James Xunhai Xu, M.D.
Hematology · Hematology/Oncology · Internal Medicine · Medical Oncology (CMS) · Rockville, MD
At a glance
6000 Executive Blvd, Rockville, MD 20852-3803
NPPES record updated Dec 29, 2016. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
6000 Executive Blvd Suite 501Rockville, MD 20852-3803
Education & affiliations
- Medical / professional school
- University Of Minnesota Medical School
- Graduation year
- 2006
- CMS specialties
- Hematology · Hematology/Oncology · Internal Medicine · Medical Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Adventist Healthcare Shady Grove Medical Center Rockville, MD
- Holy Cross Germantown Hospital Germantown, MD
- Holy Cross Hospital Silver Spring, MD
- Suburban Hospital Bethesda, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 592.
- Oncology: Medical and Radiation - Plan of Care for Pain
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_144_overall. Collection type: REG. Measure denominator: 30.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $2,482.99 |
| Education | $16.40 |
Reporting companies
| Company | Amount |
|---|---|
| JANSSEN BIOTECH, INC. | $271.63 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $256.26 |
| DAIICHI SANKYO INC. | $201.18 |
| ASTRAZENECA PHARMACEUTICALS LP | $170.37 |
| MERCK SHARP & DOHME LLC | $149.64 |
| ARS PHARMACEUTICALS OPERATIONS, INC. | $100.00 |
| GENZYME CORPORATION | $97.69 |
| BEONE MEDICINES USA, INC. | $93.39 |
| Other reporting companies | $1,159.23 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Hematology · Hematology/Oncology · Internal Medicine · Medical Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Jan 30, 2008
- Record updated
- Dec 29, 2016
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- XUNHAI XU
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 252738-1 NY
207RH0003X
License reported: MD13918 RI
207RH0003X
License reported: MD041835 DC
207RH0003X · Primary
License reported: D76899 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
6000 Executive BlvdSuite 501
Rockville, MD 20852-3803
- Phone
- (240) 618-0275
Mailing address
6000 EXECUTIVE BLVDSUITE 501
ROCKVILLE, MD 208523803
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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