wrote 482 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 482 Medicare Part D claims for 142 patients. 91% of them were for generic drugs. CMS names the drug for 202 of them, across 8 drugs with 11 or more claims each, at $2,196 in total drug cost. In 2023, CMS named 753 claims across 24 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic440 claims91%
- Brand-name42 claims9%
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.
Drug classes CMS tracks in Dr. Liu's Part D claims, 2024
- Opioids19%90 of 482 claims
- Antibiotics4%20 of 482 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: 7532024: 20273%
Drugs named by CMS: 8 in 2024, 24 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
How Dr. Roger Liu takes part in Medicare
Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Roger Liu received $200 in industry payments from 2021 to 2023
CMS Open Payments shows 5 general payments to Dr. Liu from 4 drug and device companies from 2021 to 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $135.
General payments to Dr. Liu by program year, 2021 to 2023
Companies that paid Dr. Liu the most, 2021 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roger Liu graduated from Rowan University School of Osteopathic Medicine
Dr. Liu graduated from Rowan University School of Osteopathic Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roger 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 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) |
| 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. Roger 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. Roger Liu's NPI number?
Dr. Roger Liu's NPI number is 1306337860. It was assigned on May 21, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Roger Liu?
Dr. Roger Liu is a physiatrist in Wilmington, Delaware. The primary specialty in the NPI Registry is Physical Medicine & Rehabilitation Physician (taxonomy code 208100000X).
Where does Dr. Roger Liu practice?
Dr. Liu practices at 501 W 14th St, Wilmington, DE 19801. Dr. Liu's primary practice is ChristianaCare Wilmington Hospital in Wilmington, Delaware. Dmand AI also links Dr. Liu to 2 hospitals and 1 home health agency.
What is Dr. Roger Liu's office phone number?
The practice phone on file for Dr. Liu is (302) 733-1000.
What is Dr. Roger Liu's medical license number?
Dr. Liu holds Delaware license C2-0024445, one of the licenses on file in 2 states.
Which states has Dr. Roger Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in Delaware and Pennsylvania.
Which hospitals is Dr. Roger Liu affiliated with?
Dr. Liu is affiliated with Select Specialty Hospital - Wilmington. Dmand AI links Dr. Liu to 2 more hospitals.
What medical group is Dr. Roger Liu part of?
Dr. Liu is linked to ChristianaCare.
Does Dr. Roger Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 1,429 services in 2024, and Dr. Liu accepts Medicare assignment.
How many Medicare patients does Dr. Roger Liu see?
CMS counts 276 Medicare patients who saw Dr. Liu in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Roger Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Roger Liu go to medical school?
Dr. Liu graduated from Rowan University School of Osteopathic Medicine in 2018.
What drugs does Dr. Roger Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Gabapentin, Oxycodone HCl and Baclofen.
Has Dr. Roger Liu received payments from drug or device companies?
CMS Open Payments shows $200 in general payments to Dr. Liu from 4 companies from 2021 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Roger Liu been practicing?
Dr. Liu graduated from medical school in 2018, 8 years ago.
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