NPPES file of Aug 9, 2026

Landon Sheaman, CRNA

Certified Registered Nurse Anesthetist · Duncan, OK

Landon Sheaman, CRNA is a certified registered nurse anesthetist with a practice address in Duncan, Oklahoma, and NPI 1912724519, issued on Sep 24, 2024. Check the license (Oklahoma 220437, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912724519
Name
Landon Sheaman
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
220437 OK
Self-reported in NPPES; status is on the state search
Practice location
2621 N Whisenant Dr, Duncan, OK 73533
Phone
(580) 252-5300
Enumerated
Sep 24, 2024
Record last updated
Sep 24, 2024
Medicare enrollment
Enrolled (PECOS I20241209002148); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 783 in Oklahoma → Look up another NPI →

Also registered at 2621 N Whisenant Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Green, PA-CMedical Physician Assistant1013757541
  2. Rachel LoydRegistered Nurse1003605882
  3. Harmon NewellPhysician Assistant1851175939
  4. Jessica RyansLactation Consultant (Registered Nurse)1578407946

Verify Landon Sheaman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 220437    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oklahoma license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Duncan Anesthesia Associates IncDuncan, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Landon Sheaman among 783 certified registered nurse anesthetist records in Oklahoma

Landon Sheaman, CRNA is one of 783 certified registered nurse anesthetist records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 91% of them.

  • NPI issued2024 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2024 · median 2014 among the 595 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 certified registered nurse anesthetist records list a practice address in Duncan

They are 7 of the 381 NPPES records with a practice address in Duncan, and 783 certified registered nurse anesthetist records in Oklahoma.

All 783 in Oklahoma → Every provider in Duncan → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Homer Cox, CRNADuncan, OK 735331407817075
  2. Andrew Flesher, CRNADuncan, OK 735331922069178
  3. Steven Hallford, CRNADuncan, OK 735331932160165
  4. Jeffrey Hopkins, CRNADuncan, OK 735331467656371
  5. Janice Palovik, CRNADuncan, OK 735331225090277
  6. Matthew Roberson, CRNADuncan, OK 735331093779407
  7. Sheri Bates, CRNAFletcher, OK 735411881088896
  8. Richard Fortune, CRNAGeronimo, OK 735431760475412

Common questions

What is Landon Sheaman, CRNA's NPI number?

Landon Sheaman, CRNA's National Provider Identifier (NPI) is 1912724519, issued on Sep 24, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Landon Sheaman, CRNA located?

The NPPES record lists a practice address at 2621 N Whisenant Dr, Duncan, OK, 73533. Phone: (580) 252-5300. Providers update this record themselves, so call before visiting.

How can I verify Landon Sheaman, CRNA's license?

NPPES lists Oklahoma license number 220437, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.