Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leechuan Andy Chen, M.D., PH.D.

Radiation Oncology Physician in Sugar Land, TX · enumerated 2009 · practices at Oncology Pharmacy Services Inc.

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

National Provider Identifier

1104050558

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Registry record

Entity type Individual (Type 1)

Name Dr. Leechuan Andy Chen

Credential M.D., PH.D.

Sex Male

Practice address 1350 First Colony Blvd, Sugar Land, TX, 77479

Phone (281) 277-5200

Fax (281) 276-3492

Enumeration date May 13, 2009

Last updated in NPPES Sep 16, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License BP10034764 (TX) Secondary

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 7771248-1205 (UT) Secondary

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License Q0889 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
338993401	Medicaid	TX	-
338993403	Medicaid	TX	-
P01555190	Other	TX	RAILROAD MEDICARE
338993402	Medicaid	TX	-

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.

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Frequently asked questions

What is the NPI number for Leechuan Andy Chen?

The National Provider Identifier (NPI) for Leechuan Andy Chen is 1104050558, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leechuan Andy Chen practice?

The practice location on file with NPPES is in Sugar Land, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-16.