Doctor profile · Federal record

Dr. Xiaojun Wu, M.D., PHD

Anatomic Pathology & Clinical Pathology Physician (CMS: Hematology) · Anatomic Pathology & Clinical Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · Washington, DC

  • NPI 1497958896
  • MIPS 75.0 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 4 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2120 L St Nw, 2Nd Floor, Suite 200
Washington, DC 200371527
(202) 677-6600
Additional location
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-5000
fax (202) 537-4466

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
March 19, 2026
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (4)
District of Columbia #MD043214 · New York #269720 · Alabama #MD30724 · Maryland #D83890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497958896. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,455
Distinct HCPCS
10
Medicare allowed
$132,586
HCPCS Description Services Patients Avg allowed
88341 Special stained specimen slides to examine tissue, each additional procedure 1,532 224 $31
88305 Pathology examination of tissue using a microscope, intermediate complexity 518 302 $40
88313 Special stained specimen slides to examine tissue including interpretation and report 269 162 $13
88342 Special stained specimen slides to examine tissue, initial procedure 268 243 $37
88307 Pathology examination of tissue using a microscope, moderately high complexity 172 116 $89
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 142 125 $87
88360 Microscopic genetic analysis of tumor, manual 119 95 $45
85097 Bone marrow, smear interpretation 107 96 $53
88311 Preparation of tissue for examination by removing any calcium present 104 99 $13
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers 55 50 $65

In context: peer comparison

Among 13 peers in Washington Anatomic Pathology & Clinical Pathology Physician, average services per provider: 142. This provider delivers 24× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Xiaojun Wu's medical specialty?
Dr. Xiaojun Wu practices Anatomic Pathology & Clinical Pathology Physician in Washington, DC.
Where does Dr. Xiaojun Wu practice?
Dr. Xiaojun Wu practices at 2120 L St Nw, Washington, DC 200371527. Office phone: 2026776600.
What is Dr. Xiaojun Wu's NPI?
Dr. Xiaojun Wu's National Provider Identifier (NPI) is 1497958896, issued by NPPES.
Does Dr. Xiaojun Wu accept Medicare assignment?
Dr. Xiaojun Wu does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Xiaojun Wu commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.