Duncan Anesthesia Associates INC in Duncan, OK
This organization bills under NPI 1205897410, an organization record issued on Mar 29, 2006 with the primary taxonomy Certified Registered Nurse Anesthetist. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1205897410
- Legal name
- Duncan Anesthesia Associates INC
- Entity
- Type 2 · organization
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- Practice location
- 1407 WHISENANT DR, Duncan, OK 75533
- Phone
- 580-251-8847
- Enumerated
- Mar 29, 2006
- Record updated
- Apr 20, 2008
- Authorized official
- President (title as filed)
9 clinicians CMS lists with Duncan Anesthesia Associates in Duncan
- Derek Freeman, CRNACertified Registered Nurse Anesthetist1679759823
- Steven Hallford, CRNACertified Registered Nurse Anesthetist1932160165
- Bradley MaplesCertified Registered Nurse Anesthetist1891235271
- Ryan Nale, BSN, RN, CCRNCertified Registered Nurse Anesthetist1851069272
- Warren Nix, CRNACertified Registered Nurse Anesthetist1427353143
- Haskell PalmerCertified Registered Nurse Anesthetist1548824790
- Jacob Palmer, CRNACertified Registered Nurse Anesthetist1881244341
- Matthew Roberson, CRNACertified Registered Nurse Anesthetist1093779407
- Landon Sheaman, CRNACertified Registered Nurse Anesthetist1912724519
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Oklahoma secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.