James Xunhai Xu, M.D.
Hematology & Oncology Physician · Rockville, MD
James Xunhai Xu, M.D. is a hematology & oncology physician with a practice address in Rockville, Maryland, and NPI 1104003342, issued on Jan 30, 2008. Check the license (Maryland D76899, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- James Xunhai Xu
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- D76899 MD
MD041835 DC
252738-1 NY
MD13918 RI
Self-reported in NPPES; status is on the state search - Practice location
- 6000 Executive Blvd, Rockville, MD 20852
- Phone
- (240) 618-0275
- Enumerated
- Jan 30, 2008
- Record last updated
- Dec 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131217001137); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 6000 Executive Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Xunhai Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D76899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,252 Medicare Part D claims for 175 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 72 claims were for opioids.
Most prescribed
- Eliquis192 claims
- Warfarin Sodium142 claims
- Ondansetron Odt71 claims
- Prednisone48 claims
- Enoxaparin Sodium41 claims
- Abiraterone Acetate40 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 MIPS final score for 2023 (Medicare payment program): 88.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,098.16
83 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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 one group practice
- Potomac Oncology And Hematology, LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Xunhai Xu among 317 hematology & oncology physician records in Maryland
James Xunhai Xu, M.D. is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% 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 56% of them.
- NPI issued2008 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2000 among the 185 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Maryland
There are 317 hematology & oncology physician records in Maryland.
All 317 in Maryland → Every provider in Rockville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Peter Bross, M.D.Rockville, MD 208521043305386
- Bindu George, MDRockville, MD 208521619978400
- Nelson Kalil, M.D.Rockville, MD 208521427074707
- Barnett Kramer, M.D.Rockville, MD 208521992821557
- Ronald Lieberman, M.D.Rockville, MD 208521306035662
- Farah Zia, MDRockville, MD 208521407011729
- Manish Agrawal, M.D.Rockville, MD 208501275614984
- Lisa Arsenault, PARockville, MD 208501841427804
Common questions
What is James Xunhai Xu, M.D.'s NPI number?
James Xunhai Xu, M.D.'s National Provider Identifier (NPI) is 1104003342, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James Xunhai Xu, M.D. located?
The NPPES record lists a practice address at 6000 Executive Blvd, Rockville, MD, 20852. Phone: (240) 618-0275. Providers update this record themselves, so call before visiting.
How can I verify James Xunhai Xu, M.D.'s license?
NPPES lists Maryland license number D76899, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Xunhai Xu, M.D. prescribe under Medicare Part D?
In 2024, James Xunhai Xu, M.D. had 1,252 Medicare Part D claims for 175 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is James Xunhai Xu, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.4 of 100. 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.