NPPES file of Aug 9, 2026

Will Ryan Cassell, CRNA

Certified Registered Nurse Anesthetist · Johnson City, TN

Will Ryan Cassell, CRNA is a certified registered nurse anesthetist with a practice address in Johnson City, Tennessee, and NPI 1316317712, issued on Sep 29, 2015. Check the license (Tennessee APN20403, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316317712
Name
Will Ryan Cassell
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
APN20403 TN
Self-reported in NPPES; status is on the state search
Practice location
1009 Lark St, Johnson City, TN 37604
Phone
(423) 283-0776
Enumerated
Sep 29, 2015
Record last updated
Sep 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(423) 283-0549
Medicaid ID
PENDING TN
Medicare enrollment
Enrolled (PECOS I20151209002952); 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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Also registered at 1009 Lark St

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

  1. Lori Christian, CRNACertified Registered Nurse Anesthetist1124063599
  2. Lisa Green, CRNACertified Registered Nurse Anesthetist1003170754
  3. David Kreshek, M.D.Anesthesiology Physician1609875103
  4. Robert Mothershead, CRNACertified Registered Nurse Anesthetist1366436933
  5. Kimberly Pendleton, CRNACertified Registered Nurse Anesthetist1215920376
  6. Diana Riffe, CRNACertified Registered Nurse Anesthetist1528381159

Verify Will Ryan Cassell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license APN20403
    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 Tennessee 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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Industry payments in 2024: $21.60

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Will Cassell$21.60
  2. Specialty average$135.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Paragon Anesthesia PCBristol, TN

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

Will Ryan Cassell among 3,117 certified registered nurse anesthetist records in Tennessee

Will Ryan Cassell, CRNA is one of 3,117 certified registered nurse anesthetist records with a practice address in Tennessee. 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 2015, is newer than 64% of them.

  • NPI issued2015 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2015 · median 2012 among the 2,370 with a school on file
  • Record last updated2015 · 58% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 certified registered nurse anesthetist records list a practice address in Johnson City

They are 86 of the 3,807 NPPES records with a practice address in Johnson City, and 3,117 certified registered nurse anesthetist records in Tennessee.

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

  1. Sheila Beasley, CRNAJohnson City, TN 376041861493793
  2. Jerry Bullard, CRNAJohnson City, TN 376041598765919
  3. Jodi Carlsen, CRNAJohnson City, TN 376041093707986
  4. Patricia Cathelyn, CRNAJohnson City, TN 376041851393805
  5. Larry Cornwell, CRNAJohnson City, TN 376041841292810
  6. Samuel Davenport, CRNAJohnson City, TN 376041083616056
  7. Amy Erickson, CRNAJohnson City, TN 376041528060423
  8. Donna Fowler, CRNAJohnson City, TN 376041144222894

Common questions

What is Will Ryan Cassell, CRNA's NPI number?

Will Ryan Cassell, CRNA's National Provider Identifier (NPI) is 1316317712, issued on Sep 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Will Ryan Cassell, CRNA located?

The NPPES record lists a practice address at 1009 Lark St, Johnson City, TN, 37604. Phone: (423) 283-0776. Providers update this record themselves, so call before visiting.

How can I verify Will Ryan Cassell, CRNA's license?

NPPES lists Tennessee license number APN20403, as entered by the provider. Search the Tennessee 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.

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.