Dr. Leo Xingwen Liu, MD
- Medicare services, 2024
- 223
- Medicare patients, 2024
- 156
- Hospital affiliations
- 2
- Industry payments
- $290
- Medical group
- 1
- Practice address
- 1 General St, Lawrence, MA 01841
- Practice phone
- Call (978) 683-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Merrimack Health Lawrence Hospital
Lawrence, Massachusetts
Find Dr. Liu's professional email, personal email and mobile number
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Dr. Leo Xingwen Liu is an infectious disease specialist in Lawrence, Massachusetts
Dr. Liu practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts.
Dr. Liu's NPI, 1376851436, was assigned on September 22, 2010. Dr. Liu graduated from Stanford University School of Medicine in 1983. Dr. Liu holds Massachusetts license 56228.
- NPI
- 1376851436NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325216427
- NPI enumeration date
- September 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 683-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leo Xingwen Liu practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts
Dr. Liu's primary practice is Merrimack Health Lawrence Hospital, at 1 General St, Lawrence, MA 01841 in Essex County. The practice phone is (978) 683-4000.
- Merrimack Health Lawrence Hospital1 General St, Lawrence, MA 01841 · Essex CountyPhone(978) 683-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leo Xingwen Liu is affiliated with 3 sites of care and 1 medical group
Dr. Liu's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dr. Liu is also affiliated with Merrimack Health Lawrence Hospital. The medical group on file is InCare Pulmonary and Sleep Specialists. Dmand AI also links Dr. Liu to 1 more hospital, 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. Leo Xingwen Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Merrimack Health Lawrence 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. Leo Xingwen Liu is one of 395 infectious disease specialists in Massachusetts
Infectious disease is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Liu is licensed in Massachusetts.
Specialties and state licenses
- Infectious disease, MassachusettsPrimary
Infectious disease specialists near Dr. Liu
Counts of infectious disease specialists 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. Leo Xingwen Liu billed Medicare for 223 services in 2024
CMS data shows 223 Medicare services from Dr. Liu across 5 procedure codes in 2024, for 156 Medicare patients. Medicare paid $25,162 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: 2232024: 223No change
Dr. Liu compared with the Massachusetts median for infectious disease specialists, 2024
- Dr. Liu
- Massachusetts median
- Medicare services
- 223vs 16337% above
- Medicare patients
- 156vs 9466% above
Medians across 363 infectious disease specialists in Massachusetts 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 infectious disease specialists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leo Xingwen Liu treated 156 Medicare patients in 2024, average age 75
CMS counts 156 Medicare patients who saw Dr. Liu in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 3.31, 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 61, with 50% women.
Dr. Liu's Medicare patients by age, 2024
Dr. Liu's Medicare patients by sex, 2024
- Women7749%
- Men7951%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Mood disorders58%
- Diabetes57%
- Chronic kidney disease54%
- Anxiety53%
- Depression53%
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 61
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Leo Xingwen 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. Leo Xingwen Liu received $290 in industry payments from 2017 to 2025
CMS Open Payments shows 14 general payments to Dr. Liu from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $83.
General payments to Dr. Liu by program year, 2017 to 2025
Companies that paid Dr. Liu the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leo Xingwen Liu graduated from Stanford University School of Medicine
Dr. Liu graduated from Stanford University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leo Xingwen 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) |
| 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. Leo Xingwen 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. Leo Xingwen Liu's NPI number?
Dr. Leo Xingwen Liu's NPI number is 1376851436. It was assigned on September 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo Xingwen Liu?
Dr. Leo Xingwen Liu is an infectious disease specialist in Lawrence, Massachusetts. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Leo Xingwen Liu practice?
Dr. Liu practices at 1 General St, Lawrence, MA 01841. Dr. Liu's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dmand AI also links Dr. Liu to 1 hospital.
What is Dr. Leo Xingwen Liu's office phone number?
The practice phone on file for Dr. Liu is (978) 683-4000.
What is Dr. Leo Xingwen Liu's medical license number?
Dr. Liu holds Massachusetts license 56228.
Which hospitals is Dr. Leo Xingwen Liu affiliated with?
Dr. Liu is affiliated with Merrimack Health Lawrence Hospital. Dmand AI links Dr. Liu to 1 more hospital.
What medical group is Dr. Leo Xingwen Liu part of?
Dr. Liu is linked to InCare Pulmonary and Sleep Specialists.
Does Dr. Leo Xingwen Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 223 services in 2024, and Dr. Liu accepts Medicare assignment.
How many Medicare patients does Dr. Leo Xingwen Liu see?
CMS counts 156 Medicare patients who saw Dr. Liu in 2024, with an average age of 75.
What services does Dr. Leo Xingwen Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99222) and hospital inpatient care (99223).
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Where did Dr. Leo Xingwen Liu go to medical school?
Dr. Liu graduated from Stanford University School of Medicine in 1983.
Has Dr. Leo Xingwen Liu received payments from drug or device companies?
CMS Open Payments shows $290 in general payments to Dr. Liu from 5 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Leo Xingwen Liu been practicing?
Dr. Liu graduated from medical school in 1983, 43 years ago.
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