Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Potomac Oncology & Hematology, LLC

Q: What is the NPI number for Potomac Oncology & Hematology, LLC?

The NPI for Potomac Oncology & Hematology, LLC is 1114770252, a Type 2 (organization) record in the CMS NPPES registry.

Hematology & Oncology Physician in Germantown, MD · enumerated 2024 · authorized official James Xu, Physician-Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1114770252

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)

Legal business name Potomac Oncology & Hematology, LLC

Practice address 12800 Middlebrook Rd Ste 430, Germantown, MD, 20874

Phone (240) 618-0275

Enumeration date Apr 9, 2024

Last updated in NPPES Apr 9, 2024

Taxonomy & classification

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name James Xu

Title Physician-Owner

Phone (240) 618-0275

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Potomac Oncology & Hematology, LLC?

The NPI for Potomac Oncology & Hematology, LLC is 1114770252, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Potomac Oncology & Hematology, LLC?

NPPES lists James Xu (Physician-Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-09.