Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Darrell Eugene Reliford Alley, M.D.
Surgery Physician in Tyler, TX · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235254384
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Darrell Eugene Reliford Alley
Credential M.D.
Sex Male
Practice address 904 S Beckham Ave, Attn Amber Allen, Tyler, TX, 75701
Phone (903) 596-3588
Fax (903) 594-2038
Enumeration date Mar 20, 2007
Last updated in NPPES Nov 16, 2007
Taxonomy & licenses
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
What is the NPI number for Darrell Alley?
The National Provider Identifier (NPI) for Darrell Alley is 1235254384, a Type 1 (individual) record in the CMS NPPES registry.
Where does Darrell Alley practice?
The practice location on file with NPPES is in Tyler, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → East Texas Medical Center Healthcare Associates Pathology Specialist/Technologist · Tyler, TX NPI 1619917481 East Texas Medical Center Healthcare Associates Family Medicine Physician · Tyler, TX NPI 1629252937 East Texas Medical Center Healthcare Associates Family Medicine Physician · Tyler, TX NPI 1174707483
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-16.