$3,323 in research paymentsMelanomaNevi and MelanomasLY3214996AbemaciclibCetuximab
Dr. Stephen Liu, MD
NPI1184788432PAC ID5193995355
- Medicare services, 2024
- 587
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 454
- Clinical trials
- 1
- MIPS score, 2024
- 83
- Practice address
- 3800 Reservoir NW Rd, Washington, DC 20007
- Practice phone
- Call (202) 444-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Georgetown Medical Center
Washington, District of Columbia
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. Stephen Liu is a medical oncologist in Washington, District of Columbia
Dr. Liu practices at Medstar Georgetown Medical Center in Washington, District of Columbia.
Dr. Liu's NPI, 1184788432, was assigned on December 21, 2006. Dr. Liu graduated from University of Maryland School of Medicine in 2005. Dr. Liu holds California license A102491.
NPI and contact details
- NPI
- 1184788432NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193995355
- NPI enumeration date
- December 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 444-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Liu practices at Medstar Georgetown Medical Center in Washington, District of Columbia
Dr. Liu's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.
- Medstar Georgetown Medical Center3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Liu is affiliated with 5 sites of care and 2 medical groups
Dr. Liu's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dr. Liu is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Liu to 2 more hospitals, 1 home health agency and 1 medical group, each named with a free account.
Medstar Georgetown Medical CenterPrimary
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. Stephen 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 |
|---|---|
| Medstar Georgetown Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Stephen Liu is one of 39 medical oncologists in District of Columbia
Medical oncology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dmand AI has Dr. Liu's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Medical oncology, CaliforniaPrimary
- Internal medicine, Pennsylvania
Medical oncologists near Dr. Liu
Counts of medical oncologists 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. Stephen Liu billed Medicare for 587 services in 2024
CMS data shows 587 Medicare services from Dr. Liu across 4 procedure codes in 2024, for 160 Medicare patients. Medicare paid $71,387 for them.
Medicare services, 2024587
Medicare patients160
Paid by Medicare$71,387
Procedure codes4
Dr. Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4082024: 53631%
- Other services
- 2023: 02024: 51
Where Dr. Liu's Medicare services took place, 2024
- In an office5710%
- In a facility53090%
Dr. Liu compared with the District of Columbia median for medical oncologists, 2024
- Dr. Liu
- District of Columbia median
- Medicare services
- 587vs 45030% above
- Medicare patients
- 160vs 160Close to median
- Part D claims
- 263vs 1302.0 times
Medians across 37 medical oncologists in District of Columbia 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 medical oncologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Liu treated 160 Medicare patients in 2024, average age 74
CMS counts 160 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have cancer, and 75% have high blood pressure. 17% are also on Medicaid. Their average risk score is 2.56, 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 68, with 56% women.
Medicare patients, 2024160
Average age74
Average risk score2.56
Also on Medicaid17%
Dr. Liu's Medicare patients by age, 2024
Dr. Liu's Medicare patients by sex, 2024
- Women8956%
- Men7144%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol73%
- Arthritis50%
- Ischemic heart disease45%
- COPD37%
- Diabetes33%
- Chronic kidney disease27%
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 68
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Liu wrote 454 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 454 Medicare Part D claims for 89 patients. 55% of them were for generic drugs. CMS names the drug for 263 of them, across 11 drugs with 11 or more claims each, at $2,560,620 in total drug cost. In 2023, CMS named 116 claims across 7 drugs.
Part D claims, 2024454
Drugs named by CMS11
Total drug cost$2.6M
Part D patients89
Dr. Liu's Part D claims by kind of drug, 2024
- Generic250 claims55%
- Brand-name204 claims45%
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
- Opioids7%34 of 454 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: 1162024: 263127%
Drugs named by CMS: 11 in 2024, 7 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. Stephen Liu scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 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 lists Dr. Liu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Liu's MIPS scores, performance year 2024
- 83of 100Final score
- 72.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 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. Stephen Liu has worked on 1 clinical trial
Dmand AI links Dr. Liu to 1 clinical trial. Conditions studied include Melanoma and Nevi and Melanomas. Open Payments lists research payments to Dr. Liu that name 1 trial.
Conditions in Dr. Liu's trials
- Melanoma
- Nevi and Melanomas
Investigators on the most trials with Dr. Liu
- Johanna Bendell, MD1 shared trial
- Timothy F. Burns, MD, PhD1 shared trial
- Kathleen N. Moore, MD1 shared trial
Recent clinical trials with Dr. Liu
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen Liu received $932,889 in industry payments from 2016 to 2025
CMS Open Payments shows 749 general payments to Dr. Liu from 40 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 73% of the total. AstraZeneca Pharmaceuticals LP paid the most, $224,180. It also lists 37 research payments totaling $35,828 from 2019 to 2025, naming 1 clinical trial.
General payments to Dr. Liu by program year, 2016 to 2025
General payments to Dr. Liu by kind, 2016 to 2025
$932.9Kin total
- Consulting fees$682,72073%
- Speaker and faculty fees$115,86512%
- Travel and lodging$106,04511%
- Food and beverage$17,1072%
- Other$11,1531%
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. Stephen Liu graduated from University of Maryland School of Medicine
Dr. Liu graduated from University of Maryland School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Stephen 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. Stephen Liu's NPI number?
Dr. Stephen Liu's NPI number is 1184788432. It was assigned on December 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Liu?
Dr. Stephen Liu is a medical oncologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Stephen Liu practice?
Dr. Liu practices at 3800 Reservoir NW Rd, Washington, DC 20007. Dr. Liu's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Liu to 2 hospitals, 1 home health agency and 1 medical group.
What is Dr. Stephen Liu's office phone number?
The practice phone on file for Dr. Liu is (202) 444-1400.
What is Dr. Stephen Liu's medical license number?
Dr. Liu holds California license A102491, one of the licenses on file in 2 states.
Which states has Dr. Stephen Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in California and Pennsylvania.
Which hospitals is Dr. Stephen Liu affiliated with?
Dr. Liu is affiliated with MedStar Washington Hospital Center. Dmand AI links Dr. Liu to 2 more hospitals.
What medical group is Dr. Stephen Liu part of?
Dr. Liu is linked to MedStar Medical Group. Dmand AI links Dr. Liu to 1 more medical group.
Does Dr. Stephen Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 587 services in 2024, and Dr. Liu accepts Medicare assignment.
Does Dr. Stephen Liu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liu as offering telehealth services.
Show 8 more questionsShow fewer questions
What is Dr. Stephen Liu's MIPS score?
Dr. Liu's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen Liu see?
CMS counts 160 Medicare patients who saw Dr. Liu in 2024, with an average age of 74.
What services does Dr. Stephen Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Stephen Liu go to medical school?
Dr. Liu graduated from University of Maryland School of Medicine in 2005.
What drugs does Dr. Stephen Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Tagrisso, Hydrocortisone and Ondansetron HCl.
Has Dr. Stephen Liu received payments from drug or device companies?
CMS Open Payments shows $932,889 in general payments to Dr. Liu from 40 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Stephen Liu been practicing?
Dr. Liu graduated from medical school in 2005, 21 years ago.
Does Dr. Stephen Liu do research?
Dr. Liu has worked on 1 clinical trial.
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