Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. James Xunhai Xu, MD

Individual provider Internal Medicine Physician · NPI 1104003342

Dr. James Xunhai Xu, MD is a Hematology/Oncology in Rockville, Maryland. Graduated from University of Minnesota Medical School in 2006, 20 years ago. Practices with Potomac Oncology and Hematology, LLC, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia, Maryland, New York and Rhode Island.

Years since qualifying
20
Trained at
University of Minnesota Medical School
Licensed in
DC, MD, NY, RI
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6000 Executive Blvd Ste 501
Rockville, MD 20852-3803
Phone: (240) 618-0275
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence D76899 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 252738-1 (NY)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD13918 (RI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD041835 (DC)

Record details

NPI number1104003342
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2008
Last updated in NPPESDecember 29, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesHEMATOLOGY, INTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice Potomac Oncology And Hematology, Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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