Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Aaron En-Kuang Fan, MD, PHD
Pediatrics Physician in Houston, TX · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023637501
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Aaron En-Kuang Fan
Credential MD, PHD
Sex Male
Practice address 1515 Holcombe Blvd, Houston, TX, 77030
Phone (713) 792-6161
Enumeration date Apr 14, 2020
Last updated in NPPES Jul 30, 2024
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD.43178 (AL) Secondary
2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License MD.43178 (AL) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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.
Frequently asked questions
Where does Aaron Fan practice?
The practice location on file with NPPES is in Houston, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Aaron Fan?
The National Provider Identifier (NPI) for Aaron Fan is 1023637501, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Najat Daw Pediatric Hematology & Oncology Physician · Houston, TX NPI 1932102126 Joseph Khoury Anatomic Pathology & Clinical Pathology Physician · Houston, TX NPI 1013910108 Jade Schiffman Ophthalmology Physician · Houston, TX NPI 1700888971 Achal Sarna Diagnostic Radiology Physician · Houston, TX NPI 1033113675 Joanne Becker Blood Banking & Transfusion Medicine Physician · Houston, TX NPI 1235134800 Marina George Internal Medicine Physician · Houston, TX NPI 1780680009 Janice Garza-Dennis Nurse Practitioner · Houston, TX NPI 1659378016 Milind Javle Medical Oncology Physician · Houston, TX NPI 1831196252
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-30.