Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Walker Smith, M.D.
Specialist in Sheffield, AL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396715843
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark Walker Smith
Credential M.D.
Sex Male
Practice address 1015 S Jackson Hwy, Sheffield, AL, 35660
Phone (256) 381-5510
Fax (256) 386-5551
Enumeration date Jan 26, 2006
Last updated in NPPES Jul 8, 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
Where does Mark Smith practice?
The practice location on file with NPPES is in Sheffield, AL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Smith?
The National Provider Identifier (NPI) for Mark Smith is 1396715843, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Frederick Holcomb Specialist · Sheffield, AL NPI 1477523272 Michael Yordy Specialist · Sheffield, AL NPI 1730159112 Shoals Urological Associates PC Urology Physician · Sheffield, AL NPI 1063579787 Kevin Walls Urology Physician · Sheffield, AL NPI 1295908507 Keller Shoals Urological Associates Urology Physician · Sheffield, AL NPI 1740006568 Melissa Wilson Family Nurse Practitioner · Sheffield, AL NPI 1497632335
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.