NPPES file of Aug 9, 2026

Jonathan Hassler

Certified Registered Nurse Anesthetist · Germantown, TN

Jonathan Hassler is a certified registered nurse anesthetist with a practice address in Germantown, Tennessee, and NPI 1417360447, issued on Jun 6, 2014. Check the license (Tennessee 18823, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417360447
Name
Jonathan Hassler
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
18823 TN
161308 TN
Self-reported in NPPES; status is on the state search
Practice location
1900 Exeter RD, Germantown, TN 38138
Phone
(901) 818-2160
Enumerated
Jun 6, 2014
Record last updated
Dec 5, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140929001360); 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 3,117 in Tennessee → Look up another NPI →

Also registered at 1900 Exeter RD

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

  1. James Bailey, M.D.Anesthesiology Physician1295700292
  2. Claudia Baker, CRNACertified Registered Nurse Anesthetist1497707970
  3. Scott Bartusch, M.D.Anesthesiology Physician1225003239
  4. Micah Best, CRNACertified Registered Nurse Anesthetist1003255241
  5. Ajit Biswas, M.D.Anesthesiology Physician1669447686
  6. James Boutte, M.D.Anesthesiology Physician1548235591

Verify Jonathan Hassler 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 18823    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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Bills Medicare through one group practice

  1. American Anesthesiology OF Tennessee PCCollierville, TN

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

Jonathan Hassler among 3,117 certified registered nurse anesthetist records in Tennessee

Jonathan Hassler 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 2014, is newer than 61% of them.

  • NPI issued2014 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2014 · median 2012 among the 2,370 with a school on file
  • Record last updated2017 · 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).

69 certified registered nurse anesthetist records list a practice address in Germantown

They are 69 of the 1,692 NPPES records with a practice address in Germantown, and 3,117 certified registered nurse anesthetist records in Tennessee.

All 3,117 in Tennessee → Every provider in Germantown → Certified Registered Nurse Anesthetist nationwide →

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

  1. Dwayne Accardo, CRNA, DNPMemphis, TN 381381821091554
  2. Claudia Baker, CRNAGermantown, TN 381381497707970
  3. Toney Banks, CRNAGermantown, TN 381381205839727
  4. Claire Cepeda, CRNAGermantown, TN 381381770533481
  5. Linda Chitwood, CRNAGermantown, TN 381381992756324
  6. James Hatcher, C.R.N.A.Germantown, TN 381381346234531
  7. Karen Koelemay, CRNAGermantown, TN 381381407807811
  8. Karla Mays, CRNAGermantown, TN 381381952352783

Common questions

What is Jonathan Hassler's NPI number?

Jonathan Hassler's National Provider Identifier (NPI) is 1417360447, issued on Jun 6, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Hassler located?

The NPPES record lists a practice address at 1900 Exeter RD, Germantown, TN, 38138. Phone: (901) 818-2160. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Hassler's license?

NPPES lists Tennessee license number 18823, 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.

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.