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

Rena Ruiyu Xian, MD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1750525325

Rena Ruiyu Xian, MD is a Pathology in Baltimore, Maryland. Qualified in 2009, 17 years ago. Practices with Johns Hopkins University, a 2,855-clinician group. Licensed in Maryland and Pennsylvania.

Years since qualifying
17
Licensed in
MD, PA
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

401 N Broadway Weinberg 2237
Baltimore, MD 21231
Phone: (215) 662-4829
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence D84801 (MD)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence MT194780 (PA)

Record details

NPI number1750525325
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2009
Last updated in NPPESMarch 30, 2023
Certification dateMarch 30, 2023

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
Practice locations7 on file with Medicare

Other providers in Baltimore