Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Derek Todd Landis, MD
Pediatrics Physician in Ardmore, OK · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1487854642
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Registry record
Entity type Individual (Type 1)
Name Derek Todd Landis
Credential MD
Sex Male
Practice address 921 14th Ave Nw, Ardmore, OK, 73401
Phone (580) 223-5311
Fax (580) 223-8227
Enumeration date Jul 24, 2007
Last updated in NPPES May 20, 2014
Taxonomy & licenses
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 |
|---|---|---|---|
| 25666 | Other | OK | OKLAHOMA MEDICAL LICENSE |
| 36032 | Other | OK | OBNDD LICENSE |
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 Derek Landis?
The National Provider Identifier (NPI) for Derek Landis is 1487854642, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Landis practice?
The practice location on file with NPPES is in Ardmore, OK. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Medical Arts Clinic of Ardmore Inc Pediatrics Physician · Ardmore, OK NPI 1457331175 Mercy Health Services - Southern Oklahoma, LLC Occupational Medicine Clinic/Center · Ardmore, OK NPI 1114982527 Toribio Velasquez Internal Medicine Physician · Ardmore, OK NPI 1194779975 Sallie Walker Family Nurse Practitioner · Ardmore, OK NPI 1306889878 Bobby Ellis Internal Medicine Physician · Ardmore, OK NPI 1679595144 Summer Kirby Family Medicine Physician · Ardmore, OK NPI 1376703595 Jerad Wagner Physician Assistant · Ardmore, OK NPI 1932448347 Lisa Burton Nurse Practitioner · Ardmore, OK NPI 1912395898
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-20.