Xin Liu, M.D.
General Practice Physician · Claymont, DE
Xin Liu, M.D. is a general practice physician with a practice address in Claymont, Delaware, and NPI 1518129154, issued on Jun 25, 2008. Check the license (Delaware C1-0024055, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Xin Liu
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- C1-0024055 DE
C1-0009015 DE
MD433848 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2400 Philadelphia Pike Ste A, Claymont, DE 19703
- Phone
- (302) 317-1531
- Enumerated
- Jun 25, 2008
- Record last updated
- Mar 18, 2025
- Fax
- (302) 291-4986
- Medicaid ID
- 102311316 PA
- Medicare enrollment
- Enrolled (PECOS I20090714000220); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 49 in Delaware → Look up another NPI →
Also registered at 2400 Philadelphia Pike Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lin ZhengInternal Medicine Physician1598095747
Verify Xin Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0024055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average general practice physician in 2024
244 Medicare Part D claims for 139 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Prednisone32 claims
- Albuterol Sulfate Hfa20 claims
- Amoxicillin16 claims
- Doxycycline Hyclate14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Azithromycin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $316.62
3 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cep America - Anesthesia PCLanghorne, PA
- Professional Service Fund OF Deborah- AnesthesiaBrowns Mills, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Xin Liu among 49 general practice physician records in Delaware
Xin Liu, M.D. is one of 49 general practice physician records with a practice address in Delaware. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 71% of them.
- NPI issued2008 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Record last updated2025 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Delaware
There are 49 general practice physician records in Delaware.
All 49 in Delaware → Every provider in Claymont → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Justin D'Antuono, MDNewark, DE 197021669676219
- Anna Kolano, D.O.Newark, DE 197021043301427
- Patricia Baile, M.D.Bear, DE 197011750600193
- Mark Keigi, MDBear, DE 197011043841620
- Ralph Burdick, D.O.Delaware City, DE 197061033225321
- Vincent Schaller, MDHockessin, DE 197071730180696
- Constance Gerassimakis, MDMiddletown, DE 197091588696058
- Gerard Kuhn, MDMiddletown, DE 197091851482236
Common questions
What is Xin Liu, M.D.'s NPI number?
Xin Liu, M.D.'s National Provider Identifier (NPI) is 1518129154, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Xin Liu, M.D. located?
The NPPES record lists a practice address at 2400 Philadelphia Pike Ste A, Claymont, DE, 19703. Phone: (302) 317-1531. Providers update this record themselves, so call before visiting.
How can I verify Xin Liu, M.D.'s license?
NPPES lists Delaware license number C1-0024055, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Xin Liu, M.D. prescribe under Medicare Part D?
In 2024, Xin Liu, M.D. had 244 Medicare Part D claims for 139 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Xin Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.